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u joint and diff fluid change, now burnt smell

8K views 5 replies 5 participants last post by  mrcarnage2 
#1 ·
over the 4 day weekend i changed all 3 u joints. PITA btw. they were replaced with the type with the grease certs, which were greased. i also changed the rear diff fluid. i replaced it with royal purple 75w140 and everything feels as though it is running right. though ive read several places that people fill until the fluid runs out of the drain hole. and others fill until they can stick their finger into the fill hole and feel the fluid.

my concern is, i do get a very slight burnt smell when i park. i dont believe it to be anything major. whether it may be some sort of fluid burning off of the exhaust or something.
 
#2 ·
I was thinking fluid on the exhaust also, but the exhaust isn't that close to the fill hole for the rear differential.
 
#3 ·
If you pumped excess grease into the U joints it will sling off onto the exhaust system. Maybe that is what you are smelling.
 
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