Condensation in my Tranny temp gauge - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 04-28-2009, 10:02 AM Thread Starter
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Condensation in my Tranny temp gauge

I've had the gauge for a couple months. I have three on the pillar, tranny on top. I haven't yet figured out any rhyme or reason to it. sometimes the trans temp gauge has condensation on the inside of the glass - maybe it's done it three times in two months. it doesn't show up until i start the truck, and it clears up in about ten minutes afterwards and looks crystal clean. this morning it was about 48 degrees and damp outside when it happened. i haven't noticed either of the other gauges (EGT and Boost) doing this. anyone have any ideas? btw they are auto meter pro comp.
one theory i have is that the engine's heat at startup is coming through the firewall at the point where the guage wires all enter.

Early 99 (7/98) F-350 CC 4X4 AT 7.3L 200K mi - 4" turbo back w/muffler - AFE Stage 2 - PMT1 ECM - DP 40T/DECEL/80E - dual trans coolers - HPX - Fuel CCK - Auto Meter Trans/EGT/Boost - 3.73 - stock tires

Last edited by samiam; 04-28-2009 at 10:21 AM.
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post #2 of 7 Old 04-28-2009, 12:40 PM Thread Starter
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shoot maybe i shoulda posted this in the general discussion...

Early 99 (7/98) F-350 CC 4X4 AT 7.3L 200K mi - 4" turbo back w/muffler - AFE Stage 2 - PMT1 ECM - DP 40T/DECEL/80E - dual trans coolers - HPX - Fuel CCK - Auto Meter Trans/EGT/Boost - 3.73 - stock tires
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post #3 of 7 Old 04-28-2009, 12:42 PM
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maybe a bit of water leaking in your windshield and into it?



2000 F-350 Lariat Super Duty, Dually, CCLB, 7.3L
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post #4 of 7 Old 04-28-2009, 12:42 PM
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Sounds like a bad gauge to me

Jason

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post #5 of 7 Old 04-28-2009, 12:50 PM
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i wouldn't think that the gauges should allow any water in. might have been manufactured near a faucet?



2000 F-350 Lariat Super Duty, Dually, CCLB, 7.3L
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post #6 of 7 Old 05-01-2009, 04:11 AM
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That gauge should be sealed, but where is the moisture coming from. You may have a couple issues, a bad gauge and a windshield leak. They are known to leak on the drivers side, so check down below for any wetness and then call AM and have them send you a new gauge!!

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post #7 of 7 Old 05-02-2009, 12:18 AM
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Mine did the same thing twice in the past two weeks. It was the only one of my 3 gauges that did it. It's on the top of the pillar. Hasn't had a problem since. I figured it was just a fluke or something. The gauge works fine still.

Dave
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