Operation CHARM: Car repair manuals for everyone.
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

Engine Block Heater: Service and Repair

Engine Block Heater Replacement
Removal Procedure





1. Unclip the heater wire harness from the headlamp tab (1).
2. Unclip the heater wire harness below the on the outside of the battery (2).





3. Unclip the heater wire harness from the main wire harness.





4. Unclip the heater cartridge from the engine block.

Installation Procedure





1. Fully seat the heater cartridge against the engine block and ensure the retaining clip snaps in place. The final orientation of the wire harness should be in the 3 o'clock position. Turn the retaining clip 90° from the wire harness to the 12 o'clock position.





2. Ensure the wire harness cartridge plug is fully seated onto the cartridge.
3. Ensure the main wire harness clip is fully seated.
4. Route the heater wire harness as shown.





5. Tuck the heater wire harness below the junction box on the outside of the battery.
6. Tuck the 110V heater plug in the space in between the battery and headlamp assembly (1).
7. Clip the heater wire harness on the outside of the battery (2).
8. Ensure that the 110V plug tie-strap securely holds the wire bundle and the protector cap is fully seated on the plug.