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Troubleshooting any issues with your Chevy S10s transmission should be done immediately when the problem develops. A lot of the time, many transmission problems, including noise and shifting issues, can be solved by simply swapping out the worn transmission fluid for a high-quality, synthetic replacement.
Clutch
If your Chevy S10 is equipped with a manual transmission, a common malfunction is clutch wear. This happens when the clutch plate wears down over time, not allowing a proper connection between the engine and transmission. Signs of a slipping clutch are inconsistent clutch pedal feel, clutch slippage upon acceleration or a burnt plastic smell from worn clutch components after normal driving.
Synchronizers
The Chevy S10 transmission features gear synchronizers, which match the speeds of different gears between shifts, allowing for a smooth operation of the transmission. Worn synchronizers may lead to harsh shifts or gear grinding. Excessive transmission whine under acceleration is another sign of worn synchronizers.
Cylinders
The Chevy S10 features a hydraulic transmission. Hydraulic transmissions incorporate a hydraulic fluid system to operate the clutch assembly. Malfunctioning clutch hydraulic cylinders will not hold adequate pressure, and may leak clutch fluid. This can lead to a soft and inconsistent clutch pedal feel, as well as improper clutch disengagement when pushing in the clutch pedal.
