I had the tranny rebuilt and put a deeper pan on the thing along with Amsoil trans fluid. I put in an Isspro temperature gauge but I am not sure the thing works. When I brought the truck home it read 150deg. This was right after the tranny guy had finished testing everything.<br><br>Since then the temps have been in the 30's and the **** gauge never moves off the 140 deg mark (lowest reading). I have only taken trips of 30 minutes or less, but is the cooling that efficient. I have not had a chancve to run it down the road for any distance. What kind of empty truck temps do others see? COncerned that the gauge is not working and don;t want to take everything apart again to remove it.<br><br>Don M.<br>97 2500 automatic

 

Did you install the sender into the pan or the out cooler line ??

 

Since the temps are so low around me... mine barely moves as well... unless i'm poking along thru the neighborhood and backing into the drive, then I see it go up. It's probably working fine, just wait until it warms up a little bit.<br><br>Tony

 

The sendor is in the pan. <br><br>thanks!

 

I had the gauges installed a month ago. I to thought their was a problem with the trans temp guage not working. It really will not move over 140 unless you are towing, in stop and go traffic for some time, or you are in town waiting at several traffic lights. I was in bad traffic coming back from skiing and the gauge moved up to about 170 at the most but once you start moving even slowly it dropped back down to 140. Good tranny cooler.

 

Mine will not pass the 150 mark unless I'm towing or in stop and go traffic. I think it is working just fine. <br>Big dawg

 

I did the traffic and idle test (got stuck behind an accident) and after 30 minutes of crawling it finally got to 150 so I think things are okay. sometimes I hate the paranoid feeling of all the install work and something not working.<br><br>Thanks for all the replies,<br>Don M.

 

Put some winter fronts on it and drive down the street... it should shoot up real fast... ;D and your trip computer will show it being about 70* outside... :<br><br>Tony

 

Quite normal for sender in the pan (just like mine is, right now). It has been suggested that in-the-line mounting is the only true way to see what temps your clutches are seeing.<br>I'll probably be moving mine sometime.

 

Putting the sensor in the tranny cooler out line is the truest measure of the hottest fluid temps...and allows you to take action before any damage is done...the pan sensor is not a true reading of how hot the tranny gets since its mixed with fluid thats been cooled so you need to compensate for this

 

I agree with pappyman on the pan as not being the optimum place for the sensor to be located. It may be easier to place it there, but you will never really know how hot those clutches are getting. <br><br> A &quot;false reading&quot; will occur because the sensor sees the hot fluid mixed with the cooler fluid returning to the transmission. <br><br> You could have a temperature of 220 coming off the clutches destroying the fluid and only read 170 in the pan.<br><br> IMHO that is worse than NO Gauge, as it gives you a false sense of security allowing you to overwork the transmission's capability and the life of the fluid.<br>

 

I'll make it three in a row!<br> I'm with pappyman and Top. I put my temp probe in the hot-line-out so that it reads the fluid temp before it reaches the Trans-Fluid-Heat-Exchanger. You would be suprised at how much the temps go up and down with driving conditions. It took less than $10.00 worth of compression fittings and a brass &quot;T&quot; from NAPA and an hour or so to install.<br> NO problems so far and I'm real confident with it's reliability. ;D