2.7 Grand Cherokee diff Whine
2.7 Grand Cherokee diff Whine
Hi out their,i have a 2.7 crd 2004 grand Cherokee with a front diff whine when accelerating but worse when decelerating ..Bearings all good [checked] tolerances all good,drive shaft all good oils all good and been replaced ..any ideas would be great ...
Re: 2.7 Grand Cherokee diff Whine
PS..Also still whines when everything in neutral ..
Re: 2.7 Grand Cherokee diff Whine
transfer case front output bearing?? throwing ideas out for ya
Pedro
Pedro
Re: 2.7 Grand Cherokee diff Whine
Thanks Pedro..will check ..any ideas appreciated
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Re: 2.7 Grand Cherokee diff Whine
i take by neutral your coasting? if stationary it will be input or layshaft in gearbox or engine ancillary.
Waiter...there is a drought in my glass.
Re: 2.7 Grand Cherokee diff Whine
Coasting.. have tried with gearbox and transfer box in neutral.. but when driving is definitely noisier decelerating.. coming from front.. Does sound like diff.. giving symptoms of bearing or not set up right BUT have checked all is he as
Re: 2.7 Grand Cherokee diff Whine
That's good as
Re: 2.7 Grand Cherokee diff Whine
Like to bump this post.. Cheers
Re: 2.7 Grand Cherokee diff Whine
in your first post did you mean you pulled the diff head out and checked and inspected all the bearings, preloads, backlash and meshing
Re: 2.7 Grand Cherokee diff Whine
Not positive it's what's wrong with your jeep but...
Mate had similar problem on his truck changed all the bearings etc,still did it.
Pulled it out again and took to a diff crowd and they said all the hardening had come off pinion and ring gears
It happened from shit getting into diff and turning oil into grinding paste
Mate had similar problem on his truck changed all the bearings etc,still did it.
Pulled it out again and took to a diff crowd and they said all the hardening had come off pinion and ring gears
It happened from shit getting into diff and turning oil into grinding paste
Re: 2.7 Grand Cherokee diff Whine
Interesting.. Don't think so though.. Nothing in oil and the oil all nice and clean..
Re: 2.7 Grand Cherokee diff Whine
Lchundy wrote:Not positive it's what's wrong with your jeep but...
Mate had similar problem on his truck changed all the bearings etc,still did it.
Pulled it out again and took to a diff crowd and they said all the hardening had come off pinion and ring gears
It happened from shit getting into diff and turning oil into grinding paste
Il second this, apparently more common than you'd think. Surfaces look fine at a glance
Re: 2.7 Grand Cherokee diff Whine
Thanks a heap you could be right..talking to Sav today he's the Jeep whizz in Nelson and he sort of said the same thing.. But he said just drive and get a louder radio haha
Re: 2.7 Grand Cherokee diff Whine
there must be ton's of aftermarket C&P's for those things in the states just wait till the NZ dollar comes back up and do an upgrade on the old eep it sounds like the factory C&P's have a known hardening problem if its that common
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