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Gary, Chevy Technician
Category: Chevy
Satisfied Customers: 15704
Experience:  15 years GM master tech
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We spoke earlier, its I have the 5.3 chevy with the po306

Customer Question

hi , Gary we spoke earlier , its Arnold I have the 5.3 chevy with the po306 code , you mentioned lifter after removing valves are opening and closing and I don't have lash in #6 rockers intake or exhaust . broken ring or worn ring , head gasket , no fluid
in oil , or low coolant , motor was smoking some white smoke not blue or black . but could have been condensation from sitting a week . in a cool climate . your thoughts .
Submitted: 1 year ago.
Category: Chevy
Expert:  Gary replied 1 year ago.

6 valves are opening and closing the same as the others on that bank when cranking it over ?

Customer: replied 1 year ago.
8 valves yes all seem to be in sequence with firing order
Expert:  Gary replied 1 year ago.

then do a compression test on those 4 cylinders on that bank

Expert:  Gary replied 11 months ago.

how are you making out ?

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