Q:

What are the specifications of the TH700R4 automatic transmission?

A:

Introduced in the model year of 1982, the GM TH700R4 is a four-speed automatic transmission in an aluminum die-cast case. The transmission remained in production until 1993 and saw several changes and improvements, such as the introduction of electronic controls and solenoids and an increase in the number of splines in the input shaft from 27 to 30.

GM introduced the Turbo-Hydramatic (TH) 700R4 automatic transmission in 1982 Chevrolet vehicles, replacing three-speed models in trucks and larger cars. It came in models that could be bolted onto small block or big block engines. In addition, the transmission was available in two-wheel and four-wheel drive versions. The gearing of the 700R4 is 3.06 for first, 1.63 for second, 1.00 for third, 0.70 for fourth and 2.29 for reverse gear.


Is this answer helpful?

Similar Questions

  • Q:

    How does an automatic transmission work?

    A:

    An automatic transmission works by using a system of planetary gears that lock and unlock to accomplish gear changes. Automatic transmissions use a torque converter, rather than a clutch, to disconnect the transmission from the engine when the car is coming to a stop.

    Full Answer >
    Filed Under:
  • Q:

    What makes an automatic transmission whine?

    A:

    There are several reasons why an automatic transmission makes a whining sound. The transmission pump makes this sound as pressure increases with rotational speed. This occurs while stationary and increases as the vehicle accelerates. A clogged transmission filter creates a similar sound to a whining pump. If the vehicle is low on transmission fluid, it can also cause a whining sound, accompanied by gear shifting problems and other habitual issues.

    Full Answer >
    Filed Under:
  • Q:

    What is an automatic transmission valve body?

    A:

    An automatic transmission valve body is a major component of a vehicle's automatic transmission system and directs pressurized transmission fluid to a network of valves that engage appropriate clutch packs for smooth gear shifting. These valves use pressure as hydraulic signals to determine which gear set, also called band servo, to select when the vehicle changes speed.

    Full Answer >
    Filed Under:
  • Q:

    What is an automatic transmission solenoid?

    A:

    A transmission solenoid is an electrically operated valve present in automatic-transmission vehicles. The valve controls the flow of fluid in and throughout the automatic transmission.

    Full Answer >
    Filed Under:

Explore