Jeep Cherokee (XJ): Special tools
4.0L ENGINE
Disassembly and assembly. Cleaning and inspection. Specifications
Disassembly and assembly
CYLINDER BLOCK
DISASSEMBLY
Refer to the applicable sections for detailed
instructions.
(1) Drain the engine oil. Remove and discard the
oil filter.
(2) Remove the wa ...
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Other materials:
Fuel pump relay-pcm output. Idle air control (iac) motor-pcm
output. Radiator fan relay-pcm output
Fuel pump relay-pcm output
DESCRIPTION
The 5-pin, 12-volt, fuel pump relay is located in
the Power Distribution Center (PDC). Refer to the
label on the PDC cover for relay location.
OPERATION
The Powertrain Control Module (PCM) energizes
the electric fuel pump through the fuel pump relay.
T ...