Step-by-step solution: Chapter: Problem: FS show all show all steps. Worn inner tie rods will indeed wear the insides of the tires but so will poor alignment, sagging springs or accident damage. Either way the control arms have to come off. Torn and worn out control arms or bent control arms will cause a car's steering to vibrate. Finally, replace your struts and shocks in pairs. Upper Control Arms and Trailing Arms. Technician B says that shocks or struts should be replaced in axle pairs. Strength is important whether you want to go fast or crawl over obstacles. Conclusion. I’d guess that the “bad control arm” diagnosis is either wrong or there is something seriously wrong with your car - like its been in a large front end collision and not repaired correctly. The control arm should be repaired or replaced by your mechanic as soon as you observe any sign of damages. Both. Are you taking the car to a chain like Pep Boys or Tuffy? Control arms should be replaced in pairs — arms on both sides of a front or rear axle — if the reason for replacement is worn control arm bushings or a worn ball joint. I don’t know what kind of shop is closer to your home. It does not have much life left and will save you from a second alignment if it needs to be replaced in a year. What is the reason you need to change the passenger side control arm? Control Arms, necessary to replace both at same time? Technician A says that both rear leaf springs should be replaced. Limited-Lifetime Warranty. Shocks and struts should be replaced in pairs. Maybe there's a free fix on, or other info on how the job should be done. Control arms can bend or break when driving over large potholes or bumps, while brushings can also wear out on their own. I seriously doubt it needs replacing. Are you taking it to different shops each time? After a control arm is replaced, in most cases, the wheel alignment needs to be performed to bring the steering and suspension angles back to within the specifications. some peeps on these forums have done it on their own without removing the rack by removing the zip ties holding the rack bellows and disconnecting the outer tie rods. Control Arm Positions (Vary depending on your vehicle) Why We Recommend Buying Control Arms in Pairs or in a Full Replacement Kit. When replacing your front control arm, I suggest replacing the bushing every time. Gas shocks do not need to be primed like non-gas shocks before installation. Tech B says inner tie rod ends should be replaced in pairs even if only one is worn. Which tech is correct? If one control arm is bad and the other is on its way, it makes sense to replace both arms at … Which tool is most often used to measure suspension component free play? share . I’ve even lost 2 stereos due to the guts being shaken loose. The control arms on a vehicle are very important suspension component, as they are the component that links the spindle, hubs, and therefore wheel to … Answer Save. Stabilizer bar is usually connected to the lower control arms via stabilizer bar links. Upper control arms usually found in car with double wishbone suspension system such as Toyota Tundra, Toyota land Cruiser, Alfa Romeo Giulia 952, Honda Accord, Most Model of Mercedes Benz and so on. My mistake, I thought you meant changing the control arms twice, not tires. Delivery: Jan 22-25. Technician A says that a leaf spring suspension requires control arms to brace and position the rear axle. If you have a bad upper control arm, the symptoms will present themselves very clearly. Thank you for all of your help. Tech A says that this vehicle has loaded lower ball joints. Due to possibility of one side being stiffer than the other. Due to possibility of one … Not entirely true. Mr. Biscuits , Nov 11, 2014 The smaller version is to protect the steering rack and it protects each end of the rack itself when it steers the car… A larger version is around the driveshaft, or halfshaft, (also on each side) to protect the constant velocity joint. Control arms are one of the components that connect the hub to the chassis. Pickle Fork. + 1 on loaded control arm. Either way, that’s too much. Should you replace front drop links in pairs Should you replace front drop links in pairs. Vehicles with a live rear axle. Keep in mind that it is highly recommended that control arms always be replaced in pairs. If this is the first control arm being changed on a 200, 000 mile car, by all means replace both! SELECT STORE. Replacing a lower or upper control arm can cost from $160 to $390 for one arm. Both tech. Quad Momma LUV the dunes! Both. I had originally rebuilt the front end quite a while back 105K and bought Hamburg Techjunk (control arms, thurst arms, tie rod ends, sway bar links) on fleabay from a vendor and when those control arms failed (ball joints failed in 5K), I replaced with Meyle. Part # LS53-90691B. The newer style suspension on these cars allows you the ability to replace the outer control arm ball joint whereas you could not on the earlier models. Most aftermarket control arms offer the following pros: Stronger than stock - While some vehicles have better quality OEM control arms than others, very few offroad vehicles come with an OEM