


each filter change gives me about 12% clean fluid back into the transmission. Enjoy your new external transmission filter! I change the filter along with the oil change. Start the vehicle up and check for leaks. Granted this may not be a problem.but better safe then sorry.įill the filter up with fluid and install the filter on the mount.
HOW TO INSTALL TRANSMISSION COOLER LINE ON FORD EXPEDITION ZIP
Install hose around these lines and zip tie them in place. It is ok to use the tape on the sender because the threads on it will cut through the tape and make a good ground contact.Ĭrawl under the vehicle and as you will notice the transmission cooler lines have moved do to the addition of the adaptors and now in some places they rub together. I did not use Teflon tape on the sending unit at first until I discovered a leak. they will leak! next wire up the gauge according to the instructions included.īe sure the sending unit is grounded by running a wire from the filter mount to the firewall as you see in the picture below: Make sure your fittings are tight and have Teflon tape on them. Install the sending unit for the temp gauge into the housing if you got the appropriate kit. I chose to run them along the length of the radiator shroud. Secure the lines using zip ties, your ladies bra, dogs leash, the screw in wire keepers, whatever.

Install your adaptor fittings using Teflon tape and run your lines. And I used zip ties to secure the cover to the bracket on the fire wall to prevent the cover from popping off during driving. I used a piece of stainless steel behind the cover to strengthen it up where the mount bolts in. The easiest place for me was on the main battery fuse cover. Locate the appropriate place to mount the filter mount. Transmission Filter / Gauge Setup Diagram Make sure you have the filter installed the correct way! I wanted to see the hot side temperature. Some say use the return line as the temperature will be proof that the coolers are doing their job. You can find the outlet line when the truck is warmed up by feel, the outlet will be hotter. Next, find the transmission outlet and inlet cooler lines coming from the transmission.

Perma-Cool 10677 with trans temperature gauge or 10678 without, or equivalent remote filter kit.The ability to change roughly 12% of the fluid with each filter change.The ability to cut open the filter for inspections.So, why install an external transmission filter? This is for a 1998 Ford F-150 4.2 V6 2 wheel drive with a 4R70W automatic transmission and the towing package, however it would apply to all 4R70W equipped F-150’s (2WD or 4WD), from 1997-2003 and the process would be very similar for 2004-2013 trucks as well.
