Rear Differential Question
#1
Rear Differential Question
Decided to do a rear differential fluid change during time off and discovered yellow foam and thick thick fluid. Any ideas as to why it how this happened? Also, how does the diff look?
#2
CF Veteran
Join Date: Nov 2011
Location: Edmonton
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Year: 1990
Model: Cherokee
Engine: 4.0
new gear oil has foam inhibitors, once those are gone/used up , the oil foams because of the shear between gears. Foam can also be caused by certain additives.
looks fine, just change it and go!
looks fine, just change it and go!
#7
Herp Derp Jerp
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Year: 1999
Model: Cherokee
Engine: 4.0L OBD-II
Could also be memories of water in there. Brake cleaner, RTV that sucker back on, and check the vent hose and axle seals to see if they're ok.
8.8 sounds like a great replacement for a 27-spline if you've got the fab skills. Try not to hijack threads like that please
8.8 sounds like a great replacement for a 27-spline if you've got the fab skills. Try not to hijack threads like that please
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#8
Seasoned Member
I was just about to say that. My rear end fluid looked like a chocolate milkshake a few weeks ago; ended up having water in the thing. I'd clean it out, seal it up and refill it, and then recheck it in a week or so to see if it looks cranky or not.
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