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Replying to Thread:

dt466E no oil pressure while cranking


Created On Thursday 18, February, 2010 5:15 PM by shanedotson

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Diesel Talk Forum

shanedotson
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Posts: 2
Joined: Feb 2010

Note Thursday February 18, 2010 17:15 View thread in raw text format
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2000 international 4700 flatbed tow truck. I was having trouble on cold start it would sometimes not build oil pressure fast enough and the oil/water light on the dash would come on, I would shut it off and re-start it all would be fine. Then i came in and started it and it ran about about ten seconds and died, never has re-started. I have no oil pressure while cranking. I removed oil pick up tube and inspected, found no visible cracks. I replaced IPR valve, high pressure oil pump, and main engine oil pump behind ballancer.

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 shanedotson
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shanedotson
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Posts: 2
Joined: Feb 2010

Note Friday February 19, 2010 09:11 View thread in raw text format
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I still have no oil pressure while cranking. I seen a guy say on another post in here something about replacing oil pump and front cover. Does something go wrong in the front cover to cause no oil pressure?

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 shanedotson
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trashman
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Posts: 2
Joined: Mar 2010

Note Saturday March 13, 2010 15:54 View thread in raw text format
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there is a oil pressure regulator in the back front cover
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DieselSmellsLikePower
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Posts: 10
Joined: Aug 2009

Note Tuesday October 05, 2010 08:00 View thread in raw text format
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If the back half of the front cover (behind the oil pump) is sratched or even looks worn. you can still have no oil psi with a new pump.
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alexisrois
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Posts: 26
Joined: Feb 2012

Note Sunday September 16, 2012 21:52 View thread in raw text format
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When this occurs did you inspect at the throttle sensor if there is a five volts, now if there is five volts
at the throttle electrical connector replace the sensor, but if there is no five volt at the electrical connector install a overlay harness.


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Skidd88
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Joined: Feb 2014

Note Saturday February 15, 2014 16:39 View thread in raw text format
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Hey guy's! Here are a few things to look at if you have no oil pressure during cranking at start up. 1st you have to have base engine oil pressure to get the engine to start. 2nd you can pull the oil temp sensor out on the left side of the rear section of the front cover(2 wire white sensor) the oil level should be up and flow out the sensor hole. If there is no oil in this area this means that the HP oil pump has no oil to fire the engine. If this the case the oil regulator that is located behind the oil filter housing is stuck open and you will not build any oil pressure, which will cause a no start issue. 3rd if there is oil in the sensor location, then you have a bad oil pump, which is located behind the front harmonic balancer. If you attempt the repair you will need to heat up the center of the harmonic balance(the shaft hole) to get to slide the balancer back on. I hope all this info helps!

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RageT
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Joined: Mar 2016

Note Sunday March 13, 2016 08:26 View thread in raw text format
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Hey Skidd88, I've the same problem with my 97' International 4900 DT466E. No oil pressure while cranking. This only occurs after the truck sits overnight. I removed the oil filter housing and looked at the regulator. Just to be clear, the regulator is IN the housing correct? How do I tell if it is possibly stuck open? I'm afraid my problem may be the oil pump, and or pressure relief valve, from all I've read of other issues people are having. I pulled the temp sensor and didn't have oil running out. By your post I figured it would be the regulator at the filter. Now I'm uncertain. Any insight would be great.

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 97' International DT466E 20T crane truck
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