Suspension squeaking sound.

5131 Views 5 Replies 5 Participants Last post by Br75TS, Aug 12, 2011

Pedro Borges

Discussion Starter · Aug 6, 2011

Hi, This is my first post.

I have been following this foruns for quite a long time and am the proud owner of 2 Alfas. One 156 SportsWagon and my favorite of all times, 75 2.0 TS of 91, that I own for about 2 years.

The first one I just use it to go shoping for parts and carry stuff for the 75. (just kidding)...

The 75 as a small problem developing. In the last days it starts to make a squeaking sound in the right front suspension, and its getting worse.

I dont know where it comes from and tryed to eliminate it by spraying wd40 on rubber joints, ball joints, bushes etc.. from the sway bar to the tie rod and torsion bar... everything got wd40, then got washed with water and dryed... later on i sprayed again, and the noise just wont come out for even a second so I can identified where it comes from...

Would like some feedback on your experiences and a method to eleminate possible damaged bushings, balls, etc.. would be great.

I also think that the car is about 1 or 2 cm lower on the right side that is on the left, but that could be my mind playing with me....

Thanks to all,

Pedro

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desmo veloce

· #2 · Aug 6, 2011

If you have nitrogen charged dampers (Bilstein, KYB, etc.) you might have a failed right front. That would explain the slight difference in ride height and the noise. Check for leakage from the damper. Other than that, you can try having a friend bounce the car while you listen. Good luck.

~Chris

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Pedro Borges

Discussion Starter · #3 · Aug 6, 2011

desmo veloce said:
you can try having a friend bounce the car while you listen.
~Chris

Hi, thanks for your reply.

I actually cant listen to anything else other than the squeaking sound in the front left suspension... that is the major problem right now...

But thanks for the advice on the damper, will try to check it...

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sfalfa

· #4 · Aug 7, 2011

A-Arm bushings bad? Mine are squeaking really bad, had them greased up which helped a little, but it's on the list of stuff to replace.

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fraz

· #5 · Aug 8, 2011

Pedro Borges said:
I dont know where it comes from and tryed to eliminate it by spraying wd40 on rubber joints, ball joints, bushes etc.. from the sway bar to the tie rod and torsion bar... everything got wd40, then got washed with water and dryed... later on i sprayed again, and the noise just wont come out for even a second so I can identified where it comes from...

Without seeing/hearing I would guess upper or lower control arm bushings. Could be a bad ball joint but a lot of times by the time they go bad, the have a pronounced click/clunk instead of a squeak. I have replaced all of my suspension components and 1/4 of the ball joints had a deeper creek sound but still more of a click than a squeak. Rubber (and bad worn rubber) squeak a lot. Control arm bushings are the suspect. You can try to inject some grease in the middle of them if you can and see if it changes.

As for the WD40, it is not really a lubricant. And as for washing it off with water, that is exactly the opposite of what it was designed for. The WD stands for "water displacer" and it is the 40th try at the formula till they got it right. Feel free to look it up. If you ever had a wet and arcing distributor, it is ideal for drying that and getting back on the road

It is a pretty good penetrating oil for breaking rust and fasteners loose but again, not quite the same properties as a lubricant.

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Br75TS

· #6 · Aug 12, 2011

I had a squicking problem from the fron suspenssion that was limited to the turnning of the steering. Was tracced to the wear of the steering pivots on the upper and lower arms of the susspenssion. If your squick is up=down mothion related, it may also come from teh same source, bat also a magnitude of pivots and bushings around and wd40 is not a solution.

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