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post #1 of (permalink) Old 12-17-2002, 01:06 PM
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Auto Tran Temp. Guage Question - Sender location

I just got an auto trans temp guage and it says the sender should be mounted through the pan in an area where it won't interfere with the "operation" of the transmission.

First off, I just stopped the pan from leaking and don't really want to take it off again. Can't I just cut the metal trans cooler line close to the transmission and use pipe fittings to put the guage "inline"?

If this won't work, where on the pan should I put the sender so as not to interfere with the "operation" of the transmisison?

Thanks
Shawn
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post #2 of (permalink) Old 12-17-2002, 01:53 PM
 
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Re: Auto Tran Temp. Guage Question - Sender location

I would put it on the coolers return line, if that one is too hot then youve got problems!

if you dont already have a larger external cooler, ad one!

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post #3 of (permalink) Old 12-17-2002, 02:33 PM
 
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Re: Auto Tran Temp. Guage Question - Sender location

I'd put it in the pan it's the only way to get a accurate reading there is a reason they say to put it there.
If you put it on the cooler lines it won't be a true reading and if its on the return line by the time it reads to hot the damage may allready be done.

If you just fixed the pan leak then you're allready good at it [img]images/graemlins/wink.gif[/img]and when you have it dropped put in a drain plug also and kill 2 birds with 1 stone.
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post #4 of (permalink) Old 12-17-2002, 03:04 PM
 
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Re: Auto Tran Temp. Guage Question - Sender location

I agree the sender in teh pan is the best!

but since he didnt want to do that I figured it was better to know what the temp is after the cooler than before, ideally youd have one on the return, and one on the send, you coudl ad a switch and toggle between the 2 and see how effective your cooler actually is.

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post #5 of (permalink) Old 12-17-2002, 03:09 PM
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Re: Auto Tran Temp. Guage Question - Sender location

1. I'd place the sensor for the gauge in the pan.
2. It better reflects the temp of the pool of fluid sucked up by the pump.
3. Will installing in the output cooler line cause a problem? Nope.
4. The cost to install the gauge in-line may be more than the cost of a gasker ($2 at my locat transmission rebuilder.).
5. Are you torquing the pan bolts correctly?
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post #6 of (permalink) Old 12-18-2002, 08:08 AM
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Re: Auto Tran Temp. Guage Question - Sender location

I put a trany temp gauge in my jeep last winter. On my CJ-7 w/ the 999, there is, on the pasenger side, a 1/8" pipe plug just above the pan in the main housing. I removed it and oil came flowing freely, so that is where I placed the sender. Plus the sender just threaded right in so I didn't have to splice anything or put another place for a possible leak in the pan. It may not be compleatly accurate as in the pan, but it does give a reading that tells me when the trany is getting hot. In fact I ended up putting a trany cooler in front of the radiator because it was getting so hot (210*-220*) Now it runs a cool 180*
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post #7 of (permalink) Old 12-18-2002, 08:25 AM
 
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Re: Auto Tran Temp. Guage Question - Sender location

that port is actually a pressure test point ( at elast on a 727 they are test points)
but as long as its sealed off, there no reason it could not be used!

they are usually located in the resiviors for the servos.
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post #8 of (permalink) Old 12-18-2002, 12:48 PM
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Re: Auto Tran Temp. Guage Question - Sender location

Very Helpful. I'll give the pressure port a shot and if that fails I'll take the pan off.

Shawn
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