Diesel in the sump?

[Stewie12]

Seems like the only thing left is the injector pump seals.

[PedroPV]

It really looks like the problem is in the injector pumps seals.
Is it very difficult or very expensive to repair?
Shall I call the local Bosh to do it?

[Compass790]

Originally Posted by PedroPV

It really looks like the problem is in the injector pumps seals.
Is it very difficult or very expensive to repair?
Shall I call the local Bosh to do it?

If it has bosch type pumps they would be very expensive to repair from volvo. Personally I would buy a cheap 12v low pressure fuel lift pump & bypass the engine mounted one before I went near the injector pump.
Or alternatively rig up a temporary gravity fed fuel supply of filtered fuel to the injection pumps which is even cheaper.
It's not all that common for injector pumps to fail if they havent had water sitting in them, more common for the lift pumps.
Even if you are sure it's not the lift pump doesn't cost much to check & you can use the 12v pump for bleeding or a spare.
My guess is it would be as cheap or cheaper to get a used engine than new injector pumps from volvo but I dont know.
Make sure you are sitting down when you ask the price.
Please post back what you find out.

[Stewie12]

Yes, Get Bosch to do it, or a qualified specialist. I had my injector pump serviced and they put the wrong seals in it and the diesel went for the seals. That was how I got diesel in the sump.

[Wotname]

Originally Posted by PedroPV

It really looks like the problem is in the injector pumps seals.
Is it very difficult or very expensive to repair?
Shall I call the local Bosh to do it?

Well you could check this before pulling the injection pumps out. If the fuel is leaking via the injection pumps (and it could be any of the three fitted), then it is likely to leaking 24/7.
Turn the fuel valve off at the tank and leave for say a week. Measure oil level before and after.
While not a definitive test, if the level rises, the most likely culprit will be one of the three injection pumps.

[Wotname]

Originally Posted by Compass790

If it has bosch type pumps they would be very expensive to repair from volvo. Personally I would buy a cheap 12v low pressure fuel lift pump & bypass the engine mounted one before I went near the injector pump.
Or alternatively rig up a temporary gravity fed fuel supply of filtered fuel to the injection pumps which is even cheaper.
It's not all that common for injector pumps to fail if they havent had water sitting in them, more common for the lift pumps.
Even if you are sure it's not the lift pump doesn't cost much to check & you can use the 12v pump for bleeding or a spare.
My guess is it would be as cheap or cheaper to get a used engine than new injector pumps from volvo but I dont know.
Make sure you are sitting down when you ask the price.
Please post back what you find out.

See post #18

And for indicative pricing see post #24

[Compass790]

Originally Posted by Wotname

See post #18

And for indicative pricing see post #24

I was reiterating cobber as I was frightened for his wallet that he was fixated on the pump.

Either that or the 240 volt shock I got whilst working on the shed wiring has scrambled my brains even further lol

[Wotname]

Originally Posted by Compass790

I was reiterating cobber as I was frightened for his wallet that he was fixated on the pump.

Either that or the 240 volt shock I got whilst working on the shed wiring has scrambled my brains even further lol

Of course - my bad

[Compass790]

Originally Posted by PedroPV

It really looks like the problem is in the injector pumps seals.
Is it very difficult or very expensive to repair?
Shall I call the local Bosh to do it?

Here is another thread about your injector pumps that you will find interesting.

https://www.cruisersforum.com/forums...rt-236681.html

If you have eliminated the lift pump from the possible causes I'd agree with stewie 12 in post 34 if you don't wish to do the job yourself ( need to be mechanically competent)
It might be cheapish if the shop is trustworthy but I think some of them tell you you need a rebuild/new pump when you dont as there is a lot more profit in that

[Scubaseas]

What Compass790 said @33 and @39. If you eliminate the lift pump go for rebuilt or exchange HP pumps. May as well send you injectors out for cleaning and calibration also. See if you can find a Bosch Diesel Center/ Bosch certified service center. The HP pumps are fairly easy to "rebuild" but checking them is another story.

[Compass790]

Pedro if you are sure the injection pump/s are leaking the problem may be the copper washers under the barrel/s that seal the high pressure diesel off from the sump.
If you have a workshop manual check for exploded view or see that thread I mentioned in post 39, there are pics in there.
Here is another link to a similar style pump that may help you understand.

https://www.youtube.com/watch?v=o9SFdAxf1Fc

Hope that helps.

[Noisykate]

I'd like to suggest you get the injectors out and have them serviced. We had 'no problem' with the engine, (Perkins 4236) until it stopped - the drive shaft on the injector pump had sheared. Turned out the cause was a faulty injector. We now know (!) the engine can continue to run "ok" with faulty injectors. Very, very much cheaper to get the injectors serviced, than getting a new pump.

[Subtandard]

Originally Posted by PedroPV

My volvo penta 2003 never needs oil. To the contrary, it looks like creating oil in the sump, as its level goes higher and higher. The inline fuel pump is not leaking to the sump. Could it be the high pressure injector pumps? How is that possible?

My 2003 has an engine attached fuel pump that was leaking into the crankcase. Excess oil level eventually caused the front shaft seal to leak. It is a serious problem but not difficult to fix if you catch it before it ruins your engine.

[Willy MC]

Had a Captai of an 80' MY pulling excess oil out of the dipstick during an overnight passage. Engines don't make oil. One or more injectors had failed and were pouring diesel into the cylinders, which washed right down into the sump. He should have shut the engine down. Ultimately that engine froze up and called it a day. As the man said earlier, diesel makes a lousy lubricant.

[chasfgr]

I've had the problem - on a crawler tractor - finally found a little hole in the pump diaphragm, which allowed diesel to bypass into the underpart of the pump.
The hole wasn't discernable to the naked eye.