B2300 SE Regular Cab 2WD L4-2.3L VIN A (1997)
Engine Block Heater: Service and Repair
REMOVAL.
1. Disconnect the negative battery cable.
2. Drain the engine coolant.
3. Remove the block heater cable.
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Use door trim panel removing tool or equivalent to remove wiring from battery tray, inner fender, engine mount brackets and cylinder block.
4. Remove the block heater.
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Note the position that element is pointed (e.g., 6 o'clock, 12 o'clock) when removing heater.
INSTALLATION
1. Clean inside diameter of core plug hole machined surface and hole entrance. Remove any burrs at hole entrance to avoid damage to O-ring.
2. Cover rubber O-ring with a liberal coating of premium long-life grease or equivalent.
3. Insert heater in core plug hole in same position as it was removed and tighten to 1.6-1.8 Nm (14-16 inch lbs)
