Leaking Truck cap - Diesel Forum - TheDieselStop.com
1999-2007 Upgrades and Aftermarket - General Upgrading or adding OEM or aftermarket equipment to your 1999-2007 Super Duty. Please confine discussion of topics in this forum to those items that are not engine-specific.

 
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post #1 of 6 (permalink) Old 10-12-2006, 03:22 PM Thread Starter
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Leaking Truck cap

Ok i just purchased a "slightly" used cap for my truck bed. Problem is that after it rains i have lots of leaks arround the side windows. is there something that i can seal all the glass or change the weather stripes. I dont need to be opening the sides. Thank you.
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post #2 of 6 (permalink) Old 10-12-2006, 05:54 PM
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Re: Leaking Truck cap

Who is the manufacture ?? You might check the screws on the inside trim ring of the windows to make sure they are tight.Could also use clear outdoor silicone around them but first i would have someone spray windows w/ a hose to find the leak. Good Luck

2005 F250 SD CC Lariat 6.0 FX4 (SOLD)
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post #3 of 6 (permalink) Old 10-12-2006, 08:08 PM Thread Starter
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Re: Leaking Truck cap

The cap is made by Century, it has been sitting inside the garage for about 6 months before i got it.I have tried the spraying the windows and i have found out that leaks are on the ends of the windows. I am going with the silicone tomorrow. Thank you
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post #4 of 6 (permalink) Old 10-12-2006, 10:10 PM
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Re: Leaking Truck cap

The windows come sealed with foam tape, sticky on one side, from the factory. After a year or so the foam starts to shrink and thus it leaks. I've had my ARE cap resealed once already, barely two years after buying it and now it is leaking again.

I'm going to hit it with black silicone now...

early 99 F350 4x4
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post #5 of 6 (permalink) Old 10-13-2006, 01:34 AM
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Re: Leaking Truck cap

A couple of tips for working with silicone....I did my cap a year ago.

Get yourself a small spray bottle of rubbing alcohol. After taping the area off (depending on your skill level-not meant to be a joke-)apply a bead just big enough to fill the gap. Then spray a fine mist of alcohol on the bead and surrounding area. Alcohol will thin the silicone and when you finger smooth, it it won't stick to anything with alcohol on it, including your finger.

A old Plumbers' trick...though I'm a Carpenter...

Patrick

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post #6 of 6 (permalink) Old 10-14-2006, 01:57 AM
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Re: Leaking Truck cap

Thank you. I just got the Clear silicone from Autozone. It is a tube with a release handle so i am hoping not to mess it up to much. One question .Do i use silicon on the inside the cap arround the striping or outside because ,few people told me to used it on outside?(i dont know anything about silicone but that seems wrong to me).Also i am planing to seal all glass on the cap.My cap is paited inside with some kind of liner to match the red collr outside. Will that affect the seal.
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