03 Tahoe Lifter noise

My Tahoe 5.3 makes a brief (15sec) lifter like clicking on cold startup..still under warranty with 30K miles...Is this normal and/or should I bring it in??? Thanks

Reply to
Larry
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Join the club ... just a few possibilities: carbon buildup, the oil pump o-ring (there's a TSB on it), or more likely:

- [just search for "pist> My Tahoe 5.3 makes a brief (15sec) lifter like clicking on cold

Reply to
Markeau

Reply to
Larry

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Markeau

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