Buick Regal: Water Pump Pulley Replacement (3.6L LGX)
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Preliminary Procedure
Drive Belt Replacement.
- Water Pump Pulley Bolt [4x]
CAUTION: Refer to Fastener Caution.
Tighten 10 N.m (89 lb in)
- Water Pump Pulley
Procedure
1. Install the EN-46104 Water Pump Pulley Holding Tool onto the water pump pulley mounting holes.
2. Remove the water pump pulley bolts.
3. Remove the EN-46104 Water Pump Pulley Holding Tool from the water pump pulley.
Special Tools
EN-46104 Water Pump Pulley Holding Tool
For equivalent regional tools, refer to Special Tools.
WATER PUMP REPLACEMENT (3.6L LGX)
Removal Procedure
1. Drain the cooling system.
2. Drive Belt Tensioner - Remove.
3. Drive Belt Idler Pulley - Remove.
4. Water Pump Pulley - Remove.
5.
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Engine Front Cover Bolt (1) - Remove [9x].
6. Water Pump Bolt (2) - Remove [5x].
7.
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Water Pump (1) - Remove.
8. Water Pump Gasket (2) - Remove and DISCARD.
9. Carefully clean the water pump sealing surfaces.
Installation Procedure
1.
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Water Pump Gasket (2) - Install NEW.
2. Water Pump (1) - Install.
3.
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Water Pump Bolt (2) - Install and hand tighten - Hand tighten [5x].
4. Engine Front Cover Bolt (1) - Install and hand tighten [9x].
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Fig. 1: Water Pump Bolts Tightening Sequence
5.
CAUTION: Refer to Fastener Caution.
Tighten the water pump bolts in the sequence shown to 15 N.m (11 lb ft).
6. Water Pump Pulley - Install.
7. Drive Belt Idler Pulley - Install.
8. Drive Belt Tensioner - Install.
9. Fill the cooling system.
10. Start the engine and check for leaks.
WATER PUMP REPLACEMENT (2.0L LTG)
Removal Procedure
1. Drain the cooling system.
2. Drive Belt - Remove.
3. Turbocharger - Remove.
4.
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Wiring Harness Clip (4) - Remove.
5. Wiring Harness (1) - Position aside.
6. Clamp (2) - Loosen.
7. Radiator Outlet Hose (3) - Disconnect.
8.
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Thermostat Bypass Pipe Bolt (1) - Remove [2x].
9.
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Water Pump Bolt (2) - Remove [3x].
10. Water Pump (3) - Remove.
11. Water Pump Seal (1) - Remove and DISCARD.
12.
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Thermostat Bypass Pipe Gasket (1) - Remove and DISCARD.
Installation Procedure
1.
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Thermostat Bypass Pipe Gasket (1) - Install NEW.
2.
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Water Pump Seal (1) - Install NEW.
3. Water Pump (3) - Install.
CAUTION: Refer to: Fastener Caution
4. Water Pump Bolt (2) - Install and hand tighten [3x].
5.
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Thermostat Bypass Pipe Bolt (1) - Install and hand tighten [2x].
6.
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Water Pump Bolt (2) - Tighten [3x] 25N.m (18 lb ft).
7.
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Thermostat Bypass Pipe Bolt (1) - Tighten [2x] 10N.m (89 lb in).
8.
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Radiator Outlet Hose (3) - Connect.
9. Clamp (2) - Install.
10. Wiring Harness (1) - Reposition.
11. Wiring Harness Clip (4) - Install.
12. Turbocharger - Install.
13. Drive Belt - Install.
14. Fill the cooling system.
READ NEXT:
Auxiliary Water Pump Replacement (FWD)
Removal Procedure
1. Drain the cooling system.
2.
Steering Gear Heat Shield (2) - Remove.
3.
Heater Outlet Hose Clamp (1) - Disengage.
4. Heater Outlet Hose (2) @ Auxiliary Water Pump - Remove.
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
SEE MORE:
Symptoms - Antilock Brake System
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
Air Conditioning System Seal Replacement
Removal Procedure
1. Disassemble the A/C refrigerant components. Refer to the appropriate
repair procedure.
NOTE: Cap or tape the open A/C refrigerant components immediately to
prevent
system contamination.
2. Cap or tape the A/C refrigerant components.
3.
Remove the sealing washer (1) from the
