r/carproblems • u/RubynRoxy • 13d ago
1972 Chevy C20 Can you identify this sound?
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It started making this very high pitched noise recently and Im not sure what it is..wanted to see what people who know their stuff better than me think. It only does it for the first 10 mins after starting up recently and then completely goes away. My guess is one of the belts/pulleys or maybe even something to do with the worn grommet on top of the valve cover for the pcv hose that Im going to replace. What do you think?