Operation CHARM: Car repair manuals for everyone.
Home >> Ford >> 2010 >> Ranger 2WD V6-4.0L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Cylinder Block Assembly >> Engine Block Heater >> 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

Engine Block Heater: Service and Repair




Block Heater - 4.0L

Removal and Installation









1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Vehicle Jacking and Lifting.

2. Drain the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding - 4.0L Cooling System Draining, Filling and Bleeding.

3. Disconnect the block heater electrical connector.

4. NOTE: Do not loosen the screw more than necessary for removal.

Loosen the block heater screw and twist and slide the block heater to release the retainer clip. Discard the retainer clip and remove the block heater.

- To install, tighten to 4 Nm (35 lb-in).

5. To install, reverse the removal procedure.

pro multis · About Operation CHARM