12-1
GROUP 12 LUBRICATION
SPECIFICATIONS.............................................................................. 12-2
STRUCTURE AND OPERATION
1. Lubrication System ........................................................................... 12-3
2. Oil Pump ............................................................................................. 12-4
3. Oil Cooler ........................................................................................... 12-5
4. Full-flow Oil Filter ........................................................................ 12-6
5. Bypass Oil Filter ........................................................................... 12-7
6. Engine Oil Pressure Switch .............................................................. 12-7
7. Regulator Valve .................................................................................. 12-7
8. Lubrication of Engine Components ................................................. 12-8
TROUBLESHOOTING ...................................................................... 12-11
ON-VEHICLE INSPECTION AND ADJUSTMENT
1. Oil Filter Replacement ..................................................................... 12-12
2. Engine Oil Replacement ................................................................. 12-14
3. Oil Pressure Measurement ............................................................. 12-15
OIL PAN, OIL JETS ......................................................................... 12-16
OIL PUMP, OIL STRAINER ............................................................. 12-18
OIL FILTER ...................................................................................... 12-22
OIL COOLER ................................................................................... 12-24
REGULATOR VALVE ....................................................................... 12-26