How does the high pressure oil pump work on a DT466?

How does the high pressure oil pump work on a DT466?

The high pressure oil pump that operates the injectors is fed oil by the lube pump through a reservoir in the front gear cover. When you start a DT466E after an oil change it will start and run for a few seconds and quit then after a few seconds of cranking it will start again and run the oil pressure gauge will start to move at the same time.

Why does my dt466e no start-fuel problem?

Got that all fixed. Realized that my primer pump would leak when I would pump it, replaced the entire assembly. Filled both filters, truck fired on the first try. Now today go to run a call, cranks and cranks wont start. Gave a shot of ether, fires but wont run on diesel.

Why does my dt444 engine have low oil pressure?

It almost sounds more like a fuel issue, such as a bad check valve or leaking fuel line. On the late model (2000 and up) DT444 engines the oil pressure is used to power the fuel injectors, through a High Pressure Oil Pump (HPOP).

What kind of oil to use in DT466?

If you cannot find a CI 4 As an alternative you can use 10% 20/50 engine oil or 1/2 gallon of Lucas to every ten gallons of oil if you have higher miles. I would also check the injectors, the ICP sensor and the cam crank sensor.

What kind of car is the DT 466?

Can’t seem to figure this one out myself, so I figured I’d try here. 2003 International 4300 with the 466, and have been having some issues. Used to start and run beautiful, probably the best running dt I’ve driven.

Where is the HPOP on a 1999 dt466e?

On the left side of the engine mounted on the back side of the front cover is the high pressure oil pump. Its also right above the air compressor ( if equipped) or ps pump. On the hpop there is a valve near the bottom of it.

Where is the cam sensor on a DT466?

The cam sensor is located on the passenger side of the front timing cover and reads engine rotation that relays a reading to the ECM (engine control unit). As I stated before if the cam sensor does not send a signal to the ECM the engine dies since the ECM thinks that the engine is not rotating and it’s programmed to shut down the injection system.

Why does my 1999 IH dt466e keep dying?

I have a 1999 IH DT466E that will not stay running. It will start right up and then run from anywhere from 30 secs. to several minutes. It then dies, but will start back up and do the same thing. I have replaced the fuel filter on the drivers side, and the high pressure oil pump is also new last fall.

What should I read on oil rail, dt466e?

I have a DT466E with low ICP pressure. New IPR valve, new HPOP, all 6 new injectors, still low ICP. Pulled new HPOP off and had it bench tested, … read more Vocational, Technical or Tra… I have a 2005 international 4300. I have changed the Hi Andy I have a 2005 international 4300.

What is the code for the dt466e engine?

Hi, I have a 2001 international truck with the DT466E. The truck was pulling hard up a hill when the warn/engine light came on and it lost power. It has codes 333 and 335. It starts with a wiff of eit … read more I have a 2008 International 4300 w/ dt466. It has a long cranking I have a 2008 International 4300 w/ dt466.

Why is my DT 466 getting hard to start?

The 466 uses oil to hydraulicly actuate your injectors. Once the o-rings start to leak, the high pressure pump has a hard time building pressure to actuate the injectors. Sometimes it takes 30 seconds to finally build enough pressure to start. This is about a 2 hour job at a dealer. Did you check ALL fluids accurately?

Is the IH 4300 DT466 getting hard to start?

I have an 05 IH 4300 DT466 with 131K miles on it. I have had a small problem with it before, usually first thing in the AM. But now it doesn’t want to start no matter what time of the day it is. If its been sitting for any length of time it cranks and will finally start after about 45 seconds.

What should fuel psi be on dt466e International diesel?

Usually when we get no start cold but fires and runs after using ether it might be injectors, but you need to do the fuel checks I posted and let me know. If you don’t have a fuel psi gauge, autozone loans them out. I like to have around 60psi I have seen them run ok above 45psi.

Why does my dt466e take so long to start?

The high psi oil system, in a dt466e you have high psi oil that fires the injectors, and sometimes the pump can actually bleed down overnight causing it to take forever to start, the only way to check that will be let it sit overnight and there is a temp sensor in the front cover/ drivers side . it is right in front of the oil/fuel pump.

What makes a DT466 diesel truck go limp?

The engine is new, the injectors are all new, the MAP Sensor is new, the Baro Sensor is new, the Cam Sensor is new, the High Pressure Oil Pump is new, the fuel sensor and regulators are new, the computer is new. The truck will crank, and then go into a limp mode and blow tons of white smoke out of the stack. Any ideas would be appreciated.

What are the crank times on a 2005 DT466?

We have 2 of the 2005-2006 DT466s, when cold, long cranking times then an unnerving high speed rev up and black smoke till they settle down are the norm. They are one of the reasons we switched to 5W-40 motor oil, both to make me feel better about the cold high speed rev up and to help with the cold cranking speed.

Where is the fuel line on a DT466?

A DT466 does not have a high pressure fuel system so I am going to assume. That you are checking fuel pressure at the rail right above the intake manifold. If so the best thing to do, to see were you are sucking air from would be to install a known good fuel line to a clean fuel source right of the fuel lift pump.

Do you need injectors in 2004 International 4300 DT466?

The motor need 2004 International 4300 Dt466 with 330,000. The motor need injector seals. The original set of injectors were replaced at 150,000 miles the set that is currently in the motor has 200,000. Should we re … read more

What should I do if my oil pressure drops?

If the vehicle starts making a tapping or clunking noise when the oil pressure drops …TURN OFF THE ENGINE…!! You probably don’t have any oil going to your engine and it will seize up (lock down). You have a bad oil pump. 20 people found this helpful. My 4.3L engine in my 1998 s10 has 150,000 miles.

Why does my oil pressure drop to zero?

Just went through this with a 2002 sierra 5.3, Pressure would randomly drop to zero and if I did not kill the engine fast ehough I would get a bad lifter tap so it was definitely not a bad sensor/sending unit. Even though the truck had extremely low mileage and oil changes were routinely done sediment had built up in the engine.

Is there a DT 466 that won’t start?

I’m working on a 2001 dt466 that won’t start. The ecm is showing only about 20-60psi of injection actuation pressure. There is power and ground at the plug for the injection pressure control regulator. The coil resistance checks out ok.

Where is the ferry plug on a DT466?

A DT466 high pressure oil pump leak is one of the most common issues found on these International engines. While there are a few reasons a high pressure oil pump (HPOP) could leak oil, the most common issue is it to leak past the threads and O ring on the ferry plug, found on the back of the HPOP facing the engine block.

Can a HPOP be used on a DT466?

This article applies to all DT466 engines equipped with a HPOP, however specifics such as wrench or socket size could be different from engine to engine. The engine this article is based off of was found in a 2000 International 4700 DT466E. For other International specific guides, visit the International category page.

Where is the oil pressure regulator on a diesel?

There is a pressure regulator and a relief valve that control the oil pressure. I believe they are both located in the front cover in your engine. I have a hard time believing the pickup tube would have failed. Click to expand… Pulled the tube and checked it. It was fine. Pulled the engine oil pump (on crank) and it looks worn.

Why is my DT 466E engine not working?

The bus in question was a 1998 International conventional with a DT 466E diesel engine. It was the middle of winter so the cold temperature was a contributing factor with the “no start” situation. We went out to have a look and could not get it going so the next step was to tow it in and have a closer look.