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Old 01-24-2003, 00:57   #1 (permalink)
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Help! Annoying clunk after installing superlows from standard lows

Hey all,

I changed rear springs from standard low to super low and now I have this annoying clunking coming from the back end of the car take off and over bumps. This does not happen all the time though. I have moved the exhaust pipes in a heap of different positions (thinkin it was just the pipe hitting body/diff etc) but it still clunks. Any Ideas?

Please help I am going insane!!!
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Old 01-24-2003, 01:24   #2 (permalink)
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Check the lower shock bolts, did you loosen all of the suspension bolt & retighten them with the suspension in the lower position?
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Old 01-24-2003, 01:53   #3 (permalink)
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Read Clunk

Its not ur unijoint hitting the tunnel of the car??...Check if there is a groove above the unijoint in the tunnel of the car.

Just a thought if u havent used shock mates (rubber things that go on the shaft of ur shocks).

Have u used lowered shocks not kept the standard shocks?

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Old 01-24-2003, 02:07   #4 (permalink)
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All bolts have been tightened correctly. Shocks are pedders sports ryders. Not sure if they are shorter than normal. After speaking to King though they said the rear does not require shorter shocks....only front.

What are shock mates Vigilante?

Didn think of uni...will check tomorrow cos its too dark now!!!

Tell me though, if the uni hitting the tunnel how can i fix it at home...take a big hammer to the tunnel?
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Old 01-24-2003, 02:15   #5 (permalink)
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Quote:
Originally posted by hot_eb
All bolts have been tightened correctly. Shocks are pedders sports ryders. Not sure if they are shorter than normal. After speaking to King though they said the rear does not require shorter shocks....only front.

What are shock mates Vigilante?

Didn think of uni...will check tomorrow cos its too dark now!!!

Tell me though, if the uni hitting the tunnel how can i fix it at home...take a big hammer to the tunnel?
The guys at Kings are a bunch of wankers!
Id say your shocks are bottoming out mate. i have superlows in my EL XR8 and with 4 ppl in da car, go over a bump and boy do you feel it. Anytime you lower your car you should really change shocks to suit springs. i didnt do this as i didnt have the money at the time but thats my next purchase!!
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Old 01-24-2003, 02:32   #6 (permalink)
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Read Shocks

Shock mates are pretty much like steering rack boots....consetina looking things that sit on the shaft of your shock to stop bottoming out. If this isnt the problem, check that the spring has located itself in the saddle correctly. Id say it is or you would of noticed that already.

Shorter shocks keep your spring contained when fully expanded.

Best to keep that in mind when buying Superlows, as the other guy has just explained.

This is next on my list of 'To Do's'

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Old 01-24-2003, 02:55   #7 (permalink)
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ViGiLaNtE - what are shock mates worth?
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Old 01-24-2003, 15:05   #8 (permalink)
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Quote:
Originally posted by Thomas

Id say your shocks are bottoming out mate.
Dont think its this as it does it without any load (apart from me in the front) in the car. It also does it when taking off from a flat surface and easing off the cluth relatively slowing to reduce weight distribution to the back.


Quote:

Its not ur unijoint hitting the tunnel of the car??...
Nope, this clunk definately comes from both sides of the car, and not at the same time..ie you can hear individual clunks on the left and right at different times

I did modify the upper spring seat to make it a little shorter height wise. But I am pritty sure its not this as whoever installed the original lows didnt have the spring seat in there anyway, and it was not making this noise.


The clunks do seem to be getting worse.

Its got to be something loose!!!.. I'm gonna check everythings tight again!!!

Any other ideas ppl?

Thanks

Brendan
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Old 01-24-2003, 16:47   #9 (permalink)
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Did you tighten the lower shock mount bolts with the weight of the car on it?? I had the exact same problem as you in my old XF(pretty much the same suspension rear wise) and sure enough it was just the shock bolts.
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Old 01-24-2003, 22:43   #10 (permalink)
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check you fitted the bushes correctly on the top shock mounts, they make a racket when they arent done up right or fitted right.
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