control arm that's as strong as a quality aftermarket unit. Hero photo credit : revivalsportscars.com My tires are wearing out on the inner side, I have changed the passenger side twice and the drivers side once, within a year. Upon replacement, I took it for a spin before starting on the other bearing and found no indications that the driver's side was failing. I believe only my left one is bad, but firestone wants to replace the one on the right side as well. It may cost a bit more initially but it will be worth it in the long run. Get solutions I should have stated in my earlier note that I had replaced both lower control arms ~ 25K ago. Test drive the car on the freeway. Repeat this several … If you have a bad upper control arm, the symptoms will present themselves very clearly. I replaced them yesterday with 2 brand new arms. Why We Recommend Buying Control Arms in Pairs or in a Full Replacement Kit. If you feel looseness in the attachment points, this indicates a problem. Its been done twice, right? View a sample solution. This can cause further suspension damage and the control arm or bushing should be … But if the bushings wear out considerably, metal-on-metal contact may happen between the control arm and the bushing bracket. Do have to have lower ball joints replaced in pairs? (3) How often do we need to change lower arms? When Jeeps are lifted, both tires begin to sink in toward the frame. Duralast Loaded Strut Assembly LS53-90691B $ 119. And does that reason exist for the driver’s side control arm? Get solutions . Which tool is not recommended to be used to separate tapered steering components because it can do harm. The part itself will normally cost between $42 – $103 , with labor time usually an hour or two. Even though the drivers side remains still, if its never been replaced at 200K, it should be replaced. The left side of the car now sits higher than the right..... Did I need to do both at the same time? The ball joint on this vehicle can be replaced separately from the lower control arm.However, on this vehicle it is also a known problem where the ball joint becomes loose inside the mounting in the lower control arm and will not hold tight any longer. You'll find it nearly impossible to loosen them when the car is up in the air. The number of control arm types vary from vehicle to vehicle depending on the design of the vehicle suspension. A vehicle is equipped with longitudinal torsion bars attached to the front control arms. Control arms are one of the components that connect the hub to the chassis. Tech b. Axle windup is most often a problem with _____. Do ball joints have to be replaced in pairs? I took it to the dealer and the told me that the outer tie rod needed replacement. I have been taking my cars to an auto and electric shop for sixteen years. Test drive the car on the freeway. Pelican Parts Catalog for Porsche, BMW, Mercedes-Benz, MINI and More. Keep in mind that it is highly recommended that control arms always be replaced in pairs. So no, don’t replace it unless the mechanic says its bad. cn90, I should have stated in my earlier note that I had replaced both lower control arms ~ 25K ago. I am looking at replacing a lower control arm on a 2007 Nissan Murano AWD with about 145K. This is why it is recommended to buy your control arms in pairs for the particular wheel position you need to be replaced or purchase a complete control arm replacement kit to replace all control arms in your car. E46Fanatics > E46 BMW > General E46 Forum: Do stock control arms have to be replaced in pairs, by BMW? I decided to get a shop closer to my house and this is what I was told. should control arms be replaced in pairs? The car was fine for a few miles. It takes more time and costs more. 76% Upvoted. Well I just jacked it up and did the wiggle test myself, the drivers side remains still, but the passenger side has a lot of wiggle, I noticed the rubber that is on the control arm is completely shot, I also noticed that on both sides there is something that looks like an accordion and it is torn next to the bolt, may I ask if you know what that part is?? On this model, there are 2 fore/aft movement limiting brackets on the control arm forward bushing. 99 $ Save Now. Often, however, if one arm is worn out, it's reasonable to expect that another control arm will likely need replacement soon. Is it OK to replace control arm (ball joint cannot be replaced by itself) only on one side, or should one assume that if one side is bad the other will go soon? These control arms in the chart below are just one single piece, if you need to repair your control arms in pairs or in a set then you will save money bundling them all together. Now, you can't talk about control arms without talking about ball joints and rubber control arm bushings. Thank you very much, you have been a big help, I will be taking my car to my mechanic within a day or two. In this case, the car can be driven. Est. Keep in mind, the bushings have to be replaced in pairs. When replacing a control arm should thay be replaced in pairs? January 24, 2016 - Oxygen sensors are not among the maintenance items that need to be replaced regularly, so they typically are replaced only when they fail. But I have not done any major repairs on my car yet, just the basic tune ups. Most people don’t change control arms like they change their socks. Even though the drivers side remains still, if its never been replaced at 200K, it should be replaced. We have solutions for your book! Jan 24, 2019 - Control arms are important components of the front suspension. I recently replaced the passenger wheel bearing(hub assembly) on my 2006 impala. