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99 suburban valve mystery
I bought a 99 suburban 100.000 mikes. Took it home drove it 2 days ran wonderful quiet and all. Got up day 3 started it missing and valve train rattling. Thinkin lifter went flat or something. No codes.
Pulled valve cover and most exhaust valve rockers way loose.
Never had this before loose almost an .125 inch of clearance when lobe is down. Not sure what happened. No sign of problem night before and it just started like this next morning. Any ideas would help. Mike
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