Sienna LE V6-3.0L (1MZ-FE) (1998)
Heater Core: Service and Repair
Rear Heater Unit
REMOVAL
1. 4-Door Models:
REMOVE REAR HEATER RADIATOR
a. Remove the rear A/C unit.
b. Remove the heater radiator.
1. Remove the screw and clamp.
2. Remove the screw and plate, then pull out the heater radiator.
2. 5-Door Models:
REMOVE HEATER RADIATOR
a. Remove the rear heater unit.
b. Remove the heater radiator.
1. Remove the 2 screws and 2 clamps.
2. Remove the screw and plate, then pull out the heater radiator.
INSTALLATION
Installation is in the reverse order of removal.