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Thread Title:

transmission help?


Created On Sunday January 11, 2015 09:28 Diesel Talk
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stonefly
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Note Sunday January 11, 2015 09:28 View thread in raw text format
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Not sure if the oil pump is not working, or if the oil cooler is clogged.

Transmission is hot to the touch-too hot to leave a hand on it for too long. That doesn't seem right to me, especially in this cold weather.

The lines to and from the cooler are cool and the same temperature. Unless I'm wrong, that tells me that no oil is running through them.

I looked at the RTO 14715 service manual and it looks like the transmission has to come out in order to get to the oil pump.

I don't wanna pull the trans at this time.

Anybody know anything about it?
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ponway
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Note Sunday January 11, 2015 20:24 View thread in raw text format
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Well since nobody else has responded I will give you my 2 cents worth. I have a Eaton 13 speed and it normal runs around 150-200* depending on road and load. Once it got to almost 300* on US 33 in Pendleton county West Virginia. Wonder if you could crack a line and see if you have oil flowing?
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JoeZ
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Note Tuesday January 13, 2015 06:05 View thread in raw text format
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You would need to remove the lines to see if the pump is working. Does yours have a filter? If the pump isn't working, you should find out why. If all else fails and you don't want to pull the transmission to fix the pump, you might see if an external pump is available for your transmission.

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One of the last 2 Stroke mechanics left.
44 years in the business and worked on everything from 53 series to 149 series. Winding it down now...time to move on.
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stonefly
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Note Thursday June 25, 2015 09:53 View thread in raw text format
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Thanks for the replies. With the cold weather, the transmission never went to a temperature that appeared to be dangerous. Yesterday though, at a stop light, I thought I smelled burning gear oil.

I bought a heat gun. I climbed under the truck and read out the transmission temperature-178 degrees. It feels awful hot to the touch, but it's normal operating temperature. The day was hot and I'd pulled maximum weight for over 250 miles.

The temperature of the cooler line at the bottom of the transmission cooler was cooler than the line on top, so that tells me the oil pump is working and so is the cooler.

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westcoast
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Note Wednesday July 08, 2015 08:13 View users profile View thread in raw text format
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That,s all within spec Regards David

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detroit
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stump
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Note Wednesday July 08, 2015 08:57 View thread in raw text format
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My 14715 runs around 175
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