Corolla Wagon L4-107.5 1762cc 1.8L DOHC (7A-FE) (1993)
Heater Core: Service and Repair
1.
Remove cooling unit as described under Evaporator Core, Service and Repair.
2.
Drain engine coolant from radiator.
3.
Disconnect water hoses from heater core pipes.
4.
Remove pipe grommets.
5.
Remove instrument panel as described under Dash Panel Service.
6.
Remove instrument panel reinforcement No. 1 brace.
7.
Remove instrument panel reinforcement No. 2 brace.
8.
Remove duct heater to register No. 3.
9.
Remove front defroster nozzle.
10.
Remove heater unit.
11.
Reverse procedure to install.