Fuel Injector Failure When it Rains - Page 2 - Dodge Cummins Diesel Forum
4th Gen Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine, Transmission, etc...NO ADVERTISING

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post #13 of 16 (permalink) Old 06-12-2019, 09:08 AM
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Ramrocker,
Thanks for the Bulletin. That's the one my dealer is addressing. So far I've missed two trips due to this issue.
They still don't have the new injectors and cant tell me when it will be finished.


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post #14 of 16 (permalink) Old 06-12-2019, 09:59 AM Thread Starter
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Originally Posted by jgruberman View Post
Would it help to put some dielectric grease in the connector plug to keep water out?

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Anyone know if this would help?

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post #15 of 16 (permalink) Old 06-12-2019, 01:27 PM
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Originally Posted by jgruberman View Post
Anyone know if this would help?
Dielectric grease helps. I put it inside a connector on the pins if I have one apart where the connector could get water on/in it from splash/spray.
The connectors rely on the seals around each wire as well as the connector's mating seal.

Permatex 22058, Loctite 495549, was used on the spark plug boots.
Used to see dielectric grease inside connectors on older pickups.
Haven't noticed grease inside the one or two connectors I've had apart on the Ram.
I figure the trick would be getting the grease deep enough into the connector cavities to keep water from length of the connector metal.
1st pict is just of my trailer tow while I had it apart to add a tap splice on the wire. I added some grease to those pins.
Probably need to pull the bumper and bed T connector & add some in them as that's a common place for corrosion.
2nd is from a transmission problem post https://www.cumminsforum.com/forum/4...ngagement.html
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post #16 of 16 (permalink) Old 06-24-2019, 10:13 AM Thread Starter
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I took apart the giant connector under the wheel well and the inside was bone dry... I don't understand how this is happening. Last night, it was 4 injectors that "were open" and the truck drove like . Turned it on this morning and everything was fine.

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