Help With Eliminating Sound

[ghost rolla]

Hi, have ke20 all stock , and i have a noise coming from the rear of the car when driving. Initially thought it was either coming from the dif or wheel bearing. Today i was cruising along down a very slight hill. i played around putting the car in 4th and driving for a bit listen to the sound and then i would put it into neutral and roll for a bit. the sound was exactly the same when i was driving and when i was rolling. In my head it makes me think that the sound is more likely a wheel bearing. because if it was the dif, the sound would b different between rolling a driving.

Am i correct in thinking that??? Or is there another explanation??

[altezzaclub]

You are dead right.

 

Althogh more than that, the pinion would be driving the crownwheel if the road was flat and you were cruising or accelerating. However the crownwheel is driving the pinion under deceleration, so you get different sounds between accelerating and decelerating, usually very noticeable.

 

have a diff place go for a drive with you and ask some hard questions.. inner or outer bearings, (probably outers)diff bearings OK, how much, will they align pinion teeth as well... then go and buy another diff! I asked the local wrecker how much for a Pintara diff as mine whines and he said he wouldn't bother to sell me one, they all whine! Having mine rebuilt will cost more than the car is worth too.

[ghost rolla]

oh sweet! thanks for that extra info! def the same sound when accelerating and decelerating! so looks like i mite not need new def right now.

also good to no that a dif place will go for a drive with you first, thought they mite not be able to tell untill they rip it appart and charge you for it before they can tell you whats wrong!

Thanks!