two clunking boxsters
https://cimg4.ibsrv.net/gimg/rennlis...2a5fbb8974.jpg
https://cimg5.ibsrv.net/gimg/rennlis...62f227d474.jpg https://cimg1.ibsrv.net/gimg/rennlis...407e54bfa7.jpg https://cimg4.ibsrv.net/gimg/rennlis...9bc5a08e07.jpg Funny, today one after the other two boxsters came into our shop, both both clunking in the rear! Typical control arm bushing problem. The noise is annoying as can be and makes the car seem like it is falling apart. Have to replace the complete arm, but what a difference it makes. |
Bought a Boxster S from our local indie. The car has a bad rattle from both sides in the rear, right one louder. He swore he couldn't find the source. I said it had to be the trailing arms, he was adamant it couldn't be them. I got a pair of used ones and replaced them. Rattle gone!
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You can't just replace the bushings?
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Originally Posted by Shawn Stanford
(Post 14666942)
You can't just replace the bushings?
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Originally Posted by Shawn Stanford
(Post 14666942)
You can't just replace the bushings?
I like the replaceable Heim joint. |
keep in mind they are also heavy as hell. I considered these but decided it wasn't worth it. Also, can you buy just the replacement parts? In my example, a set of megan racing arms had some kind of odd 11/16s thread in it that didn't match the usual rod ends.
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PorscheTech: Where did you find those arms? Thanks!
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Originally Posted by sequel95
(Post 14673419)
PorscheTech: Where did you find those arms? Thanks!
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Originally Posted by Quadcammer
(Post 14669012)
keep in mind they are also heavy as hell. I considered these but decided it wasn't worth it. Also, can you buy just the replacement parts? In my example, a set of megan racing arms had some kind of odd 11/16s thread in it that didn't match the usual rod ends.
I have messaged them about the replacement heim joints, and will let you know. I have not measured these yet to see if they are odd, or metric, but even if they are and not available , I don't think it will be much trouble to rethread it to a common 3/4 heim joint thread. I have built a few complete tube chasiss race cars and hand built complete suspensions for them, so this is not much of a step. |
I have a2001 986 S. It sounds as if I have the same problem. Under acceleration, if I hit any bump in the road, it sounds as if the rear end of the car just got hit. A very loud clunk. Is this symptomatic of training arms? And is this a solo repair or are there other things I should consider replacing at the same time. Street use only.
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The test whether its the trailing arms is as follows. Drive over the bump while under acceleration and braking. If the clunking goes away or is significantly reduced its the trailing arms. If its the same you have another problem.
The trailing arms are easy to replace with the right tools. Check the socket sizes you will need and get a high quality torque wrench, the right size box/open wrench to hold the other end of the nut/bolt and a good breaker bar. The bolt at the suspension end is under very high torque. You will need to put the rear of car on jack stands and remove the fender liners on both sides. There are DIY guides that you should read before doing it. I am very slow and it takes me about an hour per side to replace the trailing arms. It will be a totally difference car after you have done the job. |
Originally Posted by Anker
(Post 14678709)
The test whether its the trailing arms is as follows. Drive over the bump while under acceleration and braking. If the clunking goes away or is significantly reduced its the trailing arms. If its the same you have another problem.
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This is a typical problem with these cars when they clunk rattle in the rear when hitting bumps. Almost sounds like the top frame is rattling because sounds like it is coming from that area, which is right above the area where the arm rattles
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Does the shifter move when you change throttle settings? Having it clunk louder when accelerating sounds like it could be the motor mount that's shot or possibly a transmission mount.
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no that is probably the engine mount or tans mount
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