Transfer case fluid?

[dpg481]

I'm trying to figure out what fluid to put in my transfer case. The truck is a 07 GMC 2500, old body style. I looked in the manual and it just gives a GM part #. I went to Oreilys and was told their computer didn't tell them what I needed and no one there knew. Any help would be helpfull as I am going to change all fluids this weekend. Thanks.

[txcntryboy]

Dexron III

I think!!

[93racer]

Some of those took a fluid they call auto trac. Is it blue color fluid?

[Sackett]

Only Dexron-III if its manual shift 4wd. If its elwctronic, go get the fluid from your dealer. With that new of a truck and the minimal times you'd need to change the t-case fluid, its worth paying the extra $ to get the manufacturer suggested fluid.

[2050z]

Dextron VI is one you need.

[TexMax]

[TexMax]

Only Dexron-III if its manual shift 4wd. If its elwctronic, go get the fluid from your dealer. With that new of a truck and the minimal times you'd need to change the t-case fluid, its worth paying the extra $ to get the manufacturer suggested fluid.

Both t-cases on the 01-07 hd's, whether floor shift or push button, are manual.

[Keith]

You do not want to ruin it by putting the wrong fluid in it. If you aren't 100% sure it's the right fluid, buy it from the Chevy dealer.

Sent from my Samsung Galaxy S2 Skyrocket on AT&T

[dpg481]

Well it looks like im off to the chevy house this morning.

[TexMax]

Some of those took a fluid they call auto trac. Is it blue color fluid?

This is only for the 246 case, not available in this platform, only the lighter duty trucks.

[txcntryboy]

Both t-cases on the 01-07 hd's, whether floor shift or push button, are manual.

This is what I was thinkin too. You only need the blue dealership stuff if it has the Auto option on the push buttons...Never seen an HD that had one.

[TexMax]

This is what I was thinkin too. You only need the blue dealership stuff if it has the Auto option on the push buttons...Never seen an HD that had one.

Yep, autotrac only. They don't

[Shiner]

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2007 GMC Truck Sierra 2500 4WD V8-6.0L
Vehicle Level Transmission and Drivetrain Transfer Case Fluid - Transfer Case Specifications Fluid Type Specifications


Fluid Type Specifications


Transfer Case Fluid DEXRON VI










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[txcntryboy]

Ahhhh hell, Put some Rotella in it, That stuff is good for EVERYTHING lol.

[Gummi Bear]

Post up the part #. Someone here can cross reference it.

Some take ATF, others take gear oil.