Symptom Diagnosis
WARNING: This page is about a different car, the 2002 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM DIAGNOSIS (F150)
| Symptom | Possible Cause | Perform Test |
|---|---|---|
| Clutch Slippage | Clutch Pedal Sticking, Plate Diaphragm Spring Damaged Or Weakened, Clutch Plate Damaged, Clutch Disc Facing Damaged Or Worn Excessively, Clutch Disc Facing Surface Hardened Or Oil Coated, Clutch Release Hub & Bearing Binding Or Flywheel Glazed Or Damaged. | PINPOINT TEST A |
| Clutch Chatter Or Shudder | Engine/Transmission Mount Loose Or Damaged, Oil On Clutch Disc Facing, Clutch Plate Damaged Or Excessive Runout, Clutch Disc Facing Surface Hardened Or Damaged, Flywheel Surface Glazed Or Damaged, Transmission Input Shaft Eccentric Or Not Perpendicular Or Pilot Bearing Worn Or Damaged. | PINPOINT TEST B |
| Clutch Pedal Feels Spongy Or Has Excessive Travel. Clutch Will Not Disengage | Insufficient Clutch System Fluid, Leakage Of Clutch System Fluid Or Air In Hydraulic System. | PINPOINT TEST C |
| Clutch Drag & Hard To Shift | Insufficient Clutch System Fluid, Leakage Of Clutch System Fluid, Air In Hydraulic System, Excessive Runout Or Damaged Clutch Disc, Clutch Disc Splines Rusted Or Worn Or Pilot Bearing Worn Or Damaged. | PINPOINT TEST D |
| Clutch Pedal Pulsation | Clutch Disc Damaged Or Worn, Excessive Flywheel Runout. | PINPOINT TEST E |
| Clutch Related Vibrations | Engine Component Grounding Against Frame, Loose Flywheel Bolts, Excessive Flywheel Runout, Unbalanced Clutch Plate, Accessory Drive Belt Loose Or Damaged Or Pilot Bearing Worn Or Damaged. | PINPOINT TEST F |
| Binding (Difficult Shift Lever Movement) | Insufficient Clutch System Fluid, Damaged Clutch Slave Cylinder Or Transmission Concern. | PINPOINT TEST G |
| Excessive Noise | Clutch Slave Cylinder Assembly, Pilot Bearing Worn Or Damaged, Excessive Crankshaft End Play Or Clutch Plate & Clutch Disc. | PINPOINT TEST H |
SYMPTOM DIAGNOSIS (F250-F550)
| Symptom | Possible Cause | Perform Inspection | ||
|---|---|---|---|---|
| Clutch Slippage | Clutch Pedal Binding, Clutch Plate Diaphragm Spring Weakened/damaged, Clutch Plate Worn/damaged, Clutch Disc Facing Worn Excessively/damaged, Clutch Disc Facing Surface Hardened Or Oil Coated, Clutch Release Hub & Bearing Binding Or Flywheel Glazed/damaged. | CLUTCH SLIPPAGE | ||
| Clutch Chatter Or Shudder | Engine/Transmission Mount Loose/Damaged, Bolts Retaining Clutch Plate To Flywheel Loose, Clutch Plate Worn/Damaged, Clutch Disc Facing Oil Coated, Clutch Disc Facing Hardened/Damaged, Clutch Disc Runout Excessive, Flywheel Surface Glazed/Damaged, Flywheel Runout Excessive Or Transmission Input Shaft Eccentric/Not Perpendicular | CLUTCH CHATTER OR SHUDDER | ||
| Clutch Drag | Insufficient Clutch Hydraulic System Fluid, Clutch Hydraulic System Fluid Leakage, Air In Clutch Hydraulic System, Clutch Plate Worn/Damaged, Clutch Disc Damaged, Clutch Disc Splines Rusted/Worn Or Clutch Disc Runout Excessive. | CLUTCH DRAG | ||
| Clutch Pedal Pulsation | Clutch Plate Worn/Damaged, Clutch Disc Damaged, Clutch Disc Runout Excessive Or Flywheel Runout Excessive. | (1) | ||
| Clutch Related Vibrations | Engine Component Grounding Against Frame, Accessory Drive Belt Loose/Damaged, Clutch Release Bearing Worn/Damaged, Bolts Retaining Clutch Plate To Flywheel Loose, Bolts Retaining Flywheel To Engine Loose, Flywheel Runout Excessive Or Clutch Plate Unbalance. | CLUTCH CHATTER OR SHUDDER | ||
| Hard Shifting | Insufficient Clutch Hydraulic System Fluid, Clutch Hydraulic System Fluid Leakage, Air In Clutch Hydraulic System, Clutch Not Releasing Or Transmission Concern. | HARD SHIFTING | ||
| Excessive Noise | Clutch Disc Damper Damaged, Transmission Input Shaft Pilot Bearing Worn/Damaged, Crankshaft End Play Excessive Or Release Bearing Worn/Damaged. | (1) | ||
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