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jumped timing on 1990 Buick Regal

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i have a buick regal thats actually a 1989 that im almost positive i jumped timing in. can anyone tell me how to fix it?
(1) Answer
If the engine in your 1989 Buick Regal has indeed jumped time the way to fix it would be to replace the timing chain and gears. It is also possible that valves were bent when turning the engine over out of time. The only way to find out for sure is to replace the timing chain and the check the engine compression.