2002 Buick Century whats the cause

2002 BUICK CENTURY
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BIGBOB1
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Engine Mechanical problem
2002 Buick Century 6 cyl Front Wheel Drive

tapping upper motor when starting goes away when engine warms up then it comes n goes
Feb 18, 2010 at 11:28 PM
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MHPAUTOS
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Hi there,

This may be a faulty lifter, you can try doing a engine oil & filter change and use a good quality engine flush, this may help free up a sticky lifter. try this first.

mark (mhpautos)
Feb 19, 2010 at 5:36 AM