Buick Regal Owners & Service Manuals
Buick Regal 2018-2025 Service Manual / Engine / Engine Cooling / Repair Instructions / Auxiliary Water Pump Replacement (FWD)

Buick Regal: Auxiliary Water Pump Replacement (FWD)

Removal Procedure

1. Drain the cooling system.

2.

Engine Cooling

Steering Gear Heat Shield (2) - Remove.

3.

Engine Cooling

Heater Outlet Hose Clamp (1) - Disengage.

4. Heater Outlet Hose (2) @ Auxiliary Water Pump - Remove.

5.

Engine Cooling

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.

Engine Cooling

Auxiliary Water Pump Bolt (1) - Remove.

9.

Engine Cooling

Auxiliary Water Pump (1) - Remove.

Installation Procedure

1.

Engine Cooling

Auxiliary Water Pump (1) - Install.

2.

Engine Cooling

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.

Engine Cooling

Heater Coolant Pump Hose (2) @ Auxiliary Water Pump - Install.

5. Heater Coolant Pump Hose Clamp (1) - Engage.

6.

Engine Cooling

Heater Outlet Hose (2) @ Auxiliary Water Pump - Install.

7. Heater Outlet Hose Clamp (1) - Engage.

8.

Engine Cooling

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.

Engine Cooling

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.

Engine Cooling

Heater Coolant Pump Hose (2) @ Auxiliary Water Pump - Remove.

7.

Engine Cooling

Heater Outlet Hose (2) @ Auxiliary Water Pump - Remove.

8.

Engine Cooling

Auxiliary Water Pump (1) - Remove.

Installation Procedure

1.

Engine Cooling

Heater Outlet Hose (2) @ Auxiliary Water Pump - Install.

2.

Engine Cooling

Heater Coolant Pump Hose (2) @ Auxiliary Water Pump - Install.

3. Reposition the auxiliary water pump.

4. Raise the vehicle.

5.

Engine Cooling

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:

     Symptoms - Power Seats

    NOTE: The following steps must be completed before using the symptom tables. 1. Perform the Diagnostic System Check - Vehicle before using the Symptom Tables in order to verify that all of the following are true: There are no DTCs set. The control modules can communicate via the serial data lin

     Specifications, Diagnostic Information and Procedures

    SPECIFICATIONS FASTENER SPECIFICATIONS Reusable Threaded Fastener Tightening Specifications NOTE: All Fasteners Listed In This Table Can Be Reused After Removal. ADHESIVES, FLUIDS, LUBRICANTS, AND SEALERS DIAGNOSTIC INFORMATION AND PROCEDURES TIRE DIAGNOSIS - IRREGULAR OR PREMATURE WEAR Tire Wear

    © 2019-2025 Copyright www.buregal6.com