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571433
571433
Heater Core Replacement
Removal Procedure
HVAC
1. Drain the engine coolant. Refer to· Draining and
Filling Cooling System (3.8 L) or Draining and
Filling Cooling System (5.
7
L) in Engine Cooling.
2.
Remove the heater hoses/pipes. Refer
to
Heater
Hose Assembly Replacement (3.8 L) or Heater
Hose Assembly Replacement (5.
7
L).
3. Remove the heater core tube clamp bolt.
4. Remove the heater core tube clamp.
5. Remove the heater core shroud seal.
6. Remove the heater rear case bolts (2).
7. Remove the heater rear case (4): ·
7.1. Slide the heater rear case (4) downward in
order to disengage the upper case clip.
7.2.
Remove the heater rear case.
8.
Remove the instrument panel (IP) compartment
door. Refer to Door Replacement - IP Storage
Compartment Door
9. Remove the heater core clamp bolt (3).
10.
Remove the heater core clamp.
11 . Remove the heater core ( 1).
Installation Procedure
1.
Install the heater core.
2. Install the heater core clamp.
Notice: Refer to Fastener Notice in Cautions and
Notices.
3.
Install the heater core clamp bolt.
Tighten
Tighten the heater core clamp bolt to
1.8 N·m (16 lb in).
4. Use the following steps in order to install the
heater rear case (4):
·
4.1 . Slide the heater rear case upward into
position until the upper clip engages.
4.2.
Engage the snap on the left edge of the
heater rear case to the distributor case.
4.3. Install the bolts to the heater rear case.
Tighten
Tighten the heater rear case bolts to
2.0 N-m (18 lb in).
5.
Install the heater core shroud seal.
6.
Install the heater core tube clamp.
7. Remove the heater core tube clamp bolt.
Tighten
Tighten the heater core tube clamp bolt to
2 N·m
(18 lb in).
8.
Remove the instrument panel (IP) compartment
door. Refer to Door Replacement - IP Storage
Compartment Door
9.
Install the heater hoses/pipes. Refer to Heater
Hose Assembly Replacement (3.8 L) or Heater
Hose Assembly Replacement (5.
7
L).
(
10.
Drain the engine coolant. Refer to Draining and
(
Filling Cooling System (3.8 L) or Draining and
Filling Cooling System (5. 7 L) in Engine Cooling.
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