PHATV6
v6 tailshaft
Hey so about 3 months ago my car went into holden because the tailshaft and the two drive shafts were stuffed ... (it had 25000 on the clock) ... they fixed it under waranty. i will accept that some of the blame may have been in the way i drove the car.
now my car has 30000 on it, and the same noise is back again and i have been very nice to the car in that time.
My question is given that i have lowered the back on sssl's, would that be causing this recurring problem ... or alternatively is there something else that could be causing this problem
Just be grateful they are fixing it under warranty. Mine was supposedly stuffed and they blamed it on modifications and charged me $1300. Thing is that I have since had the tailshaft inspected and it is fine..... I doubt it has anything to do with the tailshaft. If it is the same one as in the SS then they are good for 500hp. I suspect it might be the donuts or the bolts holding them to the diff or the transmission. They have been known to shear clean through
F O R U M W A R R I O R
SSSLs will cause them to flog out fast due to the increased angles putting high stress on the joints.
Silver Certified.
Did it wear out in the uni joint or in the centre spline? Also is it a manual by any chance?
PHATV6
yes it is a manual ... and i dont know what it wore out ... but they replaced the tail shaft and both cv shafts last time ...
I dont think its got much to do with being lowered. Its very very common for that centre spline behind the centre bearing to wear out and it seems to mainly happen with the manuals. Your best bet for good life it making sure they re-grease it every service. If its already making the noise Id bet that there is stuff all grease on that spline
F O R U M W A R R I O R
Youre wrong. It has a lot to do with being excessively lowered.Originally Posted by monkeys437
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Half way through reading the first line I was able to guess it was a manual despite 99% of VE's on the road being Auto. I'd be pretty confident that if you checked out his original shaft it would have a worn spline and as far as lubrication goes, be as dry as a nuns..... well you know the rest.
Im not saying the lowering wont give him issues (depending on how "excessively" low it is). Uni joints don't like angle and theres no getting away from that and it would definitely add to any wear and vibration issues. I guess the only real way of finding the "main" issue is measuring the angle of the rear section of the tailshaft when the car is static on level ground
booosted
I don't seem to think it has anything to do with being lowered. As with the majority of commodores with IRS, The tailshaft doesn't move with the rear suspension geometry, the diff is fixed to the rear subframe... the drive shafts to the rear wheels will change angle yes. but not the tailshaft.
Power is measured in DECIBEL
F O R U M W A R R I O R
Im talking about the two drive shafts that had to be replaced which are affected by lowering. The noise could well be flogged out drive shafts again.
Silver Certified.
Ricey are you talking about the 2 CV shafts going from the diff to wheels or the tailshaft going from the gearbox to diff? If your talking about the axle shafts then I agree with you on your point about excessive lowering
F O R U M W A R R I O R
CV shafts yes.
Silver Certified.
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