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Buick Timing Chain or Cam Problem
Thank you, mikes! Further inquiry, and it was explained to me this engine has had issues since inception with intake manifold gaskets leaking internally. The shop said because the leak was minor and inside the engine - anti-freeze would mix with the oil. Once mixed, bearings would wear and the cam spin out of round. After a period of time spinning loose the cam breaks. While sceptacle, they showed me by removing the oil filler cap and cranking the engine. Interesting enough, I could see front parts moving and back parts stationary. They indicated this was due to the broken cam. Thanks again!
|asked||Buick Timing Chain or Cam Problem|