Rear end fluid....how often should it be changed?

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Oct 27, 2007 | 10:03 AM

#21

Greggy

TECH Regular

Joined: Nov 2005

Posts: 457

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From: Boston, MA

torsen gear type....I like torsen better because is lasted longer and the torque put down to both wheels is not reduced with age and wear.

Oct 27, 2007 | 05:47 PM

#22

dependonauto

Teching In

Joined: Oct 2007

Posts: 18

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I do mine every 12-15,000, oil is cheaper than those gears!

Oct 28, 2007 | 10:56 PM

#23

johnnydi

Staging Lane

Joined: Sep 2007

Posts: 50

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Those "powderized metal looking specs" ARE specs of metal. I guess I'll have to add this to my maintenance list like the tranny fluid. I thought it lasted forever. John.

Oct 28, 2007 | 11:16 PM

#24

RoDan

TECH Enthusiast

Joined: Aug 2006

Posts: 542

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From: Memphis, TN

Quote:

Originally Posted by Greggy

My recomendations for a hard driven street car:

auburn/eaton clutch cone type: Dino GL5 fluid w/ LSD additive at 15-25k miles

zexel torsen/detroit true-trac helical gear type: Synthetic GL5 no LSD additive 25-50k miles.

For me I would use the lower of the two intervals because it is easy and I can keep an eye on things like low levels, wear, inspection of parts.

I agree, except with the part about not using LSD additive with the zexel, I tried that and had horrible results. Made lots of noise only on turns, it was bad. Drained out the fluid and put in some royal purple (already has the additive in it) noise went away 100%. From now on, I will add the LSD additive or use a lube that contains it already.

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