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Water Pump Pulley Cracked

By MB Vardeman
June 3, 2025 in Troubleshooting, Warranty & Recalls

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MB Vardeman

Posted June 3, 2025

Posted June 3, 2025

My 2021 GMC AT4, 5.3 has 62K miles and the water pump pulley just cracked. Looking for suggestions on what to do. It’s been to the dealer twice to have lifters replaced under warranty.

Senior Enthusiast

JimCost2014

Posted June 3, 2025

Posted June 3, 2025

Replace it, doubt if it is a servicable part. It is a pretty simple swap on the K2's.

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