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

Block Heater

Material:








Removal and Installation
1. With the vehicle in NEUTRAL, position it on a hoist.
2. Drain the engine cooling system.
3. Disconnect the block heater electrical connector.

4. CAUTION: Do not loosen the block heater retaining screw more than necessary for removal.

Loosen the block heater retaining screw and remove the block heater.
^ To install, tighten to 2 Nm (18 inch lbs.).

5. NOTE: Clean the engine block mating surface with metal surface prep. Follow the directions on the packaging.

To install, reverse the removal procedure.
^ Route the block heater power cable away from hot or rotating components, or damage to the cable can occur.