Injector Oil Feed Top O-Rings

Bruce Amacker · February 15, 2006

Hey Guys:

These o-rings seem to be a trouble spot and I'm having a hard time getting a part number for replacing them. There are two versions, I think, early, and late, but I don't the cutoff date, or if top o-ring kits are available for both styles.

Can anyone help with info or part numbers?

Thanks!

cochran · February 15, 2006

Bruce,

Can you clarify? Sounds like you're looking for the rubber d-ring in the top of the injector, but there are also external o-rings on the injector above and below the fuel inlet screens.

If it is the d-ring (below the retaining ring at the oil rail connection), this is not field-serviceable as far as I know. The external o-rings can be replaced, but the copper combustion gasket has to be changed at the same time.

Hope this helps. Let me know if you need more info.

Cochran

Bruce Amacker · February 16, 2006

Yes, Jason, I'm referring to the o-ring at the top of the injector where the high pressure oil feeds that commonly fails. I am getting conflicting information from various sources about the availability of replacement parts. Some Ford guys say they are changing the o-rings, some are telling me they change the injector, IH does list PN's and I have ordered them to see what they look like. My IH dealer says 1838014C1 is the o-ring, 1838010C1 is the "ferrell", and 1840060C1 is the snapring.

Update:

IH tech support called back and says they are not serviceable and the injector must be replaced. IH also called back and said the numbers are no longer available.

It looks like injector time..... /forums/images/%%GRAEMLIN_URL%%/frown.gif

Jim Warman · February 16, 2006

Bruce, we automatically change the injector... Honestly, I don't care if the parts are seviced separately, as far as I'm concerned, the injector body is suspect as well.

FWIW, I had one the day I left to come to school (it's a cold day in Edmonton and today I have my choice of unsecured DSL connections). No ICP, a contribution code for #2 (8 new injectors last month)) and an air test that proved my thinking. Couldn't see anything wrong with the injector but changed it anyway and retested... no air leak....

While I was waiting for the tow truck, I decided I was going to order an oil rail.....

Bruce Amacker · February 19, 2006

FYI:

Through my other connections I hear that Franklin Power Products will be remanufacturing the 6.0 injectors soon. They said when this problem occurs in the near future the fix will be to replace the injector "control", meaning the top part where the spool valve is. Two bolts, a new control with o-ring, and down the road.

cochran · February 20, 2006

I haven't heard yet that Franklin will be doing the reman, but its a possibility. The fix is just like you said - replace control valve body subassembly, retest, and that should be it.

Keith Browning · February 20, 2006

I have two follow-up questions if you can answer them.

First, I would presume that the replacement of the control valve body is because of the fit or machining of the retaining ring groove?

Second, is this going to be an approved "in the field" repair? Traditionally, fuel injection components are not to be serviced by "us mechanics." Although this is not an item that requires any calibration or specialized tools but cleanliness should still be stressed with great importance.

cochran · February 21, 2006

First question: Without going into too much detail, the machining of the groove has some impact, as does the ring itself (size and material).

Second question: This will not be a field repair. It will have to be done by the authorized reman center for the injector. Cleanliness, as you noted, is crucial, and the injector will likely be retested after the fix. No one in the field will have the equipment required for this testing (dedicated capital equipment needed).