New Member.....with an issue

[NJCobra96]

Hello All,

New to the site, but not to SVT's. Took my '96 to the local SVT expert for a rear service, which included a new pinion seal last week. Upon picking it up and driving it, I noticed at starts or low speeds when I engage the clutch, I hear a pronounced thunking sound coming from I believe the front of the car. I have had this Cobra for 14 months, putting 5,000 miles on it. I have never heard this sound until this service....and I have a very good ear for abnormal sounds.....your thoughts are appreciated. It is going back tomorrow....just wanted some input before I go.....thanks!

 

[NJCobra96]

Update.....went back to the garage about 2 weeks ago...they claim there is no problem....it was a "stuck" e brake....huh? At an Easter gathering yesterday, talked to my Sister in Law's Boyfriend, who is a ASE Mechanic and works on diffs...asked him to take a ride...put up the windows and at 45-50 MPH the whine in the rear started..then upon pulling into the garage, he heard the thunking sound I mentioned above... he said they over tightened the pinion nut which damaged the crush sleeve, putting the pinion too far back, thus making a new wear pattern in the ring...that's where the whine is coming from....the thunking is too much play in the assembly now....he said it is only a matter of time before it fails...and problem is much worse.....WTF......going back again today for round 3....

 

[brucesvt]

Hope you get this issue fixed


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[NJCobra96]

Thank you brucesvt.....it is at a service center of a friend of mine...he is wondering if the crush collar was replaced with the pinion seal.....I will find out tomorrow my next move...

 

[EarvGotti]

time to upgrade!!

 

[NJCobra96]

Your thoughts EarvGotti??

 

[MG0h3]

I've never seen a crush sleeve take anything less than a huge breaker bar to crush. An impact won't do it. I've ton quite a few pinion seals and never replaced a crush sleeve. I'd be more inclined to think they left it loose.


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[NJCobra96]

Update......Car is back to normal.....drives like new! No Whine or clutch clunking....smooth and quiet! Pinion Nut was so overtightened, it took 2 men to rotate the driveshaft by hand in neutral....pinion bearing and carrier bearings were damaged...that's where the whine was coming from.....I was lied to and deceived by Kaspers Korner, a place I trusted for 15 years....that could have ended up bad on an interstate at 70 MPH....glad I stayed with my gut and pursued it with another mechanic.

 

[PaxtonShelby]

Glad to hear it worked out and you're safely cruising again.

 

[brucesvt]

Glad it got fixed correctly


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[MG0h3]

Damn! That means thats what they did putting the nut back on....or used a 1" impact maybe.

 

[NJCobra96]

Thanks everyone!

 

[EarvGotti]

Glad it's fixed!