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    Caps Injector Pump 4089664RX on a 8.3 Freightliner 04.

    I did hear a cple pple suggest changing over. But I'd be scared to find out what a full conversion may cost at this point.
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    Caps Injector Pump 4089664RX on a 8.3 Freightliner 04.

    My plan is to double check the snubber valve torque just in case. No luck there, then give the gear pump a good knock just incase it is a stuck valve. Can't get into that module of course. Then if that fails, it seems I may be back to buying a whole new refurbished pump. So at that point...
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    Caps Injector Pump 4089664RX on a 8.3 Freightliner 04.

    Yes I've had to go into a deep dive on these pumps. So even tho Cummins suggested it was the distributor module with the issue. Once I got a new one and it leaked from the same hole, I then realized that was a big mistake. At that time I could see why they assumed the distributor module was...
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    Caps Injector Pump 4089664RX on a 8.3 Freightliner 04.

    Ok thanks. I was guided to this forum from another one. With a comment about more mechanics may be able to help on this forum. Cheers
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    Caps Injector Pump 4089664RX on a 8.3 Freightliner 04.

    I have a FL80 Freightliner. I'm leaking fuel from one of the 6 small weep holes that surround the distributor module on a caps injector pump. I was told that this was my issue. So I replaced the distributor module and still have the leak. I would assume there should be reason or reasons why...