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Fluids Change ?

DareDog

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DareDog Enthusiast

DareDog

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good lord, what a difference

it's been 12 years in NY, salt all its life.
sdeeter19555 Senior Enthusiast

sdeeter19555

Posted
Posted

it's been 12 years in NY, salt all its life.

I think I would have shot it, put it out of its misery, and bought a replacement...

 

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GhostWriter Enthusiast

GhostWriter

Posted
Posted

I have run synthetic in my front and rear differentials for decades in numerous GM trucks and cars and NEVER had any leaks. Lots of misinformation about synthetics and they get blamed for poor gaskets and shoddy workmanship.

 

Big believer in synthetics, which is why I was confused by what I thought I read.

GhostWriter Enthusiast

GhostWriter

Posted
Posted

Replace seal...

 

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Seal replaced twice, by dealer.

 

Nothing obvious wrong with the inner axle shaft. Maybe the bearing? Truck is in dry dock for other issues. May drop the whole assembly for a look-see.

sdeeter19555 Senior Enthusiast

sdeeter19555

Posted
Posted

 

Seal replaced twice, by dealer.

 

Nothing obvious wrong with the inner axle shaft. Maybe the bearing? Truck is in dry dock for other issues. May drop the whole assembly for a look-see.

Assume you checked the vent for function?

 

I chased a pinion seal leak for a while, it was the wear surface on the pinion yoke itself that the seal rode on. Took three dealer trips, and finally a run to a driveshaft/differential specialty shop and they found the pinion yoke was bad.

 

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GhostWriter Enthusiast

GhostWriter

Posted
Posted

Assume you checked the vent for function?

 

I chased a pinion seal leak for a while, it was the wear surface on the pinion yoke itself that the seal rode on. Took three dealer trips, and finally a run to a driveshaft/differential specialty shop and they found the pinion yoke was bad.

 

Sent from my SAMSUNG-SM-G900A using Tapatalk

 

Didn't think to check vent. .

 

Also, the specialty shop idea sounds like a good one. Thanks!

sdeeter19555 Senior Enthusiast

sdeeter19555

Posted
Posted

who makes a good transfer case seal?

Either a GM replacement or National...those would be my choices.

 

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