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I want to add a Tranny Temp Gauge to my coach.
I have a 1986 P30 with the 454 engine and the 400 tranny. Have a few questions.
Is there a kit to do this or do i need to get the seperate parts to make it on my own?
Where does the temp sending unit go on the tranny and can it go into the pan itself?
What temp is optimal for the tranny and at what point should one be concerned?
Where can I source the parts or the kit - looking for better quality parts for longevity.
JB, there's prob. a kit available, but we always used a brass tee fitting right where the oil cooler line comes out of the tranny, with an water temp sending unit turned into it. Rich
In a perfect world, the tranny temp sensor should be attached to the tranny pan. Some tranny pans have a "service port" or optional tranny sensor port. Sometimes, you can screw the sensor directly into these factory ports - by simply removing their stopper plugs.
From a white board perspective, its always best to have the sensor connected to the tranny pan.
To create your own port (if factory pan doesn't have a port), remove the tranny pan, figure out the best spot for a port, take your sensor end and pan to your local welder guy. They will drill the hole (x marks the spot), weld on a large threaded nut - that has same threads as the sensor. The problem is that with most vehicles, one has to pull the engine to remove the tranny pan. Or, removing the pan creates "too much" of an oil mess.
In reality, many install an inline "T" very close to the tranny's output line. It may not be 100% accurate (compared to a pan attached sensor) but for that lack of 2% accuracy, this is the best way. If no factory tranny port on our vehicle, this would be my default method.
For more details of both methods, surf:
http://neptune.spacebears.com/cars/stories/trgauge.html
http://www.automatictransmission.com.au/release.asp?NewsId=12031
email JB
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