Water pump is important part/component for car cooling system.Water pump maintenance is required,to keep water pump free from problems.But in case if it gets faulty then it has to be replaced.
If you need dis-assembly or replacement instructions for any other auto/car part, or you want to ask question related to your car/truck jeep problem then please leave the comment with your details, so I can provide you the required instructions and solutions.
The procedure to replace cars water pump is as follows :----
Water Pump
REMOVAL & INSTALLATION
4.3L, 5.0L, 5.7L & 7.4L Engines
- Drain the radiator.
- Remove or disconnect the following:
NOTEOn the 7.4L engine, remove the bypass hose.
Fan shroud
Negative battery cable
Drive belt(s)
Alternator and other accessories, if necessary
Fan, fan clutch and pulley
Accessory brackets that might interfere with water pump removal
Lower radiator hose from the water pump inlet
Heater hose from the nipple on the pump
Water pump assembly away from the timing cover
Fig. Exploded view of the water pump mounting-4.3L engine
Fig. Exploded view of the water pump mounting-5.0L and 5.7L engines
Fig. Exploded view of the water pump mounting-7.4L engine
To install:
- Clean all old gasket material from the timing chain cover.
- Install or connect the following:
Pump assembly with a new gasket. Torque the bolts to 30 ft. lbs. (41 Nm).
Hose between the water pump inlet and the pump
Heater hose and the bypass hose (7.4L only)
Fan, fan clutch and pulley
Alternator and other accessories, if necessary
Drive belt(s)
Upper radiator shroud
- Refill the cooling system.
- Connect the battery.
4.8L, 5.3L & 6.0L Engines
- Remove or disconnect the following:
Air outlet duct
Coolant
Inlet radiator hose from the water pump
Upper fan shroud
Cooling fan and clutch assembly
Drive belt
Radiator outlet hose from the coolant pump
Surge tank hose
Heater hose
Water pump
Fig. Exploded view of the water pump assembly-4.8L, 5.3L and 6.0L engines
To install:
NOTE
DO NOT use cooling system seal tabs (or similar compounds) unless otherwise instructed. The use of cooling system seal tabs (or similar compounds) may restrict coolant flow through the passages of the cooling system or the engine components. Restricted coolant flow may cause engine overheating and/or damage to the cooling system or the engine components/assembly.
- Install or connect the following:
Water pump. Install the water pump bolts. Tighten the water pump bolts first pass to 11 ft. lbs. (15 Nm); tighten the bolts final pass to 22 ft. lbs. (30 Nm).
Water pump drive belt pulley and bolts (if applicable). Tighten the pulley bolts first pass to 89 inch lbs. (10 Nm); tighten the bolts final pass to 18 ft. lbs. (25 Nm).
Surge tank hose
Heater hose
Outlet radiator hose to the coolant pump
Drive belt
Cooling fan and clutch assembly
Upper fan shroud
Inlet radiator hose to the water pump
Air inlet duct
Coolant
- Remove or disconnect the following:
Air inlet and outlet duct
Coolant
Inlet radiator hose from the water pump
Upper fan shroud
Cooling fan and clutch assembly
Drive belt
Radiator outlet hose from the coolant pump
Surge tank hose
Heater hose
Water pump
Fig. Exploded view of the water pump assembly-4.8L, 5.3L and 6.0L engines
To install:
- Install or connect the following:
Water pump. Install the water pump bolts. Tighten the bolts to 11 ft. lbs. (15 Nm) for the first pass; then tighten to 22 ft. lbs. (30 Nm) for the final pass.
Water pump drive belt pulley and bolts (if applicable). Tighten the bolts to 89 inch lbs. (10 Nm) for the first pass; then tighten to 18 ft. lbs. (25 Nm) for the final pass.
Surge tank hose
Heater hose
Outlet radiator hose to the coolant pump
Drive belt
Cooling fan and clutch assembly
Upper fan shroud
Inlet radiator hose to the water pump
Air inlet and outlet duct
Coolant
4.8L, 5.3L, 6.0L & 6.2L Engines
- Remove or disconnect the following:
Air outlet duct
Coolant
Inlet radiator hose from the water pump
Upper fan shroud
Cooling fan and clutch assembly
Drive belt
Radiator outlet hose from the coolant pump
Surge tank hose
Heater hose
Water pump
Fig. Exploded view of the water pump assembly-4.8L, 5.3L, 6.0L and 6.2L engines
To install:
NOTE
DO NOT use cooling system seal tabs (or similar compounds) unless otherwise instructed. The use of cooling system seal tabs (or similar compounds) may restrict coolant flow through the passages of the cooling system or the engine components. Restricted coolant flow may cause engine overheating and/or damage to the cooling system or the engine components/assembly.
