Transmission Temperature Gauge

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Mar 3, 2006 | 12:16 PM

#16

hink10

Fleet Mechanic

Joined: Jun 2004

Posts: 1,296

Likes: 1

From: Coal Valley, Illinois

That's fine, I'm not claiming anything to be truth. I'm not here to debate the safe temps or what will ruin your transmission, just recommending a transmission temp gauge. I like to have a gauge and know exactly what my temps are doing. As I said personal preference, everyone needs to make their own decision. If you have some good hard numbers, please share them with us.

Quote:

Originally Posted by jschira

Old news. That quote has been flying around these boards for years. No one knows who started it. No one knows when it was started. 1945? 1960? 1984?

See, even you don't really believe your own quote.

Lot's of old wives tails out there:

"If you keep doing that, it will fall off".

"Don't worry, you won't get pregnant".

I am sure that at least some of these tales had an "expert" authority supporting them

OK. March 3, 2006:

Posting Guru Jschira says "running your tranny above 200* is OK and will not hurt the tranny."

There. Now everyone can start quoting me and have an "expert" basis for their opinion.

Last edited by hink10; Mar 3, 2006 at 01:15 PM.

Mar 3, 2006 | 12:30 PM

#17

jschira

Logistics Pro

Joined: Nov 2002

Posts: 4,788

Likes: 20

From: Mansfield, TX USA

Quote:

Originally Posted by hink10

I have good hard numbers, directly from Ford (printed in the official Ford Body Builders Layout book). I have shared them with you. You don't like them.

Last edited by jschira; Mar 3, 2006 at 12:43 PM.

Jul 18, 2010 | 09:26 PM

#18

FLForester

New User

Joined: Jul 2010

Posts: 13

Likes: 0

I have an F-150 Super Crew Cab with a 4.6L V8 (Windsor) and an external transmission cooler that I use to pull a 27 ft. travel trailer. I would like to install a transmission temperature gauge, but I have two questions:

1) I have heard that some vehicles have sensors and wiring harnesses already installed even though they do not have a gauge. How can I tell if my truck has these or if I have to install them myself?

2) I really don't like the look of "add-on" accessories. I prefer the factory look. Is there another ford model instrument cluster that includes a trans temp gauge that I can swap out for the basic six gauge (spd, rpm, fuel, volt, temp, oil) panel I have now?

Thanks!

Steve
DeLand, FL

Jul 18, 2010 | 09:35 PM

#19

Toreador_Diesel

FTE Leadership Emeritus

Joined: Sep 2003

Posts: 12,246

Likes: 761

From: Houston, Texas

What you need is a ScanGauge...it's a digital gauge that casn monitor most of the PCMs parameters. (including trans temp)

Jul 19, 2010 | 08:25 AM

#20

FLForester

New User

Joined: Jul 2010

Posts: 13

Likes: 0

Thanks! I looked up a ScanGauge II last night following your suggestion. It looks like it does just about everything. I also like the idea of being able to unplug and store it when I don't need it. For trans temp, does the internal sensor have more, less, or about the same accuracy as an inline sensor? I assume it would be the best source for monitoring the temp, but you know what they say about assuming...

Jul 19, 2010 | 10:17 AM

#21

Toreador_Diesel

FTE Leadership Emeritus

Joined: Sep 2003

Posts: 12,246

Likes: 761

From: Houston, Texas

The PCM sensor is dead on accurate...it's the gauge that sucks. If the PCM says it's too hot, the gauge won't tell you till it's too late...

Jul 19, 2010 | 02:41 PM

#22

FLForester

New User

Joined: Jul 2010

Posts: 13

Likes: 0

Yeah, that's what I thought. I prefer the measured gauge vs. the indicator also. It's easier for me to track the heating or cooling trend when I have a number to measure it by instead of the relative position of the needle in a large blank space between hot and cold.

I'm still trying to find out some more specifics on the ScanGauge II. I downloaded an operator's manual from their website, but it didn't mention ATF temp. It may have been an older version, though. I'll keep looking.

Jul 19, 2010 | 02:53 PM

#23

Toreador_Diesel

FTE Leadership Emeritus

Joined: Sep 2003

Posts: 12,246

Likes: 761

From: Houston, Texas

You'll love that thing once you get one...

If you're towing heavy or often, I'd recommend a 26 or 31 row 6.0 trans cooler. You trans will never overheat and best of all it's a drop in mod that requires only slight modifications...

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Jul 19, 2010 | 10:33 PM

#24

gr8scott72

Cargo Master

Joined: Nov 2008

Posts: 2,332

Likes: 2

From: Summit, MS

Quote:

Originally Posted by FLForester

The scangauge DOES indeed show Tranny fluid temp. That was the whole reason I bought mine. It isn't one of the stock gauges that it shows. You have to program it to show that but it's not that hard to do.

Jul 20, 2010 | 07:03 AM

#25

FLForester

New User

Joined: Jul 2010

Posts: 13

Likes: 0

Have any of you heard of the Autel MaxiTrip TP100 4-In-1 Auto Computer ($70) or the PLX Kiwi MPG Trip Calculator and OBDII Scanner ($90)? You probably get what you pay for, but if I can get the same functions for cheaper...why not?