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:

     Servicing the Airbag-Equipped Vehicle

    Airbags affect how the vehicle should be serviced. There are parts of the airbag system in several places around the vehicle. Your dealer and the service manual have information about servicing the vehicle and the airbag system. To purchase a service manual. Warning: For up to 10 seconds after the v

     Specifications, Diagnostic Information and Procedures

    SPECIFICATIONS FASTENER SPECIFICATIONS Single Use Non-Threaded Fasteners/Components NOTE: All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. Application O-Ring at PTU Output Shaft O-Ring at Rear Differential Input Shaft Retaining Ring at PTU Output

    © 2019-2025 Copyright www.buregal6.com