- Install or connect the following:
Water pump. Install the water pump bolts. Tighten the water pump bolts first pass to 11 ft. lbs. (15 Nm); tighten the bolts final pass to 22 ft. lbs. (30 Nm).
Water pump drive belt pulley and bolts (if applicable). Tighten the pulley bolts first pass to 89 inch lbs. (10 Nm); tighten the bolts final pass to 18 ft. lbs. (25 Nm).
Surge tank hose
Heater hose
Outlet radiator hose to the coolant pump
Drive belt
Cooling fan and clutch assembly
Upper fan shroud
Inlet radiator hose to the water pump
Air inlet duct
Coolant
5.7L And 7.4L Engines
- Before servicing the vehicle, refer to the Precautions section.
- Drain the radiator.
- Remove or disconnect the following:
Fan shroud
Negative battery cable
Drive belt(s)
Alternator and other accessories, if necessary
Fan, fan clutch and pulley
Accessory brackets that might interfere with water pump removal
Lower radiator hose from the water pump inlet
Heater hose from the nipple on the pump
Bypass hose, 7.4L engine only
Water pump assembly away from the timing cover
To install:
- Clean all old gasket material from the timing chain cover and water pump.
- Install or connect the following:
Pump assembly with a new gasket. Torque the bolts to 30 ft. lbs. (41 Nm)
Hose between the water pump inlet and the pump
Heater hose and the bypass hose (7.4L only)
Fan, fan clutch and pulley
Alternator and other accessories, if necessary
Drive belt(s)
Upper radiator shroud
- Refill the cooling system.
- Connect the battery.
Fig. Exploded view of the water pump mounting-5.7L engines
Fig. Exploded view of the water pump mounting-7.4L engine
6.5L Engine
- Drain the engine coolant.
- Remove or disconnect the following:
NOTERemove the bolt on the rear of the water pump plate.
Negative battery cables
Fan and fan shroud
Air conditioning hose bracket and/or the oil filler tube, as required
Accessory drive belt(s)
Vacuum pump mounting bracket nuts/bolt
Vacuum pump and bracket
Power steering pump and bracket
Coolant hoses from the pump
Water pump plate retaining bolts
Pump and plate assembly from the engine
Separate the pump and gasket from the plate
Fig. Exploded view of the water pump assembly and related components-6.5L diesel engines
To install:
- Install or connect the following:
Water pump and a new gasket to the plate. Torque the retaining bolt (at the rear of the plate) to 20 ft. lbs. (28 Nm).
- Be sure the block mating surface and the plate flanges are free of oil. Apply an anaerobic sealer GM part 1052357 or equivalent.
NOTEThe sealer must be wet to the touch when the bolts are tightened.
Water pump and plate assembly. Torque the bolts to 20 ft. lbs. (28 Nm).
Coolant hoses to the pump assembly
Power steering pump and bracket
Vacuum pump and bracket, along with the bolt holding the pump and alternator
Fan and pulley
Accessory drive belt(s)
Oil filler tube and/or air conditioning hose bracket nuts, if removed
Fan shroud
Batteries
- Refill the radiator.
- Before servicing the vehicle, refer to the Precautions section.
- Drain the engine coolant.
- Remove or disconnect the following:
NOTERemove the bolt on the rear of the water pump plate.
Negative battery cables
Fan and fan shroud
Air conditioning hose bracket and/or the oil filler tube, as required
Accessory drive belt(s)
Vacuum pump mounting bracket nuts/bolt
Vacuum pump and bracket
Power steering pump and bracket
Coolant hoses from the pump
Water pump plate retaining bolts
Pump and plate assembly from the engine
Separate the pump and gasket from the plate
Fig. Exploded view of the water pump assembly and related components-6.5L diesel engines
To install:
- Install or connect the following:
Water pump and a new gasket to the plate. Torque the retaining bolt (at the rear of the plate) to 20 ft. lbs. (28 Nm).
