2021 5500 no oil pressure

[Nabes68]

So my fan clutch hub bearing went out and it threw the serpentine belt. Nothing was damaged luckily. While at it since I have almost 173,000 miles I changed the water pump, tensioner pulley and serpentine belt.

When it broke I lost oil pressure at the same time as I was coasting to a stop I was going down Donner pass so my main concern was getting my load stopped. I noticed the oil pressure at 0 but also service electric throttle control. And also the push button to start screen popped up at the same time.

Everything is back together sounds good but it still shows the service electronic throttle control and 0 psi and the push brake to start screen on.

What could cause this? Running and fluctuation of no power when the belt came off the
alternators?

I have a video I can put on YouTube and send the link the file it to large for the thread.

 

[Nabes68]

 

[AH64ID]

I would look for a damaged wire harness on the front of the engine.

 

[Nabes68]

I would look for a damaged wire harness on the front of the engine.

I looked before I put it back together. Even the crank sensor looks good wires are fine.

 

[Nabes68]

It’s also cranking over longer before it starts.

 

[Nabes68]

I think it’s my crankshaft sensor. Looks like it isn’t flat like normal.

 

[AH64ID]

I think it’s my crankshaft sensor. Looks like it isn’t flat like normal.

That could explain the long crank.

 

[H3LZSN1P3R]

I think it’s my crankshaft sensor. Looks like it isn’t flat like normal.

That may do it but its still odd. The oil pressure sender is on the side of the block and the throttle valve is on the intake so i would say the belt took out more than you can see

 

[Nabes68]

That may do it but its still odd. The oil pressure sender is on the side of the block and the throttle valve is on the intake so i would say the belt took out more than you can see

I have looked at the oil pressure sending unit it looks fine and in touched. There is no possible way to hit that unit.

 

[AH64ID]

That may do it but its still odd. The oil pressure sender is on the side of the block and the throttle valve is on the intake so i would say the belt took out more than you can see

Which is why I’m guessing a wiring harness or ground got taken out.