Question about 2003 Chevrolet Silverado 1500
Lately when it's wet (raining hard)or very humid my truck will turn over but not start. battery is good. acts like something is wet . replaced dist.cap & rotor.contacts were corroded. weeks later it's doing the same thing. any ideas??
Did you change the plug wires when you changed dist. cap and rotor?? If not and you want to be sure they are the prob, wait till it's sunny outside and the truck works fine, then get a spray bottle (like an empty windex bottle or something) and put some salty water in it and spray the wires with it when the truck is running. If the engines starts to act up, sputter and what not, the wires are done for, throw em and change em. Also if it's dark enough you will usually easily see the sparks flying around the wires and all when you spray them. Coil isolation might also be the problem, but it's alot rarer than the wires. Same test procedure can be easily done here also. If both those test out good with the salty water, then it's going to be harder to pinpoint, but at least the good ol' salty water trick will work with anything related to humidity/rain and will help you size down the possible problems and areas that can be in fault.
Posted on Dec 31, 2013
Testimonial: "interesting! thank you. would have never thought of salty water."
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Posted on Jan 02, 2017
these vans where kind off know for haveing problems with there dist. check the dist cap for cracks, check the coil wire also. what has happened is that mosture is getting in some where and probley the cap is at fault. when s the last time the vech has had a decent tune/up cap rotor plugs wires . replace the cap and rotor and coil wire, should solve your problem . but i would recommend looking at the other tune /up parts good luck kdc744
Posted on Dec 24, 2008
pull off the center console inside the van to expose the engine. the distributor will be right in front of you. remove 2 screws from the cap, and make sure you get the wires on in the exact order you remove them, or else it wont start. rotor is underneath cap, and i believe the coil is right there on the cap.
Posted on Feb 28, 2009
I had the same problem and replaced the Dist. cap and rotor it had moisture in it and was corroded.
once replaced had no problems.
Posted on Apr 30, 2010
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