Diesel Data: Automotive Repair

Inspection

General Diagnostic Table
INSPECTION

General Diagnostic Table (Part 1):




General Diagnostic Table (Part 2):




General Diagnostic Table (Part 3):





CLUTCH

Clutch Pedal:





CLUTCH PEDAL

DIAGNOSTIC DIAGRAM OF CLUTCH DRAG
CHECK GEAR NOISE.
Start the engine.
Disengage the clutch and shift quickly from neutral to reverse in idling condition.
Is there any abnormal noise from the transmission gear?
YES
Go to next step.
NO
Clutch is normal.

CHECK GEAR NOISE.
Disengage the clutch at idle and shift from neutral to reverse within 0.5 - 1.0 seconds.
Is there any abnormal noise from the transmission gear?
YES
Go to next step.
NO
Defective transmission or excessive clutch drag torque. Inspect the pilot bearing, clutch disc, transmission and clutch disc hub spline.

CHECK GEAR NOISE.
Disengage the clutch at idle and shift from neutral to reverse within 0.5 - 1.0 seconds.
With the clutch disengaged, shift from N to R, R to N several times.
Is there any abnormal noise from the transmission gear?
YES
Defect in clutch disengaging. Inspect the clutch disc, clutch cover, clutch release, and clutch pedal free play.
NO
Clutch and flywheel seizure. Inspect the clutch disc, spline of clutch disc hub.