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Old 12-28-2019, 09:41 PM   #10
Chris357
 
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Drives: 2018 ZL1 Garnet Red A10
Join Date: Mar 2015
Location: Nashville, Tennessee
Posts: 151
Quote:
Originally Posted by goatjacket View Post
Purchased my car with 3,400 miles last week and had no verification that Diff was changed out around 1,500 as so many suggest. Figured it was worth the $50 bucks in fluid to check it out. Sure enough, that stuff was nasty. You can see the smear I pulled off sitting to the left of the plug. Am I correct this is probably the initial fluid change? Not sure how quick this stuff turns dark. The gunk on the drain plug was pretty thick sludge. I was also surprised no fluid came out of the fill port, perhaps it wasn't topped off as much as people say. Regardless I used some extra to flush it out and nice fresh fluid in and I feel more confident in my own maintenance history going forward. Thanks to the previous posts on this subject. Really is useful for DIY.
Looks exactly like mine did in almost exact same situation. Purchased with 3400 miles assumed diff had never been changed.
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2018 ZL1 Red Hot A10 (SOLD 1/21)
2001 Corvette Z06 Quicksilver Heads/Cam/Longtubes 443rwhp (SOLD 5/23)
2018 ZL1 Garnet Red A10 (SOLD 4/25)
2003 Corvette Z06 Torch Red bone stock 60k mi
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