NOTE: Before performing further diagnostic procedures, check the transmission fluid level. For additional information, refer to: Checking the Transmission Fluid Level (308-03 Manual/Transaxle Transaxle, General Procedures).
| Sign of malfunction | Possible reason | Action |
| Requires significant effort to downshift or synchronizer noise | Check the gearshift mechanism for integrity and correct installation. If the timing is incorrect, install a new transmission. Refer to the new module/component installation note at the top of the DTC Index. | |
| While driving, the engaged gear spontaneously disengages | Install a new transmission, refer to the new module/component installation note at the top of the DTC Index | |
| Difficult operation of the gear shift lever (tight or partially jammed) | Check and install a new control arm bearing if necessary. Check the cables and shift mechanism for integrity and proper installation. If internal components are suspected, install a new transmission, refer to the new module/component installation note at the top of the DTC Index | |
| Brief creaking noise when shifting gears | Insufficient gear synchronization | Install a new transmission, refer to the new module/component installation note at the top of the DTC Index |
| Gearbox housing leak | Check and repair breather leaks, fill/drain holes, seals and clutch hydraulics | |
| Clicking sounds when engaging reverse gear | Damage to gear teeth | Install a new transmission, refer to the new module/component installation note at the top of the DTC Index |
| Grinding gears when shifting gears | Check and top up transmission fluid. Check for proper clutch operation. If selector fork or synchronizer rings are suspected, install a new transmission, refer to the new module/component installation note at the top of the DTC Index | |
| Noises in forward gears | Check and top up transmission fluid. Ensure that the engine/transaxle assembly does not contact the chassis/body. Tighten the engine/transaxle flange bolts to the specified torque. For additional information, refer to: Specifications (308-00 Manual/Transaxle Transaxle and Clutch - General Information, Specifications). If input or output shaft bearing failure is suspected, install a new transmission, refer to the new module/component installation note at the top of the DTC Index | |
| Spontaneous gear disengagement | Repair or install a new engine/transmission mount cushion. Check the shift mechanism for proper installation and adjustment. If internal components are suspected, install a new transmission, refer to the new module/component installation note at the top of the DTC Index | |
| Unable to engage one of the gears (in particular, reverse) | Check the transmission shift mechanism for proper installation and adjustment. If internal components are suspected, install a new transmission, refer to the new module/component installation note at the top of the DTC Index | |
| Unable to engage first and second gear (third, sixth and reverse work fine) | The selector pin in the gear shifter (inside the gear shift mechanism) is broken | Install a new internal transmission shift mechanism (do not install a new transmission assembly) |
| Excessive free play in the gear shift lever mechanism | Check and install new gear shift lever bearing and cables if necessary | |
| Clutch slippage | Check the clutch pedal for sufficient clearance and no sticking. Check and, if necessary, install a new pressure and driving clutch disc. Check the integrity of the flywheel. Check and, if necessary, install a new slave cylinder | |
| Clutch vibration or jerking | Check the integrity of the engine mounts. Check the integrity and absence of contamination of the clutch components. Check the condition of the flywheel. Repair the malfunction or replace the components | |
| Clutch grabbing (difficult gear shifting) | Check the level and top up if necessary the hydraulic fluid, check the hydraulic system for leaks. Check the clearance and clutch travel. Check the integrity of the clutch, ensure free movement of the drive disk on the splines of the input shaft | |
| Clutch pedal pulsation | Check the clutch pedal free play on the axle. Check the integrity of the clutch pressure plate, clutch release bearing and flywheel |
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