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Re: What type of Front Diff Fluid?
Posted to Technical Discussion Forum on 6/16/2009 2 Replies

On the Avalanche 1500, it is part time 4WD with 8.25" front axle, you can use either standard GL-5 or the GM synthetic axle lubricant. I choose to use the synthetic axle lubricant on them. What you want to do is up to you.

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