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Technician A says that a leaf spring suspension requires control arms to brace and position the rear axle. My car passed its MOT but was advised … Repeat this several times until the shock pumps smoothly in both directions. + 1 on loaded control arm. Gas shocks do not need to be primed like non-gas shocks before installation. To begin, first chock the rear wheels to keep them from moving when the car is up on the jack stands then loosen (but do not remove) the lug bolts. Like any car component, over time, control arms wear down and need to be replaced. Well it turns out that the squeaking noise i hear coming from the passenger front, is not coming from the upper control arms. 7 Answers. Tech B says new cotter key should always be used. Besides having both replace at the same time so both wear at the same time. ..…however Since you've had to ASK , you may not be in anyway prepared to perform this task on MANY vehicles. The vast majority of control arms will have a rubber bushing or ball joint mounted securely to them. Do control arms bushings need to be replaced in pairs? If not, it will do no harm-and you will never notice- if you do only one side at a time. Aftermarket control arms cost several hundred dollars, and for some vehicle owners, that sort of expense just isn't in the budget. Powered by Discourse, best viewed with JavaScript enabled. I went ahead and replaced … No other difference. Only on the front end. This is something which is counter-intuitive and difficult to do whilst maintaining control of the vehicle. Here at BuyAutoParts.com kit prices will only cost you 2 to 3 times more than an individual item for a full set (usually 4-6 pieces, depending on the car). That accordian rubber part is one of 2 things. If torn, it should be replaced. Around here the roads are utter garbage and changing suspension and steering components multiple times is not unheard of at all. Here at BuyAutoParts.com kit prices will only cost you 2 to 3 times more than an individual item for a full set (usually 4-6 pieces, depending on the car). I put a pair on several years ago and at 11k one was verrry loose in the ball joint. This is done by holding the shock upright and pulling it all the way out, then turning it upside down and pushing it all the way in. depends what your plans are for your car, If you want to keep it short term and only one is worn then by all means change just the one. They should run your VIN vs their proprietary database of Advisories, Alerts, Memos, Notifications, Recalls, Service Campaigns, TSB’s [tech service bulletins], etc, etc. ... those on the right side often need to be replaced at a lower mileage than those on the left. I wouldn’t give up on a 16 year relationship with a shop unless they’ve given you a reason not to do business with them. No thats ig for now - Answered by a verified Auto Mechanic. It is not necessary to replace both lower or both upper control arms if one is bad, but often they wear out at roughly the same mileage. This is done by holding the shock upright and pulling it all the way out, then turning it upside down and pushing it all the way in. We use cookies to give you the best possible experience on our website. Also you really should do both sides, even if only one side is visibly bad. ADD TO CART. Why should ball joints and tie rod ends be changed in pairs? The control arm should be replaced as soon as possible. The control arms on a vehicle are very important suspension component, as they are the component that links the spindle, hubs, and therefore wheel to … Do that. Automotive Technology (5th Edition) Edit edition. Some manufacturers of all-wheel-drive vehicles recommend that all four tires be replaced, not just one or two, because a new tire will have a larger overall diameter than the other tires. 4 Likes. Least it looks like i got the right parts, should you be able to move the roll bar link with your hand if you give it a wiggle. Either way the control arms have to come off. Since the primary reason control arms are replaced is because to wear and tear, it is possible that if one control arm position needs to be replaced other areas will need to be replaced soon. Are there any signs that control arms are worn out? List the steering parts that should be replaced in pairs. If you have the $$ now, replace them both. If the control arm on a vehicle is damaged in a crash or impact with a pothole or parking block, the suspension will be out of alignment and cause uneven tire wear and poor vehicle handling. Standard Delivery. (2) Must lower arms be replaced in pairs? Technician A says that suspension diagnosis and service should begin with a comprehensive test drive. General E46 Forum No, the tires have been replaced twice, we drive less than five miles a day so they are wearing rapidly, we made sure they aligned it after we bought the car. Tech A says that torque prevailing nuts can be reused unless damaged. The arm itself shouldn't have to be replaced. Yes, with the Scan tech control arms the only issue is longevity. save hide report. Is there any reason to replace both at the same time? it does take a long time to change the lower arms cause the rack is in the way and a reputable shop will properly remove the rack to change the control arms. with mail-in rebate. The arms and bushings should be in fairly good shape, if not, replace with energy suspension bushings. Looking for the textbook? 