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1999 Lexus GS 400 Repair Question


Topics covered: Radiator, Cooling fan, Engine.
Mileage: No information provided.

Asked on March 21, 2013

Lexus GS 400 Radiator Problem

How to remove the radiator on 1999 lexus gs400
Avatar Asked by airsoven

Answer

Replied on March 21, 2013

REMOVAL

REMOVE ENGINE UNDER COVER
DRAIN ENGINE COOLANT
REMOVE AIR CLEANER INLET
REMOVE AIR CLEANER ASSEMBLY

REMOVE RADIATOR AND ELECTRIC COOLING FAN ASSEMBLY

Disconnect these parts:

Upper radiator hose from radiator
Lower radiator hose from radiator
ECM outlet duct from ECM box
Wire for electric cooling fan from clamp on electric cooling fan
2 electric cooling fan connectors
ECT switch connector for electric cooling fan
2 oil cooler hoses for A/T from radiator

Remove the 2 nuts and 2 upper radiator supports.
Lift out the radiator and cooling fan assembly.
Remove the 2 lower radiator supports.

REMOVE ELECTRIC COOLING FAN FROM RADIATOR

Disconnect the radiator reservoir hose from the radiator.
Remove the 6 bolts and electric cooling fan.

INSTALLATION

INSTALL ELECTRIC COOLING FAN TO RADIATOR

Install the electric cooling fan with the 6 bolts. Torque: 5 Nm (50 kgf.cm, 44 inch lbs.)
Connect the radiator reservoir hose to the radiator.

INSTALL RADIATOR AND ELECTRIC COOLING FAN ASSEMBLY

Install the 2 lower radiator supports to the radiator.
Attach the 2 lower radiator supports on the radiator to the body bracket.
Install the radiator and electric cooling fan assembly with the 2 upper radiator supports and 2 nuts. Torque: 13.5 Nm (135 kgf.cm, 10 ft. lbs.)
Connect these parts:

Upper radiator hose to radiator
Lower radiator hose to radiator
ECM outlet duct to ECM box
Wire for electric cooling fan to clamp on electric cooling fan
2 electric cooling fan connectors
ECT switch connector for electric cooling fan
2 oil cooler hoses for A/T to radiator

INSTALL AIR CLEANER ASSEMBLY
INSTALL AIR CLEANER INLET
FILL WITH ENGINE COOLANT
START ENGINE AND CHECK FOR ENGINE COOLANT AND A/T FLUID LEAKS
INSTALL ENGINE UNDER COVER

Tiny Answered by ASEMaster6371 (expert)
24,845 answers provided
Replied on March 22, 2013

Thank you

Tiny Response from airsoven
5 questions asked