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Mystery problems
I was thinking head gasket problems- it is an AFM engine so if they’re fixing the head gasket I might as well go ahead and do the delete. My oil is always clean and I lose very little. I check my coolant every 3 days and what I meant to say was I use about a whole bottle of coolant within 4...- rachealae
- Post #4
- Forum: Engine & Drivetrain
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Mystery problems
Hi! Bought a 2013 Tahoe in 2020 with 58k miles. June 2021 started a ticking noise that we thought could be lifters. Noise goes away when the truck is warmed up, goes faster when I accelerate. Put MMO in and it was quieted down some for 1-2 days and it came back. Then came mysterious coolant...- rachealae
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- Replies: 9
- Forum: Engine & Drivetrain
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2013 Tahoe/Lifters? Manifold? Piston slap?
2013 Tahoe with 5.3. Ticking at cold start and then goes away once it reaches temp….if I rev it goes fast like a card in a bike spoke then disappears. Had Chevrolet tell me it’s possible piston slap but they don’t know unless they take it apart. One mechanic said lifters. One mechanic said...- rachealae
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- Replies: 5
- Forum: Engine & Drivetrain
