CM871 oil pressure
05-08-2018, (Subject: CM871 oil pressure ) 
Post: #40
RE: CM871 oil pressure
Well I got a new turbo. The oil cooler, oil pump, egr cooler, etc. are finished. Got it started. Idle fine.
After a minute or two it stumbled and I shut it down. Tried 2 or 3 more times with same result. Smoke came out of an exhaust joint each time.
I had calibrated my old actuator in insite per the detailed directions on quickserve. Gear turned during calibration, and install passed also.
I have code 3616 with 875 occurrences. It is still occurring currently and is active but without a cel. Also another code with 14000 plus occurrences regarding the vgt is inactive.
There was fuel vapor in the intake as in the picture. I have inspected the turbo compressor outlet for oil leaks and there are none. The new air compressor is not pushing oil either. The wetness in the intake was pungent and almost certainly entirely fuel and soot. This had been cleaned before reinstalling and was in the condition in the pic after. No coolant smell or indication of coolant in the intake. Small amount of odorless water drops I assumed to be condensation from egr mixer. No smell or odor from it thought. Fuel vapor was emanating from the intake before I took the pic.
Aftertreatment injector was closed in insite. Smoke was coming from exhaust stack. No problem with dpf pressures or temps.
I had an exhaust pressure sensor code earlier wheen calibrating the actuator. Cleaned plug and reconnected and code went away. Fuel pressure is 260 or so.
Actuator gear was frozen in place before calibrating, but turned under command from insite and passed calibration. Sector gear on new turbo was smooth.
My only guess is bad actuator as I thought the gear would turn by hand, although I know you aren't supposed to turn it, and mine was frozen. No external oil or coolant leaks. Oil pressure at idle is 42 psi with new oil pump and 2 dimes in dogbone this time.
Last thought, Exhaust gas pressure was reading 13.xx inches mercury with truck off. Don't know if it's reading innacurately. HELP!
:waaaht:


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Messages In This Thread
RE: CM871 oil pressure - Brock - 04-12-2018,
RE: CM871 oil pressure - Rawze - 04-12-2018,
RE: CM871 oil pressure - Rawze - 04-12-2018,
RE: CM871 oil pressure - Brock - 04-12-2018,
RE: CM871 oil pressure - Brock - 04-12-2018,
RE: CM871 oil pressure - Unilevers - 04-13-2018,
RE: CM871 oil pressure - Rawze - 04-13-2018,
RE: CM871 oil pressure - Unilevers - 04-13-2018,
RE: CM871 oil pressure - Unilevers - 04-13-2018,
RE: CM871 oil pressure - Rawze - 04-21-2018,
RE: CM871 oil pressure - Rawze - 05-03-2018,
RE: CM871 oil pressure - pearce trucking - 05-08-2018



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