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Q: water pump on 2001 GMC Sierra 2500 HD

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
what part do i need to remove on 2001 gmc sierra durimax 2500 to get to water pump

No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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Removal Procedure
Remove the left front fender wheelhouse inner panel (1).
Drain the engine coolant and the engine block.
Remove the thermostat housing crossover.
Remove the fan clutch.
Remove the crankshaft balancer.
Remove the water pump outlet pipe to water pump nuts.
Remove the engine wiring harness retainer from the inner stud.
Remove the water pump bolts. Note the location of the bolts. The bolts are three different lengths.
Remove the water pump assembly.
Remove the water pump outlet pipe gasket.
Inspection and Repair Procedure
Remove the O-ring from the water pump.
Remove the water pump to water pump housing bolts.
Remove the water pump from the water pump housing.
Remove the O-ring from the water pump housing.
Clean the water pump assembly.
Clean the water pump mating surfaces.
Inspect the water pump gear for damage.
Inspect the water pump mating surfaces for damage.
Inspect the water pump shaft for looseness.
Inspect the water pump assembly for damage.
Replace the water pump if any damage is found.
Install a new O-ring to the, water pump housing.
Lubricate the O-ring with engine coolant.
Install the water pump to the water pump housing.
Notice: Refer to Fastener Notice in Service Precautions.
Install the water pump to water pump housing bolts.
Tighten the water pump to water pump housing bolts to 21 Nm (15 ft. lbs.) .
Install a new O-ring to the water pump.
Installation Procedure
Lubricate the water pump O-ring with engine oil.
Install the water pump.
Notice: Refer to Fastener Notice in Service Precautions.
Install the water pump bolts. Ensure, the correct length bolt is used in the proper location.
Tighten the water pump bolts to 21 Nm (15 ft. lbs.) .
Install the water pump to water pump outlet pipe gasket.
Install the engine wiring harness retainer on the water pump outlet pipe inner stud.
Install the water pump to water pump outlet pipe nuts.
Tighten the water pump to water pump outlet pipe nuts to 21 Nm (11 ft. lbs.) .
Install the thermostat housing crossover.
Install the crankshaft balancer.
Install the fan clutch.
Fill the engine with coolant.
Install the left front fender wheelhouse inner panel (1).

not something i would try at home

thanks for using repairpal/

Roy







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