How to Check the Transmission Fluid on a C4


The C4 transmission is an automatic transmission introduced by Ford Motor Company in 1964. Appearing in a variety of their vehicles, especially hot rods, it is most notable for its use as the original automatic transmission of the Ford Mustang. Transmission fluid in the C4 should be checked every one to two weeks when checking other fluids. This requires only a small amount of time and can potentially save a lot of money in repairs.

Things You'll Need

  • Rag
  • Park the car on a level surface. Checking the fluids while its on an incline leads to improper readings. Make sure the engine is cool. If the car has been driven recently, wait at least 30 minutes before checking the fluid levels. Heat causes the transmission fluid to expand, which also causes incorrect readings.

  • Pop the hood by pulling the hood-release lever under the steering panel. Push the hood up the rest of the way and raise the tension bar to hold it in place.

  • Locate the transmission dipstick in the engine. The location varies from vehicle to vehicle, but it is generally located between the battery and the air intake. Look in the owner's manual or contact the dealer for more specific information on location of the dipstick.

  • Remove the transmission dipstick by pulling it straight up. Wipe off the dipstick with a rag. Place it back in the tube and pull it out again. Look at the transmission level on the metal stick. It should be at least midway between the MIN and MAX lines. If it is below the halfway point, it needs to be refilled. Add 1/2 a quart at a time into the tube with a funnel.

Related Searches


  • "Ford: Mustang/Cougar 1964-73"; The Nichols/Chilton Editors; 1997
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