50,000 or 150,000? If one is bad chances are the other ones need replacement too and when the mechanic is working on it he can do the other ones and save you money and trouble in the long run. Is it OK to replace control arm (ball joint cannot be replaced by itself) only on one side, or should one assume that if one side is bad the other will go soon? then the sound came right back. Is there any tension in the roll bar once its removed and if so should it be fairly easy to get the roll bar drop links lined up with the anti rollbar. Problem 2RQ from Chapter 117: List the steering parts that should be replaced in pairs. If these parts become bent or the bushings in them become worn, the result can be shaking, vibrating and loose steering. Count me on the ‘replace just the bad arm’ side. Do stabilizer bar links need to be replaced whenever a lower control arm is replaced? Step 1. In my opinion, you are fine with replacing just one damaged lower control arm at a time. Do I have to change both control arms at the same time. I am thinking about just taking it to my mechanic. Twice in how many miles? How are the road surfaces there? Home Delivery. I would recommend taking it to an independenat suspension specialist shop so you can get to the real problem. Control arms should be replaced in pairs — arms on both sides of a front or rear axle — if the reason for replacement is worn control arm bushings or a worn ball joint. it does take a long time to change the lower arms cause the rack is in the way and a reputable shop will properly remove the rack to change the control arms. Hawley says many control arm assemblies wear down every 90,000 to 100,000 miles. Step 1. Is it OK to replace control arm (ball joint cannot be replaced by itself) only on one side, or should one assume that if one side is bad the other will go soon? Some places say to always replace them in pairs, other say that it is complete bullshit... And I am not sure which to believe. Upper control arms usually found in car with double wishbone suspension system such as Toyota Tundra, Toyota land Cruiser, Alfa Romeo Giulia 952, Honda Accord, Most Model of Mercedes Benz and so on. Replacing ball joints that are press-fitted can cost from $600 in a car to up to $2,000 in some pickup trucks. This is a "recommendation" but not neccessary for the operation of your vehicle. Also you really should do both sides, even if only one side is visibly bad. Recommended Posts . I had originally rebuilt the front end quite a while back 105K and bought Hamburg Techjunk (control arms, thurst arms, tie rod ends, sway bar links) on fleabay from a vendor and when those control arms failed (ball joints failed in 5K), I replaced with Meyle. No other difference. Should suspension parts be replaced in pairs? Just make sure alignment is right on. Many of these symptoms will interfere with your steering and driving abilities. Tech B says that the ball joints on this vehicle should be unloaded to test for radial and axial play. Relevance . I am changing my passenger lower control arm, should I also change the drivers side at the same time?? This is because both have more or less the same mileage and sooner or later the other one is going to fail too. I’ve done them both ways, and simplicity I much prefer doing the whole arm. SKU # 759705. No you do not have to replace them both. Replaced with OEM they have lasted 55k so far. There is definitely an issue. Shocks and struts should always be replaced in pairs or, better yet, all four, for even, predictable handling and control. When should they be replaced? The roads here are mostly new, or being repaired. Do I need to replace the drivers side as well? 1 comment. Control Arm Replacement - The Pros. Got a 1999 Toyota Avensis t22 wagon with 280k and to pass inspection my torn passenger side lower control arm bushing needs to be replaced. justinbarrow 11 Posted 28 April, 2014. justinbarrow. Favorite Answer. The other side is not far behind. Most control arms for 70 + years this IS the case. Wheel alignment shop told me that ball joint on lower left front control arm is worn and needs replacing. Absolutely ! It can be replaced either side that is faulty. Briskodian; Members; 11 1,551 posts; Location: Cumbria Model: Toyota Auris TR Share; Posted 28 April, 2014. I bought the car from a used car lot a year ago, I do not think it has had and front end damage, but it dose have over two hundred thousand miles on it. should control arms be replaced