2006 Automatic Transmission Cooler

[Deerhtr]

I just mounted the cooler in front of the radiator passenger side.
I was wondering where to route the lines and how it gets connected to the transmission?
Pic's would help too if anybody has any.

Thank you

[Hawk296]

The existing trans cooler lines should be connected into the radiator as that is where the OEM cooler is. I am not sure about the baja, but in other Subaru models they connect at the radiator on the drivers side, travel down the drivers side of the trans and connect to the hard lines on the transmission. If that is the case, it may be easier to put the cooler on the drivers side in front of the radiator. I would just route the lines in series so that you have two coolers. Take the return from the OEM cooler (in the radiator) and route it into the inlet of the new cooler, then take the outlet of the new cooler and run it back to the transmission hard lines.

This should give you the most efficient cooling as the OEM cooler will act as a pre-cooler and then it will get cooled further by the new cooler mounted out in front of the radiator.

[Hawk296]

I just looked it up... there should be two hoses, each connected to ports on the bottom of the radiator. The one on the passenger side is the ATF cooler inlet hose and should remain in place (this is the longer of the two hoses). The shorter hose connects on the bottom of the radiator on the driver's side. This is the outlet which goes back to the transmission. This will be a shorter hose as its closer to the pair of hard lines on the driver's side which go back to the transmission. This is the hose that needs to be re-routed to the inlet of the new cooler. After that, run the outlet of the new cooler to the hard line where the original rubber return line (shorter hose) connected.

Hope this helps.

[Deerhtr]

Excellent. Thank you for taking the time to help me.

[bulwnkl]

Personally, I'd suggest running it through the aftermarket cooler first, and the factory cooler/exchanger second. In this way, the initial heat load is completely removed from the factory cooling system. Plus, this also allows the factory cooler to remain an effective ATF heater (if you need it) for winter-time. This makes sure the ATF gets up to temp to control acid, activate the anti-wear additives, etc.