Leaking cab marker lights
Printed From: Unofficial Allis
Category: Other Topics
Forum Name: Shops, Barns, Varmints, and Trucks
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URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=195814
Printed Date: 21 Aug 2025 at 6:41pm
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Topic: Leaking cab marker lights
Posted By: tractorboy
Subject: Leaking cab marker lights
Date Posted: 22 Jun 2023 at 7:20pm
I recently replaced my cab marker lights [97 silverado dually] . The originals were cracked & leaking. Got some high dollar replacements, [china] , & 2 of them are leaking too! What would be good to seal them up?? I'm thinking black RTV. Anyone had this problem ?? Had no idea there was a factory hole the size of a quarter for each light! thanks, in advance keith so. va.
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Replies:
Posted By: tadams(OH)
Date Posted: 23 Jun 2023 at 10:08am
| I would use clear silicone |
Posted By: Hubert (Ga)engine7
Date Posted: 23 Jun 2023 at 11:48am
X2. Zinc chromate putty would work good where the lights mount to the cab if you can find any. ------------- Just an old country boy saved by the grace of God. |
tadams(OH) wrote:Posted By: DMiller
Date Posted: 25 Jun 2023 at 5:21am
| Speak to a body shop nearby, I got a partial tube of a product they use to seal cab lights but was plain label on tube. Commercial and NOT a silicone that will develop its own issues later. |
Posted By: truckerfarmer
Date Posted: 25 Jun 2023 at 9:36am
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I take it the new lights didn't come with gaskets? Haven't dealt with them on newer trucks, but my square body GM trucks have had gaskets under them. Maybe make some gaskets out of something like an inner tube. ------------- Looking at the past to see the future. '53 WD, '53 WD45, WD snap coupler field cultivator, #53 plow,'53 HD5B dozer Duct tape.... Can't fix stupidity. But will muffle the sound of it! |