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Thread: Water Pump Torque

  1. #1
    Join Date
    Jul 2012

    Default Water Pump Torque

    I have the Haynes for my 2003 GMC Yukon XL 1500 V8 5.3 (24066)

    What is the proper torque for the 6 bolts holding the water pump? Book says 132 inch pounds. I read else where it should be 37 foot pounds. What is correct number?

    And...what is torque for the belt tensioner bolts (3 holding on to water pump...not the single center bolt) Book says 89 inch pounds...again, found many different numbers on line.

    Thanks so much.

  2. #2
    Join Date
    Jan 2007


    Hi Mlyeager,

    The manual lists the proper torque for the water pump mounting bolts. Step 1 is 132 inch-lbs, Step 2 is 22 foot-lbs.

    I'm not sure where you're seeing the drivebelt tensioner mounting bolt torque spec, but those bolts should be tightened to 37 foot-lbs (I looked it up in the factory service manual).

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