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Hi all, trying to install an external trans cooler and filter and just wanted to ask which line is the return line? If it helps, the diagram I saw when facing the vehicle had the smaller line on the left labeled pipe b, and the longer one of the right labeled pipe a. Thanks!
 

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Hi all, trying to install an external trans cooler and filter and just wanted to ask which line is the return line? If it helps, the diagram I saw when facing the vehicle had the smaller line on the left labeled pipe b, and the longer one of the right labeled pipe a. Thanks!
It would help to mention the year of your crv.
 

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Get 2 empty plastic milk jugs. Remove one tranny fluid line from th radiator and place the line end in one jug. Attach a rubber hose to the nipple on the radiator and place the other end in the other jug. Start the motor and let it run for 5 seconds, turn motor off. Check the plastic jugs.....then you will know the fluid flow direction.

Max tranny cooling will have tranny fluid flowing into/out of the radiator 1st, then to the auxiliary/secondary cooler you install.
 

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For an aftermarket cooler it doesn't really matter which one you tie into.

Sent from my SM-G950U using Tapatalk
 

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If you are bypassing the cooler in the engine radiator then yes, it doesn't matter which line on the aftermarket cooler you tie in to. HOWEVER, 2 coolers cool better than 1 cooler......that's why B & M Racing Transmissions recommends for max cooling installing a secondary/auxiliary tranny cooler after the radiator cooler.

Max cooling is achieved when hot fluid from tranny flows to cooler in the hot engine radiator, then from the engine radiator to secondary cooler, then back to the tranny.
 

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It doesn't matter either way (your spewing internet brand marketing crap again) as these aren't racecars nor are you going to try and tow 5000lbs cross country with the tiny transmission.

I deal with installing rebuilt transmissions all day every day for the last 15 years, don't try to debate this with me. MAXIMUM COOLING matters very little because it's a few degrees and over cooling a transmission can be a headache as well.

Sent from my SM-G950U using Tapatalk
 

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Certifiable.:Notagain::Notagain::Notagain::popcorn::popcorn::popcorn:

Something tells me the OP is capable of making his own choice/decision, regarding his tranny cooler install. If maximum cooling costs no more than the half a$$ method, I'll disregard bad advice/bad info and go for the max.

Why someone doesn't list all their talents in a signature, so they wouldn't have to re-type those talents each time they post, is beyond me.

Anytime you are ready, mods.......
 

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I did forget to give the option the matter of IIRC the return line is the one the inline mag filter is in. I know on gen 2s it is.

As for posting the info, maybe if you stopped spewing whatever junk you find on Google to try and think your correcting every post I make I wouldn't have to. People come to forums for useful information, not for some keyboard kids trying to play expert to cause them issues.

Sent from my SM-G950U using Tapatalk
 
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