What could have caused LPOP failure ?

[mcdaniel1991]

So we seem to have narrowed my now start down to a Bad LPOP so my question is along with the $450 cover, gears, xxxxxxxx what else do I need to instal to keep this from happening again? Oil cooler? The truck was having rough idle conditions for about 10sec every morning when it's below 50* or so

 

[DEEZUZ]

Any recent work?

 

[mcdaniel1991]

Most recent was EGR deleat about 5k miles ago

 

[907DAVE]

You sure its not injectors or HPOP leak like every other 6 oh?

 

[DEEZUZ]

have you even inspected it yet? or do you just have no base oil psi and are assuming its the pump itself?

 

[mcdaniel1991]

Checked for oil at the filter during start and nothing also checked the gauge during long start and there was no fluctuation . It started as a no start troubleshoot and this is where we are at ? FICM reads 48v , unplugged icp sensor and truck still won't start there is fuel in he bowl .. Idk what else it could be

 

[mcdaniel1991]

You sure its not injectors or HPOP leak like every other 6 oh?

From what I have learned for the hpop to get oil the lpop has to pump it there which it pumps through the oil filter first and since I'm not getting oil at the filter it would appear that the lpop is not pumping

 

[tommyboy#1]

With something like this you need to take it to a shop to get diag. Otherwise your gonna just waste money. Its worth it in the long run.

 

[Mahdeys]

If you have no oil pressure at the test port then you have a bad lpop. Out of the ~40 365's (6.0 in an international) the lpop was bad when I had no oil pressure, obviously.

 

[hawgdoctor]

First thing I would check at this point is to pull the regulator, and make sure its not hung wide open. Have had a few like that.

sent from the shop making things fly.....

 

[mcdaniel1991]

With something like this you need to take it to a shop to get diag. Otherwise your gonna just waste money. Its worth it in the long run.

Trust me I would if I wasn't stationed in Germany.

I'll check into the regulator today

 

[mcdaniel1991]

Is the regulator something I can pull out and inspect without having the new parts on standby ?

 

[amarillo250]

where are you in germany, I know a lot of folks there.

 

[mcdaniel1991]

Grafenwoehr

 

[hawgdoctor]

Is the regulator something I can pull out and inspect without having the new parts on standby ?

Yeah, it should be a 10mm Allen plug on the pass side of the balanced pulley. Come from underneath the truck, and you'll see it. When you take it out there should be no pressure. If it comes out like a rocket she was hung. Inspect closely if it does the later.

sent from the shop making things fly.....

 

[nvme_63]

If the lpop did fail you need to determine why. Make sure nothing went threw the pump, I have had a few come in where the lifter came apart and sent needle bearings threw the lpop.

 

[mcdaniel1991]

I will pull out the regulator tomorrow and see if it's good.

 

[mcdaniel1991]

If the lpop did fail you need to determine why. Make sure nothing went threw the pump, I have had a few come in where the lifter came apart and sent needle bearings threw the lpop.

That would be unfortunate that would almost require the motor to be rebuilt wouldn't it?

 

[nvme_63]

That would be unfortunate that would almost require the motor to be rebuilt wouldn't it?

Yes, both cases I put short blocks in. The cam was trashed and both engines would have required machine work.

 

[mcdaniel1991]

I'm just having a hard time accepting that my motor could be shot. It was running great the day before and started the morning I had the no start but died shortly after could I really have a shot motor? I'm going to try to pull off the lpop tomorrow!