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Unread 08-16-2014, 04:39 PM   #1
HighandLow
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Quick Aux Trans cooler question

Just installed my trans cooler Hayden 404
I downloaded the b&m instructions just to use as a go by. B&M suggests flow from bottom to top when mounting on its side. Does it matter either way? Is top to bottom better?

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Unread 08-16-2014, 04:50 PM   #2
JIMBOX
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NOPE-bottom to top allows the tranny fluid pressure to force the fluid thru the cooler--

If you go top to bottom, airpockets form and cause tranny TRAUMA !

Good luck

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Unread 08-16-2014, 04:54 PM   #3
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Nice, thanks Jimbo you da man!
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Unread 08-16-2014, 05:04 PM   #4
JohnRodriguez
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the reason you do bottom to top is to push the air out of the cooler on start up. if you went from top to bottom, it will make a air pocket in the cooler.
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Unread 08-16-2014, 05:15 PM   #5
JIMBOX
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Thanx my friend-I readit in the Grapevine !


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Nice, thanks Jimbo you da man!
JIMBO
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Unread 08-16-2014, 05:19 PM   #6
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Thanks again to both of you. I did it as per B&M instructions. I'm just glad to be on the winning side of a 50/50 chance for once! I'm no mechanic and it took me less than two hours including a trip to oriely for better hose clamps than Hayden supplied. Easy and inexpensive upgrade.
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Unread 08-16-2014, 05:53 PM   #7
JIMBOX
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Sounds good-

Mine is a little more involved, I have a frame mounted (racing) finned aluminum cooler that feeds in the B&M type in front of the radiator-

My tranny has never got over 200° F, even on slow hill climbs/w trailer



Chryslers auto tranny cooling system is actually a tranny warmer

So anything you can do to help the cooling is great-

Good luck

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Unread 08-16-2014, 06:04 PM   #8
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I'd like to put a tranny oil temp gauge in like yours. Was that difficult DIY?
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Unread 08-16-2014, 06:32 PM   #9
JIMBOX
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If you've never wired temp transmitters and low voltage receivers before--it's difficult-


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I'd like to put a tranny oil temp gauge in like yours. Was that difficult DIY?
SunPro makes the tranny temp gauges 0 to 250 Degree 12VDC and also includes thermal/temp senders that you've gotta insert into either the tranny pan, or one of the coolant hoses-

It's not easy-

most guys nowadays use the superchip/phoneapp--whatever-

JIMBO
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