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waterproof distributor cap


shadowfox

Active Member
Joined
May 26, 2010
Messages
27
City
Central PA
Vehicle Year
1992
Transmission
Manual
I heard there's a way to water proof my distributor cap. has anyone here done it?
 
Dielectric grease worked on my old CJ's.
 
You don't have a distributor cap. Your engine (if it's the 4.0 in your user details) has EDIS (Electronic Distributorless Ignition System).
 
BAM! that just happened!

why do you want a waterproofed distributor anyways? they are quite water resistant, and if you are getting it wet on a regular basis, a) there is other things you should be worrying about over the distributor getting that wet, or B) you have a cap that needs to be replaced because it's not sealing well enough to keep spray out...
 
@wakingtowinter, I was taking it offroading a couple times and when i took it through some deep puddles it would just stop running and i thought that was wat it was
 
It could be that...i never had the problem with my ford yet, but i had a suzuki sidekick, and the distributer would get water sprayed on it and it would not run for like 30 mins. or untill you dried the distributer out....i used a couple ziplock bags, zip ties, and duct tape...haha i know, it was redneck but it worked fine...
 
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now sure about your truck, but in my 07, i bombed a few 4-6" deep puddles with my truck, i have more lift than the puddle was deep, they didn't come even close to my hubs really, and i sucked dirt and mud past my filter and had to change my maf... if you got the maf dirty, it could have killed it for sure...
 
Clear coat! i used to race a 88bronco II 2.9 tuff truck and the first time i hit the water hole it died.. distributor was soaked.. a few old timers told me a trick using a clear coat... spray a bunch of layers on the distributor worked awesome..

heres a video of the water.. http://www.youtube.com/watch?v=XjeGE9IwG94&feature=related
 
@shane96ranger the puddle was only like a foot or 2 deep and it only happened after the splash of hitting the puddle, and after it sat for 15 mins it was fine and i ran it out of the puddle. i just looked at it and it does have the EDIS, sorry. and not sure the crank position sensor is
 
EDIT: You may also be getting your crank position sensor wet, and that could cause it........just a thought.

That is a common issue on old sensors actually. Water on the sensor can cause lots of issues if the casing has a small crack.

Try a new CKP sensor.
 
That is a common issue on old sensors actually. Water on the sensor can cause lots of issues if the casing has a small crack.

Try a new CKP sensor.

not sure what they are worth, but it might be easier to test if that's the issue with a squirt bottle of water being sprayed on the sensor at an idle and seeing if it runs, rather than replacing the part, wouldn't you agree?
 
Yeah, a water test may help pinpoint a problem component. Those sensors aren't super expensive.
 
Spraying WD40 on things such as sensors and the dizzy help to repel water as well
 

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