Jeep Cherokee (XJ): Service procedures
- Valve timing. Valve service. Piston fitting
- Piston ring-fitting
- Fitting connecting rod bearings. Fitting crankshaft main bearings. Form-in-place gaskets
- Engine performance. Honing cylinder bores. Repair damaged or worn threads
- Service engine assembly (short block). Hydrostatic lock. Engine oil service
Engine diagnosis-introduction
Engine diagnosis is helpful in determining the
causes of malfunctions not detected and remedied by
routine maintenance.
These malfunctions may be classified as eithe ...
Valve timing. Valve service. Piston fitting
Valve timing
Disconnect the spark plug wires and remove the
spark plugs.
Remove the engine cylinder head cover.
Remove the capscrews, bridge and pivot assembly,
and rocker arms from above the ...
Other materials:
Five volt sensor supplies-primary
and secondary. Fuel level sensor-pcm input. Engine coolant temperature
sensor-pcm input
Five volt sensor supplies-primary
and secondary
DESCRIPTION
Two different Powertrain Control Module (PCM)
five volt supply circuits are used; primary and secondary.
OPERATION
These 2 circuits will:
supply the required 5 volt power source to the
Crankshaft Position (CKP) sensor.
&n ...