Manual Transaxle Symptom Diagnosis
MANUAL TRANSAXLE SYMPTOM DIAGNOSIS
| Condition | Possible Cause | Action |
|---|---|---|
| Gears slipping out of mesh | Worn shift fork shaft | Replace shift fork shaft: See GEAR SHIFT SHAFT AND FORK COMPONENTS . |
| Worn shift fork or synchronizer sleeve | Replace shift fork or synchronizer sleeve
. Shift fork: See GEAR SHIFT SHAFT AND FORK COMPONENTS . Input shaft: See INPUT SHAFT DISASSEMBLY AND REASSEMBLY . Countershaft: See COUNTERSHAFT DISASSEMBLY AND REASSEMBLY . |
|
| Weak or damaged gear locating springs | Replace gear locating spring: See GEAR SHIFT AND SELECT SHAFT ASSEMBLY REMOVAL AND INSTALLATION . | |
| Worn bearings on input shaft or countershaft | Replace input shaft bearing or countershaft bearing
. Input shaft bearing: See INPUT SHAFT DISASSEMBLY AND REASSEMBLY . Countershaft bearing: See COUNTERSHAFT DISASSEMBLY AND REASSEMBLY . |
|
| Worn chamfered tooth on sleeve and gear | Replace synchronizer sleeve and gear
. Input Shaft: See INPUT SHAFT DISASSEMBLY AND REASSEMBLY . Countershaft: See COUNTERSHAFT DISASSEMBLY AND REASSEMBLY . |
|
| Hard shifting | Inadequate lubricant | Replenish manual transaxle oil: See MANUAL TRANSAXLE OIL CHANGE . |
| Improper clutch pedal free travel | Replace clutch operating cylinder or master cylinder Clutch operating cylinder: See CLUTCH OPERATING CYLINDER ASSEMBLY REMOVAL AND INSTALLATION . Clutch master cylinder: See CLUTCH MASTER CYLINDER REMOVAL AND INSTALLATION . |
|
| Distorted or broken clutch disc | Replace clutch disc: See CLUTCH COVER AND CLUTCH DISC REMOVAL AND INSTALLATION . | |
| Damaged clutch pressure plate | Replace clutch cover: See CLUTCH COVER AND CLUTCH DISC REMOVAL AND INSTALLATION . | |
| Worn synchronizer ring | Replace synchronizer ring
. Input Shaft: See INPUT SHAFT DISASSEMBLY AND REASSEMBLY . Countershaft: See COUNTERSHAFT DISASSEMBLY AND REASSEMBLY . |
|
| Worn chamfered tooth on sleeve or gear | Replace synchronizer sleeve and gear
. Input Shaft: See INPUT SHAFT DISASSEMBLY AND REASSEMBLY . Countershaft: See COUNTERSHAFT DISASSEMBLY AND REASSEMBLY . |
|
| Worn select lever bush | Replace select lever bushing: See GEAR SHIFT AND SELECT SHAFT ASSEMBLY COMPONENTS . | |
| Distorted shift shaft | Replace shift shaft: See GEAR SHIFT SHAFT AND FORK COMPONENTS . | |
| Broken gear shift/select control cables | Replace gear shift and select cable: See GEAR SHIFT CONTROL LEVER AND CABLE REMOVAL AND INSTALLATION . | |
| Noise | Inadequate or insufficient lubricant | Replenish manual transaxle oil: See MANUAL TRANSAXLE OIL CHANGE . |
| Damaged or worn bearing(s) | Replace bearing
. Input Shaft: See INPUT SHAFT DISASSEMBLY AND REASSEMBLY . Countershaft: See COUNTERSHAFT DISASSEMBLY AND REASSEMBLY . |
|
| Damaged or worn gear(s) | Replace gear
. Input Shaft: See INPUT SHAFT DISASSEMBLY AND REASSEMBLY . Countershaft: See COUNTERSHAFT DISASSEMBLY AND REASSEMBLY . |
|
| Damaged or worn synchronizer parts | Replace synchronizer parts
. Input Shaft: See INPUT SHAFT DISASSEMBLY AND REASSEMBLY . Countershaft: See COUNTERSHAFT DISASSEMBLY AND REASSEMBLY . |