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How-to

1994 Ford Bronco Transmission Cooler Install With Temp Sender

1994 Ford Bronco · Install · Hard

Documented by SuperMotors from Damon Haas’s photos

A B&M transmission cooler with a puller fan was mounted ahead of the radiator on home-made brackets on a 1994 Ford Bronco. The stock cooler lines were cut and re-plumbed through the new cooler, and a transmission temperature sender was added at a pressure port on the E40D for a pillar gauge.

  1. Step 1

    Start with the B&M cooler and its puller fan, chosen to address transmission overheating. Damon Haas notes it was expensive.

    cooler put on brackets. its a b&m with a puller fan. Expensive sucker. better fix my tranny overheating. (1994 Ford Bronco)

  2. Step 2

    Fabricate the mounting brackets and test fit one on the driver's side. Damon Haas made the brackets from 1/4 by 1.5 inch flat stock, bent the top of each one, and mounted them to the plastic behind the grill piece.

    One of the brackets being test fit on the drivers side. I made the brackets from 1/4 by 1.5 inch flat stock. bent the top and mounted it to… (1994 Ford Bronco)

  3. Step 3

    Paint the brackets, then install the cooler on them.

    painted brackets and installed cooler (1994 Ford Bronco)

  4. Step 4

    Check the installed cooler from the front and side before plumbing the lines.

    another shot of cooler (1994 Ford Bronco) and another (1994 Ford Bronco)

  5. Step 5

    Cut the stock cooler lines at the front of the vehicle, where the soft return section from the auxiliary cooler runs on the left and the hard line to the radiator cooler runs on the right. Damon Haas cut the hard line, ran a soft line and a piece of hard line to the bottom input of the new cooler, then ran a soft hose from the top port of the new cooler to the input side of the stock auxiliary cooler.

    here is where I cut the stock lines. the line on the left is the stock soft section return line that comes out of the auxilliary cooler. On… (1994 Ford Bronco)

  6. Step 6

    Install the transmission temperature sender for the pillar gauge at a pressure port on the E40D. Damon Haas reports the sender probably reads about 5 to 10 degrees hot from radiant heat but gives a good idea of transmission temperature, and that the cooler fan switches on at 160, which is close to the readings on the gauge.

    this is where I put the tranny temp sender for the pillar gauge. this is a pressure port on the E40D. It prolly reads about 5 to 10 degrees… (1994 Ford Bronco)

  7. Step 7

    The album's photos end here, with the cooler plumbed and the temperature sender installed. No further stages are documented.

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