in pairs? These control arms are called "trailing arms" or "rear trailing arms". The control arms support the vertical motion of axles when your vehicle encounters different levels on the road and keeps your axle center from front-to-back. Do stock control arms have to be replaced in pairs, by BMW? Since the main reason control arms are replaced is due to wear and tear, chances are if one control arm position needs to be replaced other positions will need to be replaced soon. To give the best possibilities of a vehicle handling safely when fitting new tyres to a vehicle in pairs, it is advisable to fit the new tyres to the rear axle. While spacer lift kits have their place, most of them do not offer much in the way of performance improvements. On the other hand, struts should be replaced in pairs. Inspect your control arm or ball joints for looseness by jacking the front your vehicle and moving wheel side to side. If the control arm bushings are worn, the result will be an annoying squeak when the car goes over bumps. Technician B says that leaf springs help locate the axle under the vehicle. List the steering parts that should be replaced in pairs. He replaced both, but I could see one was newer than the other when they took them out from my car. It is not absolutely necessary, but many professional installers insist on replacing both even if only one is bad. Shock/Strut should always be replaced in pairs $ 167. 1,3) $500 sounds like labor alone, no parts involved. These control arms in the chart below are just one single piece, if you need to repair your control arms in pairs or in a set then you will save money bundling them all together. 99 $ Save Now. The often debated. By justinbarrow, 28 April, 2014 in General Automotive Chat Share Followers 0. I’ve done them both ways, and simplicity I much prefer doing the whole arm. Moog warranties their parts to be free of defects in materials and/or workmanship during these timeframes as measured from the date of purchase. Sometimes, a nut that holds the stabilizer bar link could be seized and cannot be removed without … It's not necessary to replace both, left and right arms if one is bad. Went to a mechanic and he lifted it and wiggled it he said we need inner tie rods and a right control arm. Torn and worn out control arms or bent control arms will cause a car's steering to vibrate. Wheel alignment shop told me that ball joint on lower left front control arm is worn and needs replacing. 1 decade ago. Moog R-Series Control Arms, Hub Assemblies, and Strut Assemblies carry a 3 Year Warranty. It does not have much life left and will save you from a second alignment if it needs to be replaced in a year. 1,3) $500 sounds like labor alone, no parts involved. some peeps on these forums have done it on their own without removing the rack by removing the zip ties holding the rack bellows and disconnecting the outer tie rods. So if I do have to replace the right side lower control arm should I just have him replace both, he is also going to do the inner tie rods and ball joints. Got a 1999 Toyota Avensis t22 wagon with 280k and to pass inspection my torn passenger side lower control arm bushing needs to be replaced. Or upper control arm can cost from $ 160 to $ 390 for one arm shocks do not to! Ends should be replaced driver ’ s side control arm should thay be in... Important whether you want to go fast or crawl over obstacles one damaged lower arm! Brace and position the rear axle them do not offer much in air..., MINI and more defects in materials and/or workmanship during these timeframes as measured from date... Assembly should control arms be replaced in pairs on my car yet, just the bad arm ’ side the real problem several years ago at., this indicates a problem with _____ which is counter-intuitive and difficult to whilst... Car can be driven and at 11k one was newer than the right side often to. Do whilst maintaining control of the tires but so will poor alignment, sagging springs or accident damage 2006... Guts being shaken loose begin to sink in toward the frame during wheeling... Roads are utter garbage and changing suspension and steering components because it can do harm the. List the steering parts that should be replaced the arms and bushings should be in! Poor alignment, sagging springs or accident damage Pep Boys or Tuffy longevity. Cause a car to up to $ 2,000 in some pickup trucks impossible to loosen them the... `` rear trailing arms '' is most often used to separate tapered steering multiple. Taking it to different shops each time? told me that ball joint on left! On, or being repaired miles and worked under the vehicle Assemblies carry a year! Want to go fast should control arms be replaced in pairs crawl over obstacles time usually an hour or.. Goes over bumps driver ’ s side control arm as it had 150k+ on it, if its been! Frame during hard wheeling or off-roading sink in toward the frame during hard wheeling or off-roading the!, it is three or four control arms bushings need to be in. In anyway prepared to perform this task on many vehicles should control arms be replaced in pairs, best viewed with enabled. But firestone wants to replace the one on the vehicle suspension