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Synchronizers
The synchronizer is a drum or sleeve that slides back and forth on the splined…
Posted inAutomotive Transmission
Transmission Gears
Transmission gears can be classified into four groups—input gear, countershaft gears, main shaft gears, and…
Posted inAutomotive Transmission
Transmission Construction
Before understanding the operation and power flow through a manual transmission, you first must understand…
Posted inAutomotive Transmission
Manual Transmissions
A manual transmission (Figure 10-11) is designed with two purposes in mind. One purpose of…
Posted inAutomotive Transmission
Clutch Overhaul
When adjustment or repair of the linkage fails to remedy problems with the clutch, you…
Posted inAutomotive Transmission
Pedal Pulsation
A pulsating clutch pedal is caused by the runout (wobble or vibration) of one of…
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Abnormal Noises
Faulty clutch parts can make various noises. When an operator reports that a clutch is…
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Dragging
A dragging clutch will make the transmission or transaxle grind when trying to engage or…
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Grabbing
A grabbing or chattering clutch will produce a very severe vibration or jerking motion when…
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Slipping
Slipping occurs when the driven disc fails to rotate at the same speed as the…