rear end on 99 astro is whining, is it ok to drive 300 mile trip ??

Asked by Aug 30, 2013 at 02:34 PM about the 1999 Chevrolet Astro Cargo Van Extended RWD

Question type: Maintenance & Repair

friend said it's normal wear on ring & pinion

2 Answers

113,615

As long as it is just a small whine it should be alright, the problems are when the wear goes through the hardening on the gears and metal starts getting ground off with just normal driving,

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75

1) Check for leaks. Fix them. 2) Pul the rear diferential cover off to drain fluid. Check for metal/debris. 3) Refil with synthetic gear oil. I also recomend Lucas Synthetic Oil Suplement and STP. The axle on my Astro van has whined since I've has it. The front seal leaked. When I drained it it held les than a quart. I'm told the noise now comes from wear on the gears. The sound has not changed since I aquired the van. God luck, The Ammo Guy 8-) Aim small, mis small.

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