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My '06 GT had the front strut mount thunk since I purchased it. I found the TSB on this site by doing a search (I also found the thread with 96 pages discussing the thunk). Mine sounded exactly like "loose lumber" in the engine bay front passenger side when going over bumps at slow speeds. Well...I changed out the mounts today and its gone.
UPDATE: See below...
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Last edited by Hicompression; 01-27-2009 at 10:54 PM.
I'm looking in to new D SPECS, and will change out the strut mount to the Steedas when I change em', I currently have the same "thunk", front passenger side. Should my suspension mod fix the problem?
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2008 Mustang GT Candy Apple Red
Full 3M Clear Bra & Custom CDC Classic Clear Bra
Airaid Cold Air Intake & SCT X3 Tuned
FRPP Ceramic Shortys, Magnaflow True X Pipe w/ CATs, & Magnaflow 3" CAT Back to Magnapacks
FRPP 3:73
Steeda UDP
I'm not sure the steeda mounts will fix the problem. I think they re-use the rubber ring from the stock strut mount which could be part of the problem.
As far as my issue, when I put the new strut mounts on 7 months ago, it was great! No noise. Apparently something in the "new" ones has now "broken-in" and the noise is back. Very frustrating because to eliminate it, I have to spend $100 at Ford for new strut mounts that will probably wear out in another 7 months. Installation isn't the easiest thing either. I'm going to check my sway-bar end links just to make sure they haven't come loose.
Has anyone tried the 07 GT500 mounts...I ordered a set from mustang unlimited and have not received/installed them yet. They're supposed to be 30% stronger than stock gt mounts.
the "thunk" is from the plastic unsealed bearing that ford uses in the front strut mounts.
i never had the thunk, but was told to buy caster/camber plates that also work as strut mounts because after lowering the stock mounts tend to fail. the rubber ring was reused however everything worked out because the new strut mounts have sealed metal bearings.
i had bought the maximum motorsport plates from american muscle, and they work great! however i also called steeda to ask them about their strut mounts, and they assured me it would end the thunk, but i stayed with the mm ones instead.
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FRPP 4.10s, Pypes midmufflers catback, Pypes O/R X, steeda CAI, BBK 62mm TB, dynotech 3.5'' driveshaft, custom tuned by EXCESSIVE MOTORSPORT, BMR LCAs and relocation brackets, BMR adj UCA, BMR adj panhard bar, BMR radiator support, BMR progressive springs, BMR rear swaybar reloc, Tokico D-Specs, maximum motorsports caster/camber plates, 275/40/17s rears for the track, and much more to come....
Hicompression- The strut mounts on Mustangs Unlimited has the same part number as the TSB redesigned ones. Most likely the same thing.
Yes, but I was going to get mine from Latemodel Restoration Supply. They have two different strut mounts listed. One for the Mustang GT and one for the GT500.
I will probably look into the Maximum Motorsports CC plates even though I'm not lowered.
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New Strut Mounts Fixed my Thunk! (TSB 07-18-2)
The Thunk is Back
