aux trans coolers

irish1371

irish1371

Member
ok throw out how ya liked your if you have used one. There are a lot of companies out there making them. I plan to mount it in front of the radiator and condenser. I would like about the largest one possible that will fit and work well. Getting tired of wearing boots so my feet don't burn while I go up hills.

The tunnel next to the gas pedal gets freaking hot. Wondering how much a 1" bl may help with this also- IF anyone has done that for heat reasons??

2006 lj auto 33" on 4" lift
 
You want one about 5-6 inches by 11-12 inches, otherwise you will block too much of the air trying to get to the radiator, I learned this the hard way. I have a few of them in the garage if you need one.
 
Black zj am I understanding correctly when you say you have a couple oil coolers in your garage? I'd be interested in one possibly
 
I'd be willng to bet the trans cooler isn't going to make a noticable difference in the temp of your feet... Not that I wouldn't install one, I just wouldn't expect much difference in tunnel temps. The body lift would probably be more effective in keeping your feet cool. Maybe even make a simple sheet metal heat shield between the trans and body...?

UFAB's idea is a good one... mount a cooler with a fan somewhere other than in front of your radiator, and it will be much more effective - and you aren't feeding the extra heat through your condenser and radiator.
 
I installed a Hayden 679 on my Tacoma after watching the trans temp get in the 280s on trails. The dummy light is supposed to come on at ~300 degrees.

It's about 11x11, and personally, a bit on the large side for a trans cooler, but that was all that was in stock at the local parts place and I didn't want to wait for it to come in the mail.

As far as cooling goes, minor difference in trans temp on the highway. Avg'd about 180s before, and now about 150s. Off highway (anything from paved mountain to rattlesnake) has been the biggest improvement, as it will only get in the mid 200s if I'm really pushing it for long durations. Most of the time its under 200s. The long steady uphill climbs are when I'll see the highest temps on, but that makes sense anyway.

I've seen no difference in water temp. The fan does work a bit more often now though, but its always in the thermostat range.

As far as helping to keep your feet cooler, I really dont think it'll help ya much though.
 
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