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:
DTC P0068 or P1101
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
DTC Descriptor
DT
Sunroof
If equipped, the sunroof only
operates when the ignition is on or
in ACC/ACCESSORY, or when
Retained Accessory Power (RAP) is
active.
Sunroof Switch
The vehicle may have one of two
different switch configurations.
Open/Close (Manual Mode) :
Press (1) or
(1) to the first
detent to open the sunr
