Sequoia LTD 4WD V8-4.7L (2UZ-FE) (2001)
Heater Core Case: Service and Repair
Removal and Installation
REMOVAL
1. REMOVE COOLING UNIT
2. DRAIN ENGINE COOLANT FROM RADIATOR
HINT: It is not necessary to drain out all the coolant.
3. DISCONNECT WATER VALVE CONTROL CABLE FROM WATER VALVE
4. DISCONNECT WATER HOSES FROM HEATER RADIATOR PIPES
a. Using pliers, grip the claw of clip and slide the clip along the hose.
b. Disconnect the water hoses.
c. Remove grommet.
HINT: At the time of installation, please refer to the following items.
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Push the water hose onto the heater radiator pipe as far as the second ridge on the pipe.
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Install the hose clip in a position, as shown in the illustration.
5. REMOVE INSTRUMENT PANEL AND REINFORCEMENT
6. REMOVE DEFROSTER NOZZLE AND HEATER TO REGISTER DUCT
Access Cab, Standard Cab Shown
7. REMOVE HEATER UNIT
Remove the 3 screws and heater unit.