Buick Regal: Auxiliary Water Pump Replacement (FWD)
Removal Procedure
1. Drain the cooling system.
2.
.png)
Steering Gear Heat Shield (2) - Remove.
3.
.png)
Heater Outlet Hose Clamp (1) - Disengage.
4. Heater Outlet Hose (2) @ Auxiliary Water Pump - Remove.
5.
.png)
Heater Coolant Pump Hose Clamp (1) - Disengage.
6. Heater Coolant Pump Hose (2) @ Auxiliary Water Pump - Remove.
7. Electrical Connector @ Auxiliary Water Pump - Disconnect.
8.
.png)
Auxiliary Water Pump Bolt (1) - Remove.
9.
.png)
Auxiliary Water Pump (1) - Remove.
Installation Procedure
1.
.png)
Auxiliary Water Pump (1) - Install.
2.
.png)
CAUTION: Refer to Fastener Caution.
Auxiliary Water Pump Bolt (1) - Install and tighten 9 N.m (80 lb in).
3. Electrical Connector @ Auxiliary Water Pump - Connect.
4.
.png)
Heater Coolant Pump Hose (2) @ Auxiliary Water Pump - Install.
5. Heater Coolant Pump Hose Clamp (1) - Engage.
6.
.png)
Heater Outlet Hose (2) @ Auxiliary Water Pump - Install.
7. Heater Outlet Hose Clamp (1) - Engage.
8.
.png)
Steering Gear Heat Shield (2) - Install.
9. Fill the cooling system to the proper level.
10. Start the engine and check for coolant leaks.
AUXILIARY WATER PUMP REPLACEMENT (AWD)
Removal Procedure
1. Drain the cooling system.
2. Electrical Connector @ Auxiliary Water Pump - Disconnect.
3.
.png)
Auxiliary Water Pump Bolt (1) - Remove.
4. Lower the vehicle.
NOTE: Note the heater hose routing for proper installation.
5. Reposition the auxiliary water pump to access the Heater Hoses.
6.
.png)
Heater Coolant Pump Hose (2) @ Auxiliary Water Pump - Remove.
7.
.png)
Heater Outlet Hose (2) @ Auxiliary Water Pump - Remove.
8.
.png)
Auxiliary Water Pump (1) - Remove.
Installation Procedure
1.
.png)
Heater Outlet Hose (2) @ Auxiliary Water Pump - Install.
2.
.png)
Heater Coolant Pump Hose (2) @ Auxiliary Water Pump - Install.
3. Reposition the auxiliary water pump.
4. Raise the vehicle.
5.
.png)
CAUTION: Refer to Fastener Caution.
Auxiliary Water Pump Bolt (1) - Install and tighten 9 N.m (80 lb in).
6. Electrical Connector @ Auxiliary Water Pump - Connect.
7. Fill the cooling system to the proper level.
8. Start the engine and check for coolant leaks.
READ NEXT:
Radiator Drain Cock Replacement
Preliminary Procedures
1. Raise and support the vehicle. Lifting and Jacking the Vehicle.
2. Place a drain pan under the drain cock.
Radiator Drain Cock
Procedure
Fill the cooling system to
Radiator Replacement (3.6L LGX)
Removal Procedure
1. Drain the cooling system.
2. Front Bumper Fascia - Remove.
3.
Hood Primary Latch Mount Panel Bracket (3) - Remove.
4. Recover the refrigerant.
5.
Air Conditioning Condense
Radiator Lower Insulator Replacement
Preliminary Procedure
Radiator Replacement (2.0L LTG) or Radiator Replacement (3.6L LGX)
Radiator Lower Insulator [2x]
RADIATOR AIR LOWER BAFFLE REPLACEMENT
Removal Procedure
1. Front Bumper Fasci
SEE MORE:
Coolant System Flushing
WARNING: In order to avoid personal injury, do not remove the cap or
open the cooling
system drains from a hot system. Allow the system to cool first.
NOTE: Do not use a chemical flush.
Store used coolant in the proper manner, such as in a used engine coolant
holding tank.
Do not pour used coolant
Symptoms - Wiper/Washer Systems
NOTE: The following steps must be completed before using the symptom
tables:
1. Perform Diagnostic System Check - Vehicle , in order to verify that all of
the following conditions are true:
No DTCs are set.
The control modules can communicate via the serial data link.
2. Refer to Wiper/Washer
