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MARK VII AOD REMOTE TRANSMISSION FILTER INSTALL
Submitted by macx / 11-25-04

  

When rebuilding my transmission after the pump went out, I wanted to be sure to trap all possible contamination both during initial startup and normal operation.

I found a remote filter head locally for under $30. This particular one has the ports on the top, so I had to add elbows to get the hoses pointed in the right direction. I've seen ones with the ports on the side, but I would have had to order one and the ones I saw cost a little more.



The parts list is simple:

  • (1) remote filter head
  • (2) bushings to reduce the ports to 3/8 pipe
  • (2) 90 degree 3/8 pipe street el's
  • (2) 3/8 pipe by 5/16" push on hose fittings
  • (5) feet of 5/16" trans cooler rubber hose
  • (6) small worm drive hose clamps (I used clamps on the push on fittings, and 2 on each hose to cooler tube connection, for security. The 5/16" hose is not a real snug fit on the cooler lines.)
  • (3) ¼" by 1-1/2" bolts with washers, lock washers, and nuts to mount the filter head
  • (1) foot of ¼" vacuum hose
  • (2) ¼" plastic straight hose splice connectors pipe thread sealant or tape
I moved the fuel tank vapor canister and mounted the filter on it's bracket.




I had previously removed the filter airbox and installed a cold air intake, so had some extra room in that corner of the engine bay.

This picture shows the relocated canister. I just had to extend one ¼" vacuum hose. (The radiator hose is routed around behind the alternator for hood clearance because I've swapped in a 351 which raises the alternator.)




The photo below shows the remote filter head mounted on the canister bracket. The bracket attaches to the bottom of the subframe with 2 bolts, so it is easily removed to mount the filter.




The lines are plumbed into the return lines so that the fluid going through the cooler is also filtered, removing anything that may have been previously trapped in the cooler.

I cut the return line (the bottom of the 2 lines) where it turns at the passenger side front of the engine and spliced in the filter hoses at that point.

The filter is mounted vertically so there is no spilling when changing the filter. It is in a protected but easily accessible location.

I used a Mobil 1 "High Efficiency" M1-301 oil filter which filters out smaller micron particles than average oil filters. This is a standard Ford Windsor V8 spin on filter.




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