2001 Cadillac Deville 4.6L SFI DOHC 8cyl Removal & Installation procedure...
1. Before servicing the vehicle, refer to the Precautions section.
2. Drain the coolant.
3. Remove or disconnect the following:
Negative battery cable
Upper fill panel, if equipped
AIR injection control valve, if equipped
Air cleaner
Oil level indicator tube nut, if necessary
Water pump belt cover
Water pump drive belt
Lower radiator hose
Thermostat bypass hose from the coolant inlet housing
Water pump cover
4. Remove the water pump by rotating it clockwise using special Tool J 38816-1A (water pump remover/installer).
To install:
1. Install the water pump with a new O-ring, by turning it counterclockwise using the special tool, until it stops. Torque the water pump to 73 ft. lbs. (100 Nm).
Fig. To ensure proper operation, be sure to install a new O-ring (click for zoom)
2. Install or connect the following:
Water pump cover. Torque the bolts to 89 inch lbs. (10 Nm).
Lower radiator hose
Thermostat bypass hose to the coolant inlet housing
Water pump drive belt
Water pump belt cover
Oil level indicator tube nut, if necessary
Air cleaner
AIR injection control valve, if equipped
Upper fill panel, if equipped
Negative battery cable
3. Refill and bleed the cooling system.
4. Run the engine and check for leaks.
Hope this helps (remember to rate this comments)
SOURCE: When does the timing belt need to be changed on a
The northstar engine uses chain driven cams that eliminates the need to replace timing belts.
Thank you and enjoy,
Lee
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SOURCE: trying to locate water pump on my 2000 caddy deville
Its on the same side of the engine as the transmission, driven by the belt up top. It requires a special socket to remove the pump from the housing.(also, the pump turns clockwise to remove!)
SOURCE: 1994 cadillac deville 4.9 engine water pump
This can be a major operation. Go to public library and see if they have a chilton repair book on this car. The pump has about twenty bolts af various sizes and torx head bolts.
Fig. Water pump assembly-4.6L Northstar engine (click image for zoom)
Fig. Remove the water pump belt shield
Fig. Remove the water pump adjuster pulley retaining bolt and
Fig. Remove the water pump retaining bolts
Hope helps.
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