Buick Regal: Radiator Replacement (3.6L LGX)
Removal Procedure
1. Drain the cooling system.
2. Front Bumper Fascia - Remove.
3.
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Hood Primary Latch Mount Panel Bracket (3) - Remove.
4. Recover the refrigerant.
5.
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Air Conditioning Condenser Bracket (1) - Remove.
6. Transmission Fluid Cooler Inlet and Outlet Pipe Retainer @ Engine Cooler Fan - Remove.
7.
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Transmission Fluid Cooler Inlet Pipe (1) @ Radiator - Remove.
8.
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Transmission Fluid Cooler Outlet Pipe (2) @ Radiator - Remove.
9. Intake Air Duct - Remove.
10.
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Remove the engine coolant fan wiring harness ground nut (1).
11. Remove the engine coolant fan wiring harness (2) from the front end upper tie bar support.
12. Retainer @ Radiator - Unclip.
13.
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Electrical Connector (1) - Disconnect [2x].
14.
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Clamp (4) - Disengage.
15. Radiator Inlet Hose (3) - Remove.
16. Radiator Upper Bracket (5) - Remove.
17.
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Clamp (1) - Disengage.
18. Radiator Outlet Hose (2) @ Radiator - Remove.
19.
Radiator Upper Bracket (3) - Remove.
20.
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Radiator Sleeve (3) - Remove.
21.
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Radiator Assembly (1) - Remove.
22. Radiator Lower Insulator (2) - Remove [2x].
23.
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Engine Coolant Fan Shroud Clip (1) @ Engine Coolant Fan - Remove.
24.
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Engine Coolant Fan Shroud Bolt (3) - Remove [2x].
25. Engine Coolant Fan (2) @ Radiator (1) - Remove.
26.
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Radiator Upper Bracket (1) - Remove [2x].
27. Radiator Lower Bracket (4) - Remove [2x].
28. Remove the 4 radiator nuts (2, 5).
Installation Procedure
1.
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Install the 4 radiator nuts (2, 5).
2. Radiator Upper Bracket (1) - Install [2x].
3. Radiator Lower Bracket (4) - Install [2x].
4.
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Engine Coolant Fan (2) @ Radiator (1) - Install.
CAUTION: Refer to Fastener Caution.
5. Engine Coolant Fan Shroud Bolt (3) - Install and tighten [2x] 5.1N.m (45 lb in).
6.
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Engine Coolant Fan Shroud Clip (1) @ Engine Coolant Fan - Install.
7. Radiator Lower Insulator (2) - Install [2x].
8.
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Radiator Assembly (1) - Install.
9.
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Radiator Sleeve (3) - Install.
10.
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Radiator Upper Bracket (3) - Install.
11.
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Radiator Outlet Hose (2) @ Radiator - Install.
12. Clamp (1) - Engage.
13.
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Radiator Upper Bracket (5) - Install.
14. Radiator Inlet Hose (3) - Install.
15. Clamp (4) - Engage.
16.
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Electrical Connector (1) - Connect [2x].
17. Retainer @ Radiator - Install.
18.
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Install the engine coolant fan wiring harness (2) to the front end upper tie bar support.
19. Install and tighten the engine coolant fan wiring harness ground nut (1).
20. Intake Air Duct - Install.
21.
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Transmission Fluid Cooler Outlet Pipe (2) @ Radiator - Install.
22.
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Transmission Fluid Cooler Inlet Pipe (1) @ Radiator - Install.
23. Transmission Fluid Cooler Inlet and Outlet Pipe Retainer @ Engine Cooler Fan - Install.
24.
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Air Conditioning Condenser Bracket (1) - Install.
25.
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Hood Primary Latch Mount Panel Bracket (3) - Install.
26. Recharge the refrigerant.
27. Front Bumper Fascia - Install.
28. Fill the cooling system.
READ NEXT:
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
Cooling Fan Description and Operation
System Overview
The engine cooling fan system consists of 2 electric cooling fans and 3 fan
relays. The cooling fan relays
are arranged in a series/parallel (S/P) configuration. This allows the engin
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Telematics communication interface control module
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Malfunction Indicator Lamp
(Check Engine Light)
This light is part of the vehicle's
emission control on-board
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the vehicle may require service. The
light should come on to show that it
is working when the ignition is in
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Malfunctio
