LUBRICATION SYSTEM DESCRIPTION .................................................... LU-2 TROUBLESHOOTING .......................................... LU-4 OIL PRESSURE CHECK ..................................... LU-4 REPLACEMENT OF ENGINE OIL AND OIL FILTER .............................................. LU-5 OIL PUMP ........................................................ LU-7 OIL COOLER AND RELIEF VALVE (7M-GTE) ............................................ LU-15