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rear, front, transfer case, and transmission fluids

rear, front, transfer case, and transmission fluids

Postby Rich3 [OP] » Jul 21 2020, 7:03pm

I have a 2013 Sierra Z71--I'd like to change both differential fluids, transmission fluid, and transfer case fluid. Also, assuming I have limited slip and will need the additive, but not sure how I know for sure. Looking for capacities of each and recommendations on fluids. Thanks,
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Re: rear, front, transfer case, and transmission fluids

Postby Z15 » Jul 21 2020, 7:10pm

No limited slip, its a Eaton Locker and they DO NOT use limited slip additives.

75W-90 Synthetic Gear Lube in both axles
Dexron VI ATF in transfer case & transmission

You can lookup capacities here ►2013 GMC TRUCKS SIERRA 1500 PICKUP

fyi
¨ Optional Equipment (G80 Order Code) on all GM two-wheel and four-wheel drive light trucks and sport utilities.

Benefits

¨ Improved traction differentiates the vehicle relative to other rear wheel and four-wheel drive vehicles on the market.

¨ Maintenance free; requires no lube additives.

¨ Enhanced towing and off-road performance.

¨ Patented carbon friction disc technology enhances performance and durability while reducing warranty claims.



Principles of Operation

¨ Wheel speed difference (left to right) in excess of 100 RPM will cause a flyweight mechanism to open and catch a latching bracket.

¨ The stopped flyweight will trigger a self-energizing clutch system, which results in the cam plate ramping against a side gear.

¨ Ramping increases until both axles turn at the same speed (full lock), which prevents further wheel slip.

¨ At speeds above 20MPH, the latching bracket swings away from the governor and prevents lockup from occurring.



Technical Specifications

¨ Automatic locking takes place within a fraction of a second, so smoothly that it is unnoticed by the average driver.

¨ Unlocking occurs automatically, once the need for improved traction is gone, and is unnoticeable to the average driver.

¨ Compatible with anti-lock brake systems.
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