2004 Bombardier Outlander 330/400 Factory Service Manual, Page 61Get this manual
Section 03 ENGINE Subsection 02 (TROUBLESHOOTING)
LUBRICATION
SYMPTOM CONDITION TestInspection LOW OR NO OIL PRESSUREHIGH OIL CONSUMPTIONNORMAL USE1Check oil level and search for leakage on crankcase andor defective sealsaCrankcase is leaking due to damageRebuild engine with new crankcase and gasket partsUse high quality oil (refer to TECHNICAL DATA)bCrankcase is leaking due to loose screwsRetighten screws with recommended torquecSealing rings, O-rings andor gaskets are brittle andor hard or damagedReplace damaged partsdPiston rings worn out (blue-colored engine exhaust emission)Replace piston rings (refer to CYLINDER AND HEAD)ePiston rings are broken (low compression and blue-colored engine exhaust emission)Replace piston rings (refer to CYLINDER AND HEAD)fValve stem seal damaged andor sealing lip is hard andor brittleReplace all valve stem seals2Check oil filter for contaminationaOil filter cloggedReplace oil filter and oil at the same timeUse high quality oil (refer to TECHNICAL DATA)3Check oil pressure regulator valve (spring) functionaValve spring damaged (valve always open)Replace springbValve stays open in crankcase PTO due to contamination (metallic particles)Clean andor repair valve piston4Check oil drain plug on engine bottomaPlug is loosed andor gasket ring is missingRetighten the plug andor place gasket ring5Check oil strainer on engine bottomaScrew(s) is (are) loosed andor gasket is damaged, brittle or hardRetighten screw andor replace gasketbOil strainer is clogged due to contaminationClean or replace strainer and diagnose causesReplace possible damaged partsUse high quality oil (refer to TECHNICAL DATA)6Check leak indicator hole for oil leaks (water pump housing area MAG side)aOil leaking from leak indicator hole means damaged oil seal inside magneto cover on water pump shaftReplace both rotary seal and oil seal (refer to COOLING SYSTEM and MAGNETO SYSTEM)7Check oil pressure switch functionaOil pressure switch damagedReplace oil pressure switch