| Symptom | Problem | Solution |
|
Low Oil Pressure
| Low crankcase oil level. |
Fill crankcase to proper
oil level.
|
| |
Faulty pressure sensor.
|
See your John Deere
dealer.
|
| |
Clogged oil cooler or filter.
|
Replace filter or see
your John Deere dealer.
|
| |
Excessive oil temperature.
|
Inspect and clean oil
cooler. See your John Deere dealer.
|
| |
Defective oil pump.
|
See your John Deere
dealer.
|
| |
Incorrect oil.
|
Drain crankcase and
refill with correct oil.
|
| |
Oil pressure regulating valve failure.
|
See your John Deere
dealer.
|
| |
Clogged oil pump screen or cracked pick-up tube.
|
See your John Deere
dealer.
|
| |
Excessive main or connecting rod bearing clearance.
|
See your John Deere
dealer.
|
|
Excessive Oil Consumption
| Too low viscosity crankcase oil. |
Drain crankcase and
refill with correct viscosity oil.
|
| |
Crankcase oil level too high.
|
Drain oil until oil
level is correct.
|
| |
External oil leak(s).
|
Determine source of
oil leak(s) and repair as required.
|
| |
Oil control rings not seated.
|
See your John Deere
dealer.
|
| |
Oil control rings worn or broken.
|
See your John Deere
dealer.
|
| |
Scored cylinder liners or pistons.
|
See your John Deere
dealer.
|
| |
Worn valve guides or stems.
|
See your John Deere
dealer.
|
| |
Piston ring grooves excessively worn.
|
See your John Deere
dealer.
|
| |
Piston rings sticking in ring grooves.
|
See your John Deere
dealer.
|
| |
Insufficient piston ring tension.
|
See your John Deere
dealer.
|
| |
Piston ring gaps not staggered.
|
See your John Deere
dealer.
|
| |
Front and/or rear crankshaft oil seal faulty.
|
See your John Deere
dealer.
|