Buick Regal: Thermostat Bypass Hose Replacement (2.0L LTG)
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Preliminary Procedures
1. Drain the cooling system.
2. Radiator Inlet Hose @ Water Outlet - Remove.
- Thermostat Bypass Hose Clamp [2x]
Procedure
Hose Clamp Replacement Guidelines - Spring Type
- Thermostat Bypass Hose
Procedure
1. Radiator Inlet Hose @ Water Outlet - Install.
2. Fill the cooling system. 3. Check the cooling system for leaks.
WATER PUMP INLET PIPE REPLACEMENT (3.6L LGX)
Removal Procedure
1. Drain the cooling system.
2. Generator - Remove.
3.
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Radiator Outlet Hose Clamp (1) - Disconnect.
4. Radiator Outlet Hose (2) @ Water Pump Inlet Pipe - Remove.
5. Water Pump Inlet Pipe Bolt (3) - Remove.
6.
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Water Pump Inlet Pipe Bolt (1) - Remove [2x].
7. Water Pump Inlet Pipe (2) - Remove.
8. Water Pump Inlet Pipe Seal (3) - Remove and DISCARD.
Installation Procedure
1.
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Water Pump Inlet Pipe Seal (3) - Install NEW.
2. Water Pump Inlet Pipe (2) - Install.
CAUTION: Refer to Fastener Caution.
3. Water Pump Inlet Pipe Bolt (1) - Install and tighten [2x] 15 N.m (11 lb ft).
4.
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Water Pump Inlet Pipe Bolt (3) - Install and tighten15 N.m (11 lb ft).
5. Radiator Outlet Hose (2) @ Water Pump Inlet Pipe - Install.
6. Radiator Outlet Hose Clamp (1) - Connect.
7. Generator - Install.
8. Fill the cooling system.
9. Start the engine and check for leaks.
ENGINE COOLANT THERMOSTAT HOUSING REPLACEMENT (2.0L LTG)
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Preliminary Procedure
Radiator Outlet Hose Replacement (2.0L LTG) or Radiator Outlet Hose Replacement (3.6L LGX without Engine Oil Cooler) or Radiator Outlet Hose Replacement (3.6L LGX with Engine Oil Cooler).
- Engine Coolant Thermostat Housing Bolt [2x]
CAUTION: Refer to Fastener Caution.
Tighten 10 N.m (89 lb in)
- Engine Coolant Thermostat Housing
Procedure
Install a NEW engine coolant thermostat housing seal.
ENGINE COOLANT THERMOSTAT HOUSING REPLACEMENT (3.6L LGX)
Removal Procedure
1. Drain the cooling system.
2.
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Fuel Injection Fuel Rail Noise Shield (1) - Remove.
3.
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Engine Coolant Air Bleed Pipe (1) - Remove.
4. Engine Rear Noise Shield - Remove.
5.
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Engine Coolant Thermostat Housing Inlet Pipe Bolt (1) - Remove.
6.
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Using a suitable flat bladed tool as shown, separate the engine coolant thermostat housing inlet pipe from the thermostat housing.
7.
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Engine Coolant Thermostat Housing Bolt (1) - Remove [2x].
8. Engine Coolant Thermostat Housing (2) - Remove.
9. Engine Coolant Thermostat Housing Seal (3) - Remove and DISCARD.
10.
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Engine Coolant Thermostat Housing Inlet Pipe O-ring Seal (1) - Remove and DISCARD.
Installation Procedure
1.
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Engine Coolant Thermostat Housing Inlet Pipe O-ring Seal (1) - Install NEW.
2.
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Engine Coolant Thermostat Housing Seal (3) - Install NEW.
3. Engine Coolant Thermostat Housing (2) - Install.
CAUTION: Refer to Fastener Caution.
4. Engine Coolant Thermostat Housing Bolt (1) - Install and tighten [2x] 10 N.m (89 lb in).
5.
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Insert the engine coolant thermostat housing inlet pipe (1) to the thermostat housing.
6.
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Engine Coolant Thermostat Housing Inlet Pipe Bolt (1) - Install and tighten 10 N.m (89 lb in).
7.
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Engine Coolant Air Bleed Pipe (1) - Install.
8. Engine Rear Noise Shield - Install.
9.
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Fuel Injection Fuel Rail Noise Shield (1) - Install.
10. Fill the cooling system.
11. Start the engine and check for leaks.
READ NEXT:
Engine Coolant Thermostat Housing Inlet Pipe Replacement (3.6L LGX)
Removal Procedure
1. Drain the cooling system.
2. Engine Rear Noise Shield - Remove.
3.
Radiator Inlet Hose Clamp (1) - Disengage.
4. Radiator Inlet Hose (2) - Disconnect.
5. Engine Coolant Therm
Water Pump Pulley Replacement (3.6L LGX)
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-461
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.
SEE MORE:
Front Fog Lamp Light
For vehicles with fog lamps, this
light comes on when the fog lamps
are on.
The light goes out when the fog
lamps are turned off.
Lamps On Reminder
This light comes on when the
exterior lamps are in use.
Cruise Control Light
The cruise control light is white
when the cruise control is on and
rea
Instrument Cluster Description and Operation
Instrument Cluster (with RPO UDC)
The instrument cluster is a multifunction module that provides the vehicle
operator with information that
is critical to vehicle operation, such as vehicle speed, engine RPM, oil
pressure, battery voltage, fuel
level, and coolant temperature, using analog gauges.
