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1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

Oil Leak

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Old 11-20-2009, 02:09 PM
Bad93Cummins's Avatar
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Default Oil Leak
Got a oil leak and im pretty sure its coming from the oil injection pump. I was just wanting to make sure, the oil injection pump is the one that the ps pump is connected to correct?

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Old 11-20-2009, 11:46 PM
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the oil pump is driven off the top of the crank over in the front lower center area why do you suspect the oil pump
 
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Old 11-21-2009, 07:29 AM
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Originally Posted by Bad93Cummins
Got a oil leak and im pretty sure its coming from the oil injection pump. I was just wanting to make sure, the oil injection pump is the one that the ps pump is connected to correct?

Thanks guy's.
thats the vacuum pump
 
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Old 11-21-2009, 10:29 AM
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well the pump that my ps fluid is connected to looks to be leaking oil. Ill get a picture and post it later.
 
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Old 11-21-2009, 02:39 PM
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The vacuum pump has its own oil line.Is it leaking from the timing cover or back behind the ps pump?
 
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Old 11-21-2009, 08:21 PM
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or its sucking out break fluid from the resavor
 
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