- Be sure the block mating surface and the plate flanges are free of oil. Apply an anaerobic sealer GM part 1052357 or equivalent.
NOTEThe sealer must be wet to the touch when the bolts are tightened.
Water pump and plate assembly. Torque the bolts to 20 ft. lbs. (28 Nm).
Coolant hoses to the pump assembly
Power steering pump and bracket
Vacuum pump and bracket, along with the bolt holding the pump and alternator
Fan and pulley
Accessory drive belt(s)
Oil filler tube and/or air conditioning hose bracket nuts. If removed
Fan shroud
Batteries
- Refill the radiator.
6.6L Engine
- Remove the left front fender wheelhouse inner panel.
- Drain the coolant.
- Remove or disconnect the following:
Thermostat housing crossover
Fan clutch
Crankshaft balancer
Water pump outlet pipe-to-water pump nuts
Engine wiring harness retainer front the inner stud
Water pump bolts, noting their locations as they are different lengths
Water pump and gasket
Fig. Exploded view of the water pump assembly and related components-6.6L diesel engines
To install:
- Lubricate the water pump O-ring with engine oil.
- Install or connect the following:
Water pump
Water pump bolts and tighten to 15 ft. lbs. (20 Nm)
Water pump-to-water pump outlet gasket
Engine wiring harness retainer on the water pump outlet pipe inner stud
Water pump-to-water pump outlet pipe nuts and tighten to 15 ft. lbs. (20 Nm)
Thermostat housing crossover
Crankshaft balancer
Fan clutch
- Fill the cooling system and install the left front fender wheelhouse inner panel.
8.1L Engines
- Remove or disconnect the following:
Coolant
Drive belt
Fan clutch
Outlet hose clamp and hose
- Reposition the bypass hose clamps at the water pump and water crossover
Bypass hose
Water pump bolt and pump. Discard the water pump gaskets.
Fig. Exploded view of the water pump assembly-8.1L engine
To install:
- Install or connect the following:
New water pump gaskets.
Water pump and bolts. Tighten the water pump bolts 37 ft. lbs. (50 Nm).
Bypass hose and clamps
Outlet hose and clamp
Fan clutch
Drive belt
Surge tank hose
Heater hose
Outlet radiator hose to the coolant pump
Drive belt
Cooling fan and clutch assembly
Upper fan shroud
Inlet radiator hose to the water pump
Air inlet duct
Coolant
- Remove or disconnect the following:
Coolant
Drive belt
Fan clutch
Outlet hose clamp and hose
- Reposition the bypass hose clamps at the water pump and water crossover.
Bypass hose
Water pump bolt and pump. Discard the water pump gaskets.
Fig. Exploded view of the water pump assembly-8.1L engines
To install:
- Install or connect the following:
New water pump gaskets
Water pump and bolts. Tighten the water pump bolts 37 ft. lbs. (50 Nm).
Bypass hose and clamps
Outlet hose and clamp
Fan clutch
Drive belt
Surge tank hose
Heater hose
Outlet radiator hose to the coolant pump
Drive belt
Cooling fan and clutch assembly
Upper fan shroud
Inlet radiator hose to the water pump
Air inlet duct
Coolant
- Remove or disconnect the following:
Coolant
Drive belt
Fan clutch
Outlet hose clamp and hose
- Reposition the bypass hose clamps at the water pump and water crossover
Bypass hose
Water pump bolt and pump. Discard the water pump gaskets.
Fig. Exploded view of the water pump assembly-8.1L engines
To install:
- Install or connect the following:
New water pump gaskets.
Water pump and bolts. Tighten the water pump bolts 37 ft. lbs. (50 Nm).
Bypass hose and clamps
Outlet hose and clamp
Fan clutch
Drive belt
Surge tank hose
Heater hose
Outlet radiator hose to the coolant pump
Drive belt
Cooling fan and clutch assembly
Upper fan shroud
Inlet radiator hose to the water pump
Air inlet duct
Coolant
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This details will help.
For more car related problem troubleshooting:---
This are the sections, you can go through and click the link to read its troubleshooting.
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http://schematicsdiagram.blogspot.com/2011/06/how-to-test-starter-solenoid.html
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http://schematicsdiagram.blogspot.com/2011/06/how-to-test-cars-starter.html
How to replace starter in car?
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car will turn over but will not start?
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Car wont start?
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