Gray trans fluid - Dodge Cummins Diesel Forum
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post #1 of 7 (permalink) Old 01-18-2020, 05:51 PM Thread Starter
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Question Gray trans fluid

I had the trans rebuilt and the fluid is gray not red oil isn’t burnt also it is “flaring” engine revs alittle between sec and third. I took the truck back to the trans shop and they didn’t know what would cause the issues any ideas?

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post #2 of 7 (permalink) Old 01-18-2020, 09:54 PM
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Obviously they screwed it up, take it back.

99 2500, Quad cab, 4x4 47RE, BD pressure lock on it, small BD 90/140 chip on the VP 44 connection plug, 17" 3rd gen wheels. 3.55 diffs. Ruenell front bumper and warn winch, Rancho adj shocks. 663k miles.
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post #3 of 7 (permalink) Old 01-19-2020, 11:05 AM
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Sound like the shop has some explaining to do, definitely not good


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post #4 of 7 (permalink) Old 01-19-2020, 11:06 AM
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Does the fluid smell like ATF, assuming it's not burnt?

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post #5 of 7 (permalink) Old 01-19-2020, 04:27 PM
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It's hardly the heat exchanger has failed and is allowing coolant into the trans oil?. I've seen it many times in engines and the oil turns grey.
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post #6 of 7 (permalink) Old 01-19-2020, 09:04 PM
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Yup, water.

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post #7 of 7 (permalink) Old 01-23-2020, 12:45 PM
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Heat up a piece of metal and place a drop of fluid on it. If it pops and crackles then it is water.
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