Diesel Data: Automotive Repair

Pinpoint Test D: Clutch Pedal Pulsation




Manual Transaxle and Clutch

Pinpoint Tests

PINPOINT TEST D: CLUTCH PEDAL PULSATION

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D1 CHECK THE CLUTCH PEDAL PULSATION

- Start engine.
- With the transaxle in neutral, slowly press the clutch pedal.
- Does the clutch pedal pulsate while being pressed?

Yes
GO to D2.

No
VERIFY the customer concern. GO to Symptom Chart - Clutch if necessary. Symptom Chart - Clutch

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D2 INSPECT THE PRESSURE PLATE BOLTS

- Inspect the pressure plate-to-flywheel bolts.
- Are any of the pressure plate-to-flywheel bolts loose?

Yes
TIGHTEN or INSTALL new bolts. REFER to Clutch Service and Repair. TEST the system for normal operation.

No
GO to D3.

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D3 INSPECT THE CLUTCH PRESSURE PLATE

- Remove the clutch pressure plate. REFER to Clutch Service and Repair.
- Inspect the clutch pressure plate for wear or damage.
- Are there any signs of damage present on the clutch pressure plate?

Yes
INSTALL a new clutch pressure plate. REFER to Clutch Service and Repair. TEST the system for normal operation.

No
GO to D4.

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D4 INSPECT THE CLUTCH DISC

- Check the clutch disc for wear or damage.
- Is the clutch disc OK?

Yes
GO to D5.

No
INSTALL a new clutch disc. REFER to Clutch Service and Repair. TEST the system for normal operation.

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D5 INSPECT THE FLYWHEEL

- Inspect the flywheel for wear or damage.
- Is flywheel OK?

Yes
VERIFY the customer concern. GO to Symptom Chart - Clutch, GO to Symptom Chart - Transaxle, GO to Symptom Chart - NVH if necessary. Symptom Chart - Clutch Symptom Chart - Transaxle Symptom Chart - NVH

No
TIGHTEN, RESURFACE or INSTALL a new flywheel as necessary. TEST the system for normal operation.

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