General motors Trucks GMT-800 Water Pump instead of (4.8L, 5.3L, and 6.0L Engines) remove Procedure
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drain the cooling system. Ease the wait cleaner outlet duct clamps at the adhering to locations: Throttle bodyMass airflow/intake air temperature (MAF/IAT) sensor *Remove the radiator inlet water tap clip indigenous the outlet duct. *Remove the air cleaner outlet duct.
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*If necessary, eliminate the engine vision shield. *Remove the radiator vent inlet hose from the radiator water tap clips.
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* Reposition the inlet hose clamp in ~ the water pump. * remove the inlet water tap from the water pump. * eliminate the fan blade. * remove the accessory journey belt.
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* Reposition the outlet hose clamp in ~ the water pump. * remove the outlet water tap from the water pump.
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* Reposition the rise tank outlet water tap clamp in ~ the water pump. * eliminate the surging tank outlet water tap from the water pump. * Reposition the heater inlet hose clamp at the water pump. * eliminate the heater inlet water tap from the water pump. * remove the water pump bolts. * remove the water pump and also gaskets.

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Discard the water pump gaskets. Installation Procedure
Important: All gaskets surfaces space to be free of oil or other international material throughout assembly. * download the water pump and brand-new gaskets. Notice: Use the correct fastener in the exactly location. Replacement fasteners must be the correct component number for the application. Fasteners requiring instead of or fasteners requiring the use of thread locking link or sealant are identified in the company procedure. Do not usage paints, lubricants, or corrosion inhibitors ~ above fasteners or fastener share surfaces unless specified. These coatings affect fastener torque and also joint clamping force and also may damages the fastener. Usage the correct tightening sequence and also specifications when installing fasteners in order come avoid damage to parts and also systems. * download the water pump bolts. TightenTighten the water pump bolts a an initial pass to 15 N·m (11 lb ft).Tighten the water pump bolts a final pass come 30 N·m (22 lb ft).

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* download the heater inlet water tap to the water pump. * place the heater inlet hose clamp in ~ the water pump. * download the rise tank outlet hose to the water pump. * place the rise tank outlet hose clamp at the water pump. * install the outlet hose to the water pump. * position the outlet hose clamp at the water pump. * install the accessory drive belt. * install the pan blade. * download the inlet water tap to the water pump.* position the inlet hose clamp in ~ the water pump. * install the engine vent inlet water tap to the radiator hose clips. * If necessary, download the engine sight shield.Important: Align the arrow at the accelerator body finish of the duct v the throttle body attaching stud. * download the wait cleaner outlet duct. * download the radiator inlet water tap clip come the outlet duct. * Tighten the air cleaner outlet duct clamps in ~ the complying with locations: Throttle bodyMAF/IAT sensorTighten Tighten the waiting cleaner outlet duct clamp screws come 7 N·m (62 lb in). Fill the cooling system.