trans temp gauge hook-up - TCCoA Forums
 
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post #1 of 11 (permalink) Old 11-13-2006, 09:20 PM Thread Starter
 
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trans temp gauge hook-up

i wanna hook my trans temp gauge into my trans line but i dont know excatly how to get it in the line? my trans isnt stock and it runs about 70-80 psi of line pressure so im assuming that splicing the line and using rubber hoses is out of the question. its an electric gauge so it has the sender. i was thinking a "T" fitting but i dunno how to get it connected to the trans line. help???
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post #2 of 11 (permalink) Old 11-13-2006, 09:58 PM
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Here is mine...



It is a 1/4 inch brass tee with a compression fitting on the hard line and a hose barb to the cooler. The temp sensor is threaded into the branch of the tee with a 1/4 to 1/8 bushing so that the fluid flow is not impeded. You could just as easily have compression fittings on both ends.
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post #3 of 11 (permalink) Old 11-13-2006, 10:32 PM Thread Starter
 
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awesome!! thats how ill do it then. thanx jp!!
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post #4 of 11 (permalink) Old 11-14-2006, 05:50 AM
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there is a easier way!!!!!!! there is actually a bung plug on the 4r70w, its on the driver side, you might have to look around for it, but my sensor i got with the trans guage threaded right in it, and then all i had to do was route a wire to it... ive had it like this for over 2 years now and had no problem... but this was on a 3.8L though!

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post #5 of 11 (permalink) Old 11-14-2006, 08:44 AM
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There's actually several 'bung plugs' on the 4R70W. Better know which one's what when doing that.

You can also have a bung welded in the tranny pan, some peeps like to read the temps there. When installing the temp sensor in-line, then there's the argument of where to put the sensor, before or after the cooler.

If you're real adventurous, you could use a flaring tool and appropriate fittings.
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post #6 of 11 (permalink) Old 11-14-2006, 06:35 PM Thread Starter
 
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which trans line did you install your "T" fitting in? top or bottom line?? im gonna install mine before the cooler because i think thats the most accurate, being straight out of the tranny. so which one is the line pumping to the cooler???
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post #7 of 11 (permalink) Old 11-14-2006, 08:54 PM
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I didn't trace mine to the tranny. I ran the car and determined the 'hot' line from the cold line. I then put a red nylon tie on the hot line and a blue nylon tie on the cold line.

FWIW I put the gauge in after the cooler. Different stroke for different folks.
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post #8 of 11 (permalink) Old 11-14-2006, 10:34 PM Thread Starter
 
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thanx JP
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post #9 of 11 (permalink) Old 11-15-2006, 08:10 AM
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On a 4R70W the coolant return line is the top line going into the transmission and the bottom line is the output line.

Currently In the Short Bus Garage:
2 - '94 T-bird LX's 4.6L (one with 300,000+ miles and one with 200,000+ miles)
1 - '97 Mark VIII LSC - INTECH V8 (120,000+ miles)
1 - '97 F150 XLT 4x4 Flareside, 4.6L (130,000+ miles) - Currently being dismantled and rebuilt with upgrades!
1 - '00 Mustang GT (likes to accelerate with the brake on!), 4.6L (60,000+ miles - only comes out when I need to get somewhere fast.)

oh yeah, and they all have 4R70W's
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post #10 of 11 (permalink) Old 11-15-2006, 08:48 AM
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when installing a trans cooler does it matter which end of the cooler itself is the input and which is the output? i see nothing that species it on the cooler and I would assume that it doesn't matter sense it is just a receptacle for fluid to flow through. also does orientation matter? by that i mean do i specifically have to have the fluid come in through the top or bottom? again I don't see why that would matter. thanks, Dave
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post #11 of 11 (permalink) Old 11-15-2006, 10:37 AM
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On the cooler itself, no

Currently In the Short Bus Garage:
2 - '94 T-bird LX's 4.6L (one with 300,000+ miles and one with 200,000+ miles)
1 - '97 Mark VIII LSC - INTECH V8 (120,000+ miles)
1 - '97 F150 XLT 4x4 Flareside, 4.6L (130,000+ miles) - Currently being dismantled and rebuilt with upgrades!
1 - '00 Mustang GT (likes to accelerate with the brake on!), 4.6L (60,000+ miles - only comes out when I need to get somewhere fast.)

oh yeah, and they all have 4R70W's
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