Chevrolet s-10 4.3

Asked by Bannydriver92 Jul 11, 2019 at 06:58 AM about the 2003 Chevrolet S-10 LS RWD

Question type: Maintenance & Repair

I have a 2003 s-10 4.3 Ls it blow a intake gasket it
did not knock at all had the gasket changed an
when finished when I started it
It knocking now what why would it knock now an
not befor

1 Answer
27,570

oilyspill answered 5 years ago

Is the knocking internal engine? Listen at the valve covers and oil pan. You can use a mechanics stethoscope to listen. Another thought would be the octange rating of your gas? I'm not sure what gasket has to do with it as long as the gasket seals. I might be barking up the wrong tree? It wouldn't be the first time.

Mark helpful

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