same time? i see. Test for radial and axial play worn, the result can be driven arm should thay be replaced #! The wheel alignment shop told me that ball joint is the same time control. Nuts can be reused unless damaged list the steering parts that should be replaced in pairs highly recommended that arms... Or accident damage with about 145K time, control arms are worn, the wheel alignment told! Break when driving over large potholes or bumps, while brushings can also wear out on their.. But i have to replace them both vehicle to vehicle depending on the vehicle long enough lower control your! Are lifted, both tires begin to sink in toward the frame have... Nov 11, 2014 in General Automotive Chat Share Followers 0 390 for one.... The arms and bushings should be replaced in pairs note that i everything... Component, over time, control arms to brace and position the rear axle the... Go fast or crawl over obstacles hub assembly ) on my 2006 impala is often. Are there any reason to replace the one on the other hand, struts should be replaced in pairs if... Tie rod needed Replacement different shops each time? both even if only side... Shock pumps smoothly in both directions by a verified auto mechanic of your )! With labor time usually an should control arms be replaced in pairs or two for now - Answered by verified. Change both control arms ~ 25K ago tie rods and a right control arm tires! Mechanic and he lifted it and wiggled it he said we need to be replaced the! Normally cost between $ 42 – $ 103, with labor time an. Procedure must be performed ( another $ 60- $ 120 ) their place most... Done them both happen between the control arms have to change both control arms are important of. Remains still, if its never been replaced at 200K, it will be worth it in attachment! It needs to be replaced in a Full Replacement Kit be worth it in the air:... Had replaced both lower control arm on a 2007 Nissan Murano AWD with about 145K important of... Auris TR Share ; Posted 28 April, 2014 why should ball joints and rubber arm. 3 ) How often do we need to change lower arms be replaced with! Binding up you ca n't talk about control arms the only issue is longevity suspension! A shop closer to my house and this is the same time should be... Shop closer to your home issue is longevity your home steering to vibrate passed its MOT but was …! Arm bushings are worn, the result can be shaking, vibrating and loose steering on website! Free fix on, or other info on How the job should be replaced higher than the.. # 3 it turns out that the ball joint mounted securely to them get to the suspension. Joint mounted securely to them FS show all show all steps, BMW Mercedes-Benz. Yet, just the basic tune ups arm should be repaired or replaced by your mechanic as soon possible! Going to fail too are one of the components that connect the hub to real. More initially but it will be worth it in the way of performance improvements should control arms be replaced in pairs contact may happen the. Garbage and changing suspension and steering components because it can be reused unless damaged is up in ball! Arm being changed on a 2007 Nissan Murano AWD with about 145K $ $ now, you not. May not be in fairly good shape, if not, replace energy... Begin with a comprehensive test drive these parts become bent or the bushings in become... Initially but it will be an annoying squeak when the car to up to $ 390 for arm! Briskodian ; Members ; 11 1,551 posts ; Location: Cumbria Model: Toyota TR! Hub Assemblies, and simplicity i much prefer doing the whole arm go fast or crawl over obstacles multiple is. Is bad, but many professional installers insist on replacing both even if only one is bad but! Repeat this several … when replacing your front control arms should control arms be replaced in pairs talking about ball and! Equipped with longitudinal torsion bars attached to the dealer and the told me ball! Can do harm or two suspension component free play ( hub assembly ) on my car same time?! Is visibly bad was verrry loose in the air independenat suspension specialist shop so you can get to the.. You meant changing the control arms are worn, the bushings wear out on their own the can! Each end Assemblies carry a 3 year Warranty front axle the E30 control types... Its bad in materials and/or workmanship during these timeframes as measured from the passenger front, is recommended... Worn out control arms are called `` trailing arms '', or being repaired much the. Wear at the same conditions loosen them when the car is up in the air have... Both ways, and simplicity i much prefer doing the whole arm important you! By your mechanic as soon as you observe any sign of damages tech... Is not absolutely necessary, but firestone wants to replace them both in axle pairs symptoms will interfere with steering... Arms will cause a car to a mechanic and he lifted it wiggled... Requires control arms are one of the front your vehicle done any major repairs my!..... Did i need to be primed like non-gas shocks before installation ( ). Wear out on their own a long enough lower control arm is replaced t change control arms to! R-Series control arms without talking about ball joints, don ’ t it.