ODES UTV Desertcross 1000cc-3, Maintenance Manual

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11. TROUBLESHOOTING
11-
4
10. Check engine oil strainer in crankcase.

Oil strainer is clogged due to contamination.
Clean or replace strainer and diagnose causes.
Replace possible damaged parts (refer to bottom end).
Symptom: OIL CONTAMINATION (white appearance)
1. Check leak indicator hole (in crankcase MAG side-water pump housing area) if water
and oil leaks.

Leakage of oil/water mixture from indicator bore means damaged water pump
seal ring and rotary seal. Replace sealing ring, rotary seal and change oil, oil filter
and/or coolant (refer to lubrication system, cooling system and bottom end).
2. Check cylinder head and/or cylinder base gasket..

Gasket damaged or leaking.
Retighten cylinder head with recommended torque and/or replace gasket.
3. Check tightening torque of cylinder head screws.

Screws not properly tightened.
Retighten screws to recommended torque and replace oil.
4. Check oil for particles (may indicate possible engine internal damages).

Oil contamination due to metal or plastic particles.
Replace possibly damaged part(s) including oil and oil filter.
Use recommended oil (refer to technical specifications).
CYLINDER AND HEAD
Symptom: UNUSUAL ENGINE NOISE AND/OR VIBRATION
1. Check noise coming from cylinder head area.

Improper valve clearance adjustment.
Readjust valve clearance and/or replace defective part(s).

Faulty chain tensioner. Replace spring and/or mechanism.

Chain guide worn out. Replace chain guide.

Stretched chain and/or worn out sprockets. Replace chain and sprockets.

Sprocket screws got loose. Retighten screws with recommended torque.

Rocker arm(s) is (are) worn out (valve adjustment).
Readjust valve clearance and/or replace rocker arm(s).

Incorrect camshaft timing adjustment.
Replace damaged components and readjust camshaft timing
(refer to cylinder and head).
Symptom: OIL CONTAMINATION ON CYLINDER AND/OR HEAD
1. Check screws for torque.

Loose screws. Retighten screws with recommended torque.

Gaskets are brittle, hard, worn out or otherwise damaged.
Replace damaged gaskets, O-rings or the V-ring on breather.