Dodge Durango

 Service Manual

Engine » Diagnosis and testing
Service diagnosis-lubrication

(a) Misaligned or damaged.

(b) Loose fasteners, broken or porous metal parts.

2. Crankshaft rear seal

3. Crankshaft seal flange.

Scratched, nicked or grooved.

4. Oil pan flange cracked.

5. Timing chain cover seal, damaged or misaligned.

6. Scratched or damaged vibration damper hub.

(a) Replace as necessary.

(b) Tighten fasteners, Repair or replace metal parts.

2. Replace as necessary

3. Polish or replace crankshaft.

4. Replace oil pan.

5. Replace seal.

6. Polish or replace damper.

2. Faulty oil pressure sending unit.

3. Low oil pressure.

4. Clogged oil filter.

5. Worn oil pump.

6. Thin or diluted oil.

7. Excessive bearing clearance.

8. Oil pump relief valve stuck.

9. Oil pump suction tube loose or damaged.

2. Replace sending unit.

3. Check pump and bearing clearance.

4. Replace oil filter.

5. Replace as necessary.

6. Change oil and filter.

7. Replace as necessary.

8. Clean or replace relief valve.

9. Replace as necessary

2. Carbon in oil ring slots.

3. Incorrect ring size installed.

4. Worn valve guides

5. Leaking intake gasket.

6. Leaking valve guide seals.

2. Replace rings.

3. Replace rings.

4. Ream guides and replace valves.

5. Replace intake gaskets.

6. Replace valve guide seals.