Heater Core Replacement LHD
Removal Procedure
- Remove the HVAC module assembly. Refer to
HVAC Module Assembly Replacement.
- Remove the heater hose bracket screw.
- Remove the heater hose bracket (1).
- Slide the heater core out of the HVAC module assembly.
Installation Procedure
- Slide the heater core into the HVAC module assembly.
- Install the heater hose bracket (1).
Notice: Refer to Fastener Notice in the Preface section.
- Install the heater hose bracket screw.
Tighten
Tighten the screws to 1 N·m (9 lb in)
- Install the HVAC module assembly. Refer to
HVAC Module Assembly Replacement.
Heater Core Replacement RHD
Removal Procedure
Caution: Refer to Safety Glasses Caution in the Preface section.
- Recover the refrigerant. Refer to
Refrigerant Recovery and Recharging.
Important: Cover any opening of the A/C system with
a suitable cap or tape immediately, to prevent absorption of moisture from the atmosphere.
Important: Apply tape or blanking plugs to the heater
core pipes to contain any coolant left in the heater core, This is to avoid a coolant
spill onto the carpet during HVAC removal.
- Remove the HVAC module assembly. Refer to
HVAC Module Assembly Replacement.
- Remove the foam seal (1) from the heater core
pipes (2).
Important: The heater core pipe locating plate (1)
incorporates two guide pins (4) to locate the heater core pipe locating plate (1)
to the HVAC module assembly (3). Care must be taken not to damage the guide
pins (4).
- Remove the heater core pipe locating plate to HVAC module assembly retaining
screw (2).
- Remove the heater core pipe locating plate (1) from the HVAC module
assembly (3).
- Remove the heater core retaining plate to HVAC module
assembly retaining screw (3).
- Remove the heater core retaining plate (1) from the HVAC module
assembly (2).
Important: Carefully slide the heater core (2)
out of the HVAC module assembly (1).
- Remove the heater core (2) from the HVAC module assembly (1).
Installation Procedure
Important: Make sure that all the foam seals are fitted
when installing the heater core (2). If a foam seal is missing do not fit the
heater core (2).
- Install the heater core (2) into the HVAC module assembly (1).
- Install the heater core retaining plate (1)
to the HVAC module assembly (2).
Notice: Refer to Fastener Notice in the Preface section.
- Install the heater core retaining plate to HVAC module assembly retaining screw (3).
Tighten
Tighten the screw to 1 N·m (9 lb in).
Important: The heater core pipe locating plate (2)
incorporates two guide pins (4) to locate the heater core pipe locating plate (2)
to the HVAC module assembly (3). Care must be taken not to damage the guide
pins (4).
- Install the heater core pipe locating plate (2) to the HVAC module assembly (3).
- Install the heater core pipe locating plate to HVAC module assembly retaining
screw (1).
Tighten
Tighten the screw to 1 N·m (9 lb in).
- Install the HVAC module assembly. Refer to
HVAC Module Assembly Replacement.
- Refill the coolant system, Refer to
Cooling System Draining and Filling.
- Recharge the refrigerant Refer to
Refrigerant Recovery and Recharging.