POWERTECH™ 2.9 L OEM Diesel Engines - John Deere Industrial ...

TroubleshootingSymptom Problem SolutionExcessive Oil Consumption Too low viscosity crankcase oil Drain crankcase and refill withcorrect viscosity oil.Crankcase oil level too highExternal oil leak(s)Oil control rings worn or brokenScored cylinder liners or pistonsWorn valve guides or stemsExcessive oil pressurePiston ring grooves excessively wornPiston rings sticking in ring groovesInsufficient piston ring tensionPiston ring gaps not staggeredFront and/or rear crankshaft oil sealfaultyDrain oil until oil level is correct.Determine source of oil leak(s) andrepair as required.Replace piston rings. See your JohnDeere engine distributor or servicingdealer.Remove and inspect cylinders andliners; replace as required. See yourJohn Deere engine distributor orservicing dealer.Inspect and measure valve stemsand valve guides; repair as required.See your John Deere enginedistributor or servicing dealer.See High Oil Pressure.Remove and inspect pistons. Seeyour John Deere engine distributoror servicing dealer.Remove and inspect pistons. Seeyour John Deere engine distributoror servicing dealer.Remove and inspect pistons. Seeyour John Deere engine distributoror servicing dealer.Remove and inspect pistons. Seeyour John Deere engine distributoror servicing dealer.Replace oil seals. See your JohnDeere engine distributor or servicingdealer.Continued on next pageRG,RG34710,7600–19–30JUN97–2/350-15 060106PN=131