Check the level of the transmission fluid every 3,000 miles and replace it every 18,000 miles (24,000 miles 1974 models, 25,000 miles 1975-77 models, and 30,000 miles 1978-82 models). It is important that these figures be adhered to, in order to ensure a long transmission life. The procedures for checking the oil are given as follows:
Start the engine and allow to idle for a few minutes. Set the handbrake and apply the service brakes. Move the gear selector through all ranges.
With the engine still running, the parking brake on and the wheels blocked, place the selector in Neutral. Remove and clean the transmission dipstick. Insert the dipstick fully, remove it and take a reading. The dipstick has two ranges.
- COLD The fluid level should fall in this range when the engine has been running for only a short time.
- HOT The fluid level should fall in this range when the engine has reached normal running temperatures.
- Replenish the fluid through the filler tube with type F fluid for all models. Add fluid to the top of the COLD or HOT range, depending upon engine temperature.
DRAIN & REFILL
Change the fluid in the automatic transmission every 18,000 (1970-73), 24,000 miles (1974), 25,000 (1975-77), 30,000 miles (1978-82), or 25 months, whichever occurs first.
- Park the car on a level surface. Set the parking brake.
- Place a container, which is large enough to catch all of the transmission fluid, under the transmission oil pan drain plug. Unfasten the drain plug and allow all of the fluid to run out into the container.
- Check the condition of the transmission fluid. If it is burnt, discolored, or has particles in it, the transmission needs to be overhauled. Consult your local Toyota dealer.
- Install the drain plug in the transmission oil pan. Be sure that it is tight enough to prevent leakage, but not tight enough to strip the threads.
- Fill the transmission through the filler tube, after removing the dipstick, with ATF type F transmission fluid.
It may be a good idea to fill to less than the recommended capacity (see the Capacities chart) as some of the fluid will remain in the torque converter.
- Start the engine and check the transmission fluid level, as outlined under Fluid Level Checks. Add fluid, if necessary, but do not overfill.