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Differential Rebuild Cost

Vortec-Z71

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Vortec-Z71 Enthusiast

Vortec-Z71

Posted
Posted

I was talking to my cousin and his differential has been whining on his 05 2500HD with the 10.5" rear axle. He brought it to a local shop and they quoted a little over $2,000 for a full rebuild. I thought that sounded pretty high and my mechanic is out on vacation this whole week so I can't get his opinion. I'm pretty mechanically inclined myself but have never done a differential rebuild before and am not going attempt it for the first time on a daily driver.

 

The other option he is considering is to get a low mileage rear axle assembly for $500-600 from a local salvage yard. It would come with a 6 month warranty. Just wanted to hear you guys' thoughts on what may be the better route to go and what a reasonable price to pay for a differential rebuild would be.

dewfpo Senior Enthusiast

dewfpo

Posted
Posted

I would suggest changing the fluid and leaving it alone. I have a whining rear differential (since new) in a Toyota truck and I changed the gear lube to synthetic and have ignored it. It now has 109,000 miles and it's not any louder and there's no leaks so I'm going to ignore it. Unless it's leaking or broken, save yourself the time and money and, if you can, ignore it.

 

DEWFPO

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