Thread: Rear upper strut mount

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  1. #1 Rear upper strut mount 
    SE Level Member Ryan D.'s Avatar
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    Picked up an 05 GXP a few weeks ago, can definately hear a clunk when turning or going over bumps in the rear passenger side. I'm guessing its the mount, haven't really had time to look at it a ton. What's the easiest way to go about replacing it? Jack car up, compress spring and just unbolt it?
    05 Grand Prix GXP
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  2. #2 Re: Rear upper strut mount 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    You have to jack up the car, unbolt the 3 bolts on the top of the strut then undo the lower strut bolts. From there the strut should come out. You can go to harbor freight and get some cheap mcphearson style spring compressors to compress your springs, then undo the top bolt in the center of the strut mount.

    An impact wrench really helps on the lower strut bolts and the top center bolt as well as some PB blaster.
    Quote Originally Posted by W-Body Store
    Remember, GM engineers didn't take into account your need for speed.
    Daily Driver: 06 Grand Prix GT / 9.4:1 CR / IS3 Heads / Ported Gen V / ZZP Headers / HPT Pro / Pulleys: 4.25, 3.8, 3.5, 3.4, 3.2, 3.0, 2.9, 2.7
    Projects: 86 Monte Carlo SS / 98 Sonoma / 74 Honda CB750
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  3. #3 Re: Rear upper strut mount 
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    Jack car up, remove wheel, unbolt strut assembly. Compress spring, remove top bolt, remove strut mount, replace mount, put top bolt back on, reinstall assembly, put wheel back on.
    2001 Pontiac Grand Prix GT : Stock and slow and SOLD.
    2001 Pontiac Grand Prix GTP Special Edition
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  4. #4 Re: Rear upper strut mount 
    DUI BABY Bio248's Avatar
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    most likely culprit is a broken sway bar end link, not the upper strut mount.
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  5. #5 Re: Rear upper strut mount 
    SE Level Member Ryan D.'s Avatar
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    Quote Originally Posted by Bio248 View Post
    most likely culprit is a broken sway bar end link, not the upper strut mount.
    Well, I can hear it on that side when I compress the suspension by pushing on the trunk. I can only hear it inside the trunk/car as well, and just on the passenger side...which lead me to assume its the mount. I'll be sure to check the sway bar out too, what should I look for there?
    05 Grand Prix GXP
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  6. #6 Re: Rear upper strut mount 
    I AM PEWPIN! rynoman03's Avatar
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    A cracked\broken sway bar on the end link mounting area.
    1999 GTPHP Tuned, Ported SC/TB, 42#'s, SSAC's, ZZP Modded 1.9's/LS6 Springs/Manley's, TransGo Shift Kit, Poly Uppers, KYB GR2's/Springtech's. - 231k and traded it in. - Gone
    2000 GTP: XP, P&P'd Heads, N*\Lq4 MAF, GenV, 42#'s, PRJ Rails\FPR, Racetronix, TEP w/ 3.29 Gears, 300m, 7/8" chain, SSAC's. - Collecting dust in my garage.
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  7. #7 Re: Rear upper strut mount 
    GT Level Member RyanL's Avatar
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    grab the bottom of the sway bar link and push it up n down to see if there is play in it! but sounds most likley like a sway bar link.
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