Intermittent Knocking Noise On engine Idling

 

Model: Sonata (NF)

Year model: 2006

Displacement: 2400cc

Mileage: 124803 km

Fuel: Gasoline

A/T: manual

1) Condition:

1. engine knocking noise on starting.
2. intermittent knocking noise on engine idling

2) Cause:

1. Clutch flywheel

3) Diagnosis:

= Intermittent knocking noise due to the clutch flywheel excessive clearance.this noise the as engine knocking noise but the only different is engine is running then the problem occurs, push the clutch the problem immediately disappear.

4) Repair Guide:

• pull down manual tramission and replace flywheel.

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