B2500 SX Regular Cab 2WD L4-2.5L VIN C (1999)
Engine Block Heater: Service and Repair
ENGINE BLOCK HEATER REMOVAL / INSTALLATION
1. Remove the radiator cap.
2. Disconnect the negative battery cable.
3. Raise the vehicle on a hoist.
4. Remove the air deflector.
5. Drain the engine coolant.
6. Remove in order shown in figure.
7. Install in the reverse order of removal.
Block Heater Cable Removal Note
Use door trim panel removing tool or equivalent to remove wiring from battery tray, inner fender, engine mount brackets and cylinder block.
Block Heater Removal Note
1. Make sure block heater electrical terminal is pointing to the 3 o'clock position before removing heater.
2. Loosen the screw.
3. Pry the block heater from the cylinder block.
4. Clean inside diameter of core plug hole machined surface and hole entrance. Remove any burrs at hole entrance to avoid damage to O-ring.