Trans. Temp query
Junior User
Joined: Mar 2002
Posts: 95
Likes: 0
From: Home Town
Trans. Temp query
I have installed a b&m trans temp guage and was wondering why the manufacturer would want the sender installed in the return line from the cooler instead of the output from the trans which in my small mind of limited experiance would seem to be a more accurate measurement of the actual trans. temperature. I am anxious to hear from wiser minds than mine.
Senior User
Joined: Oct 2001
Posts: 258
Likes: 1
From: Central Virginia
Trans. Temp query
Hi Syrnok, Ken here, the fliud coming from the trans. to the cooler is the hottest fliud in the system because it's from the converter. Heat produced by the converter is really about the only reason a cooler is needed. The temp. you would to keep an eye on is the fliud in the pan which is pumped out to lub channels, clutches and converter. A sending unit it the pan is the best place but fliud temp. in return line is the next best thing. I guess a sending unit and gauge on both sides would tell you how well your cooler is working.......Ken.
Elder User
Joined: Jun 1999
Posts: 940
Likes: 0
From: LAT 46.55501° & LON -122
Trans. Temp query
I have a single gage, but I can switch between three different senders; converter, return, and pan. I typically leave it on the converter which as stated above is always the hottest. It is interesting to watch the temperature change as the load changes while it is on the converter. On steep inclines, the temp will quickly jump from 160-225. However, if I was to only have one sender it would go on the pan also. I figure someday when I get tired of watching the two senders on the cooler lines, I will move one to the engine and the other to the rear axle and keep the third at the tranny pan.
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