2007 Chevy Silverado 1500 Z-71 4x4 with 5.3 engine. Experiencing knocking during start up in the morning. It lasts around 3-5 minutes. Once engine warms up it stops. Understand that it could be bad lifters, but not sure. Overall it has been a good truck,
Upon first starting the engine in the morning and under heavy engine demand the engine "knocks" I have an appointment tomorrow with the dealer to investigate. I'll update the post upon there results.
- Bob H.,
Greenville, PA, US
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2007 Chevy Silverado 1500 Z-71 4x4 with 5.3 engine. Experiencing knocking during start up in the morning. It lasts around 3-5 minutes. Once engine warms up it stops. Understand that it could be bad lifters, but not sure. Overall it has been a good truck,
- davilanov61, Houston, TX, US