Stock Trans Guage
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Junior User
Joined: May 2006
Posts: 59
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From: Utah
Stock Trans Guage
I had a post a couple of days ago, about a sulfer smell in my cab when towing a heavy load. It was suggested that it may be a hot tranny. My question is how accurate is my stock tranny temp guage on my '02 F-350?
I moniter it all the time, & have never seen it hot.
Thanks for all the info, this sight is great!
I moniter it all the time, & have never seen it hot.
Thanks for all the info, this sight is great!
Post Fiend
Joined: Jul 2005
Posts: 14,582
Likes: 12
From: 21791
it's not accurate at all. there is a test that has been done with a REAL gauge, and the needle stays in one position while the actual gauge showed a temp difference of 40-60*. let me search for the page.
edit- here we go- http://www.itpdiesel.com/store.php?transgauge=1
edit- here we go- http://www.itpdiesel.com/store.php?transgauge=1
Last edited by PowerstrokeJunkie; Aug 24, 2006 at 09:33 PM.
Elder User
Joined: May 2005
Posts: 582
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From: Refugio, Texas
The stock tranny gauge is a joke.
How can it be even close to accurate when the needle move to the normal temp spot as soon as you turn the key on at a cold start.
And then it stays in the same place no matter if your towing or in the heat of summer or in the dead of winter....... It's a joke.... Don't know why Ford even bothered to put it in.
How can it be even close to accurate when the needle move to the normal temp spot as soon as you turn the key on at a cold start.
And then it stays in the same place no matter if your towing or in the heat of summer or in the dead of winter....... It's a joke.... Don't know why Ford even bothered to put it in.
Posting Guru
Joined: Jul 2003
Posts: 2,210
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The gauge is very accurate, but not all that useful.
It goes to the middle of normal at about 50°F, and stay there until 230°F, when it goes to yellow. At 250°F it goes to red.
If that's what you want to read it is very accurate. If you want to know any other temperatures you need an aftermarket gauge.
It goes to the middle of normal at about 50°F, and stay there until 230°F, when it goes to yellow. At 250°F it goes to red.
If that's what you want to read it is very accurate. If you want to know any other temperatures you need an aftermarket gauge.
Elder User
Joined: Nov 2004
Posts: 699
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From: George West, Texas....
Just a thought ....
Has anyone ever used the orig, guage and hooked it to the test port on the tranny to het it to read accurate ??
Say you get a tranny guage, use the probe and wiring but hook to the orig. guage ??
Has this been tried or done ??
Has anyone ever used the orig, guage and hooked it to the test port on the tranny to het it to read accurate ??
Say you get a tranny guage, use the probe and wiring but hook to the orig. guage ??
Has this been tried or done ??
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Elder User
Joined: May 2005
Posts: 582
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From: Refugio, Texas
Originally Posted by RobertJohn
Just a thought ....
Has anyone ever used the orig, guage and hooked it to the test port on the tranny to het it to read accurate ??
Say you get a tranny guage, use the probe and wiring but hook to the orig. guage ??
Has this been tried or done ??
Has anyone ever used the orig, guage and hooked it to the test port on the tranny to het it to read accurate ??
Say you get a tranny guage, use the probe and wiring but hook to the orig. guage ??
Has this been tried or done ??
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Logistics Pro
Joined: Nov 2002
Posts: 4,788
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From: Mansfield, TX USA
Originally Posted by Casey
The gauge is very accurate, but not all that useful.
But no, the gauge will not tell you if you are at 200* or 210* or 150*.
The gauge will tell you if your tranny is running too hot (there is the "useful" part).
Most of the arguments about the gauge have to do with what is "too hot".
Personally, when I am running down the highway and the needle is in the low/middle of the gauge, that's all I need to know. Whether that is 200* or 190*, I could really care less.
Posting Guru
Joined: Jul 2003
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Originally Posted by RobertJohn
Just a thought ....
Has anyone ever used the orig, guage and hooked it to the test port on the tranny to het it to read accurate ??
Say you get a tranny guage, use the probe and wiring but hook to the orig. guage ??
Has anyone ever used the orig, guage and hooked it to the test port on the tranny to het it to read accurate ??
Say you get a tranny guage, use the probe and wiring but hook to the orig. guage ??
The gauge in the dash is not really a gauge. It is a needle that is controlled by the dash computer. It does not read any probe or sensor, the needle just goes to the position the dash computer tells it to go to.
The PCM reads the Trans Fluid Temp (TFT) sensor and uses the actual temps as part of the trans control software. It also sends the temperature info to the dash computer. The dash computer uses this info to decide where to place the needle on the "gauge."
Thread Starter
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Junior User
Joined: May 2006
Posts: 59
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From: Utah
Thanks for all of the info, I have a 2 pod pillar mount, should i buy a 3 pod to accomodate a new trans guage, or is there a better option? My other guages are di pricol, what do you suggest for a trans guage?
Postmaster
Joined: Apr 2005
Posts: 2,759
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From: round rock, tx
I bought my 02 used last year and got on this forum just a month before.
I got a lot of great info and knew right away that aftermarket gauges were a necessity to prolong the life of the truck.
I bought a 4 gauge pod for the driver's side A-pillar and installed BANKS BOOST,TRANNY TEMP,EGT and OIL TEMP. I have been able to keep a close eye on all engine paramaters and know when the engine and tranny are running smooth or getting too hot.
I also installed a extra capacity MAG HYTEC tranny pan that holds 6-8 xtra quarts of ATF, def keeping the tranny temps low and in control!
I am going to add a water/coolant temp soon and a rear diff temp and volt meter gauges so I won't have to rely on the stock gauges at all.
I got a lot of great info and knew right away that aftermarket gauges were a necessity to prolong the life of the truck.
I bought a 4 gauge pod for the driver's side A-pillar and installed BANKS BOOST,TRANNY TEMP,EGT and OIL TEMP. I have been able to keep a close eye on all engine paramaters and know when the engine and tranny are running smooth or getting too hot.
I also installed a extra capacity MAG HYTEC tranny pan that holds 6-8 xtra quarts of ATF, def keeping the tranny temps low and in control!
I am going to add a water/coolant temp soon and a rear diff temp and volt meter gauges so I won't have to rely on the stock gauges at all.
Logistics Pro
Joined: Nov 2002
Posts: 4,788
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From: Mansfield, TX USA
Originally Posted by toyota hauler
I got a lot of great info and knew right away that aftermarket gauges were a necessity to prolong the life of the truck.
Originally Posted by toyota hauler
I also installed a extra capacity MAG HYTEC tranny pan that holds 6-8 xtra quarts of ATF, def keeping the tranny temps low and in control!
And I wasn't aware that there was some sort of crime spree, with all these tranny temps running around out of control.
Postmaster
Joined: Apr 2005
Posts: 2,759
Likes: 0
From: round rock, tx
I am not trying to start a flame war, but are you saying that I am WRONG?
Is having aftermarket gauges and or any aftermarket modifications installed on a F-250/350 diesel not recomended?
I am sure some would debate that the stock gauges do work and are adequate, but is there any reason not to have gauges to monitor the diesel's engine and other components?
Why are you giving me such attitude?
Is having aftermarket gauges and or any aftermarket modifications installed on a F-250/350 diesel not recomended?
I am sure some would debate that the stock gauges do work and are adequate, but is there any reason not to have gauges to monitor the diesel's engine and other components?
Why are you giving me such attitude?
Last edited by BobbyDiesel71; Aug 27, 2006 at 01:32 AM.