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Most 3 speed manual transmissions without overdrive have 2 shafts, a mainshaft and a counter shaft or ( jackshaft). The main shaft is the shaft that the drive shaft is coupled to by a universal joint at the output of the transmission. When the transmission is in 3rd gear the output of the transmission is the same RPMs as the engine or the input of the transmission. So in 3rd gear or 4th gear in a 4 speed the mainshaft becomes as one from the input from the clutch to the output to the driveshaft
What else can I help you with?
What transmission components are splined to the main shaft?
Just the output shaft of the transmission.
Would a bad rear main seal leak transmission fluid?
No a rear main seal is the rear seal on the crank shaft of the engine. That portion of the engine is wear the crank shaft connects to the clutch and pressure plate (manual transmission) or where it connects to the torque convertor automatic transmission.
Can you turn a input shaft by turning an output shaft?
Manual transmission that is in gear-YES
What would cause a squealing sound after prematurely grinding a manual transmission truck into gear while accelerating?
main shaft bearing
When is a direct drive created in a manual transmission?
When the input shaft is locked to the intermediate/output shaft
The engine crankshaft and transmission input shaft are turning how many times faster than the transmission output shaft when a manual transmission is in first gear?
3,because the gear ratio in a manual transmission results is a gear ratio of about 3:1 for first gear.
How can you fix the fluid leak of a 1991 Jeep Wrangler manual transmission The leak seems to be from the drive shaft.?
The rear, or tail shaft, of a transmission has a seal around the output shaft. The drive shaft will have to be removed and the seal replaced.
What moves the a cars transmission?
The main shaft of the engine turns the flywheel, which turns the transmission.
What moves the cars transmission?
The main shaft of the engine turns the flywheel, which turns the transmission.
What causes the manual transmission output shaft seal to leak on a Toyota pickup?
most likely worn output shaft bushing worn
Did a 350 engine automatic is the same as manual?
Only difference is a bearing in the end of the cranksaft to support the input shaft of the manual transmission.
Where is the speed sensor on Nissan Frontier on a manual transmission?
The vehicle speed sensor is located at the top of the transmission tail shaft housing.
