Operation CHARM: Car repair manuals for everyone.
Home >> Toyota >> 1998 >> Avalon XLS V6-3.0L (1MZ-FE) >> Repair and Diagnosis >> Heating and Air Conditioning >> Heater Core >> Service and Repair
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Heater Core: Service and Repair

REMOVAL
1. DRAIN ENGINE COOLANT

HINT: It is not necessary to drain out all the coolant.

2. REMOVE THESE PARTS:
a. Instrument panel
b. No.1 brace




3. REMOVE HEATER RADIATOR
a. Remove 2 screws and 2 clamps.
b. Remove the 2 screws and 2 clips, then disconnect the heater radiator pipes from heater radiator.
c. Remove 2 O-rings from heater radiator pipes.

HINT: At the time of installation, please refer to the following item.
Do not reuse 2 O-rings.

d. Pull out the heater radiator.

INSTALLATION
Installation is in the reverse order of removal.
pro multis · About Operation CHARM