Oil pump shim
05-25-2017, (Subject: Oil pump shim ) 
Post: #42
RE: Oil pump shim
(05-25-2017 )Rawze Wrote:  Not on a CM871. If valve is stuck open, the actuator operates just fine and the system has no idea. Crappy design.

That is a crappy design. But makes sense. Cummins has so many other sensors that if you look at them, they set a check engine light. Why monitor what the EGR valve is doing?

(05-25-2017 )t700 Wrote:  What is the purpose of the oil bypass valve?
Will it affect oil pressure?

I believe that the bypass valve allows oil to bypass the filter if the filter becomes clogged or if it is super cold out and the oil is thick.

I think that if the valve was malfunctioning or if the filter was clogging, you would have oil pressure fluctuations, not necessarily too low or too high.

I could be completely wrong though. Maybe someone who knows for sure could chime in.


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Messages In This Thread
Oil pump shim - Erics diesel - 04-05-2016,
RE: Oil pump shim - gatow900 - 04-05-2016,
RE: Oil pump shim - Unilevers - 04-06-2016,
RE: Oil pump shim - Rawze - 04-06-2016,
RE: Oil pump shim - Rawze - 04-06-2016,
RE: Oil pump shim - RPM1 - 04-07-2016,
RE: Oil pump shim - Unilevers - 04-07-2016,
RE: Oil pump shim - RPM1 - 04-07-2016,
RE: Oil pump shim - Rawze - 04-07-2016,
RE: Oil pump shim - gearhead - 04-07-2016,
RE: Oil pump shim - Coco620 - 04-07-2016,
RE: Oil pump shim - gearhead - 04-08-2016,
RE: Oil pump shim - Mrkentee - 04-10-2016,
RE: Oil pump shim - Rawze - 04-10-2016,
RE: Oil pump shim - Mrkentee - 04-10-2016,
RE: Oil pump shim - slowpoke - 05-20-2017,
RE: Oil pump shim - Hammerhead - 05-21-2017,
RE: Oil pump shim - slowpoke - 05-20-2017,
RE: Oil pump shim - Rawze - 05-21-2017,
RE: Oil pump shim - jorden486 - 05-20-2017,
RE: Oil pump shim - slowpoke - 05-21-2017,
RE: Oil pump shim - Hammerhead - 05-21-2017,
RE: Oil pump shim - slowpoke - 05-21-2017,
RE: Oil pump shim - slowpoke - 05-21-2017,
RE: Oil pump shim - Rawze - 05-21-2017,
RE: Oil pump shim - Hammerhead - 05-23-2017,
RE: Oil pump shim - slowpoke - 05-22-2017,
RE: Oil pump shim - Rawze - 05-23-2017,
RE: Oil pump shim - Billdozer2 - 05-23-2017,
RE: Oil pump shim - redbeard - 05-23-2017,
RE: Oil pump shim - Rawze - 05-24-2017,
RE: Oil pump shim - Nilao - 05-23-2017,
RE: Oil pump shim - Billdozer2 - 05-24-2017,
RE: Oil pump shim - Rawze - 05-25-2017,
RE: Oil pump shim - Billdozer2 - 05-25-2017
RE: Oil pump shim - Rawze - 05-26-2017,
RE: Oil pump shim - t700 - 05-25-2017,
RE: Oil pump shim - redbeard - 05-26-2017,
RE: Oil pump shim - Nilao - 05-26-2017,
RE: Oil pump shim - Unilevers - 05-27-2017,
RE: Oil pump shim - redbeard - 05-27-2017,



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