Quote:
Originally Posted by ChaseTruck
Predictably, my response would be to get a transmission cooler, and, being a Chevy guy, my recommendation would be to get the biggest one that fits. It's difficult to 'overcool' an Auto tranny in central AZ. Sand/High range 4WD can kill a tranny with heat, you might be better off running in low range in the t'case, and using a higher gear...
As for chasing leaks: Power-wash the undercarriage to get all the gunk/dirt/unkown hydrocarbon products etc. off and start with a clean slate; proceed to let dry. The dust all suspected areas in baby powder (aka cornstarch) - this should help to identify the source of any new leaks.
If the axle gets to spew gear oil thru the breather, it's either way overfilled, or it got seriously hot. In the latter case, it might be good to take a look.... Next time you're out there 'wheeling, get somebody to go and lay a hand on the differential and the pinion snout. If they burn there hands, you know there's something wrong...
Re gear oil - several philosophies: 1 - use cheap 90w, replace it often; 2 - use spendy Amsoil/Redline/Royal Purple/Lucas HD gear oil and keep it, provided you've got good seals and the breather relocated up high to keep water out of the axle.
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another thing that might be worth looking at is whether the breather cap thing was gunked up, they are just a little spring loaded deal IIRC, and if it was stuck and then built up enough pressure under normal use to pop and dislodge the blockage, it would give a quick spurt (
) and make a mess like that.
might be worth popping it off and cleaning it up, make sure everything is clear.