I know this has been done to death but i need a visual aid, can someone show me a picture of were the best spot for a trans temp guage sender would be on the transmission? i was under my truck today and seen many plugs and ive read a little about it on here, but i cant get the pictures to work, i would hate to cause a leak from taking out many plugs to find the best one.
any help would be greatly appriciated

 

It is the front servo port. I'll get you a pic from the service manual.

 

Best place is in the bottom of the pan. I welded a threaded bung in mine and now I have a temp gauge AND a drain plug.

 

Why is the pan the best place?

OP, sorry, I cant find the picture of the front servo port. Send a Private Message to the member Silver_Dodge and he will get you one.

 

No chance of it interfering with anything inside the tranny. You get a temp reading from the oil in the tranny rather than from a fluid line or the tank in the radiator. You get a drain plug.

 

No, you get the temperature reading from the fluid that is in the pan, not whats in the tranny. Thats why the front servo port is better, because it is reading inside the trans.

 

i never even thought of checking my manuel, thanks, i think i got it now. i would put it in the pan but my welder is down and i dont have enuff cash for new fluid.
Have any of you guys seen the derale radiator adaptor fittings? it replaces the line bewteen the metal line and raditor it looks like it can eliminate the check valve, its intended for an external cooler

 

Man, you've become a pain in the *** lately. The fluid in the pan is in the tranny, not in a fluid line or a tank in the radiator. By putting the sender in the pan you will have the bulb end totally immersed in tranny fluid. Using the servo port you will have, at best, about an 1/8" jacket of fluid around the bulb and it can pick up heat from the thick metal surrounding it rather than from just the fluid. The temp of the fluid in the pan is at or near operating temperature and is fine for monitoring since it is constantly moving. Very little fluid goes by the servo port. But I'm sure you've learned much in your 14 years on this earth.

 

By having the sender in the tranny pan, yes, it is totally immersed in fluid, but that fluid is a mixture of hot fluid in the transmission, and cooler fluid being dumped in from the cooler lines. I'd rather have the temp inside the trans, than the temp "near" the transmission.

 

the temp of the fluid in the pan is not much, if at all different from the rest of the fluid

why do you think aftermarket deep pans have a bung for a sensor