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Posted

All,
 

Just wanted to see if anyone else had this issue on a newer LZ0 diesel engine... Just passed 2.5k miles and when I came home from work, I found a nice oil streak coming up my driveway. Looking under the engine/trans, I could see the inspection cover leaking a good bit of oil. I think it might be the rear main seal or cover, but the dealer is having it towed in tomorrow to take a look. Super frustrating, especially since I have to take time off work to get this taken care of.

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  • 1 month later...
Posted

Just had my 2024 Sierra SLT LZ0 in the shop for oil leak, dealer diagnosed it as an oil pan leak, 2200 miles. Took a week for them to remove and replace oil pan, so far I haven't seen any leaking oil.

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