05 deville sunroof leak...had enough
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1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, 05 deville sunroof leak...had enough in Past Cadillac Vehicle Discussion; Tried weedwacker line. No success. Rear drains fine. Its the front two that are clogged. Weedwacker line stops near wheel ...
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    sleepymarks is offline Cadillac Owners Member
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    05 deville sunroof leak...had enough

    Tried weedwacker line. No success. Rear drains fine. Its the front two that are clogged. Weedwacker line stops near wheel well. Hole in wheel well turns in at an angle. Any suggestions. Been fighting this for about a year. Very fed up. You can tell by my short sentences.

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    MoistCabbage's Avatar
    MoistCabbage is online now Cadillac Owners 10000+ Posts
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    Have you removed the plastic wheel well liners, and checked for a clog at the rubber outlet grommets?

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    Trench's Avatar
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    Re: 05 deville sunroof leak...had enough

    I do not have sunroof and have never seen what type of material these drain lines are made of, so this may not be a good idea if they are weak/flimsy.

    But how about a blow gun and an air compressor? give it a few quick bursts and hopefully dislodge the clog.

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    sleepymarks is offline Cadillac Owners Member
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    Re: 05 deville sunroof leak...had enough

    Quote Originally Posted by MoistCabbage View Post
    Have you removed the plastic wheel well liners, and checked for a clog at the rubber outlet grommets?
    Ive removed the flap but i dont see any "grommets" pictures would help incredibly.

    ----------

    Quote Originally Posted by Trench View Post
    I do not have sunroof and have never seen what type of material these drain lines are made of, so this may not be a good idea if they are weak/flimsy.

    But how about a blow gun and an air compressor? give it a few quick bursts and hopefully dislodge the clog.
    Cant use compressed air due to the flimsy tubes. Thanks though.

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    MoistCabbage's Avatar
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    I don't have a picture or diagrams, but they look like pinched tubes.

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    Re: 05 deville sunroof leak...had enough


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    sleepymarks is offline Cadillac Owners Member
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    Re: 05 deville sunroof leak...had enough

    That helps a lot! Thanks! Looks like I'm probably getting stuck at the bottom where 18 and 16 meet or in the weird turn in 16.

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    Re: 05 deville sunroof leak...had enough

    Can you locate the end of #18 and maybe go in from there?

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    sleepymarks is offline Cadillac Owners Member
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    Re: 05 deville sunroof leak...had enough

    Quote Originally Posted by Ranger View Post
    Can you locate the end of #18 and maybe go in from there?
    Tried but that first turn in 18 is too much of an angle

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    70cougar is offline Cadillac Owners Enthusiast
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    Re: 05 deville sunroof leak...had enough

    I've used low pressure air several times on mine & it always has worked to clear front drain clogs without hurting the tubes. Maybe I've been lucky, but using wire, etc. never worked so I went with air.

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    Re: 05 deville sunroof leak...had enough

    Compressed air is an option, but it's also a gamble. If the clog is bad enough (it shouldn't be) that it won't budge, then something has to give when the pressure gets high enough and that something would probably be where the drain hose attaches to the sun roof up top. If that happens, you have much bigger fish to fry. If you try the compressed air, do it slowly as opposed to a hard blast. Might even put a regulator on the compressor to keep the pressure low.

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    sleepymarks is offline Cadillac Owners Member
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    Re: 05 deville sunroof leak...had enough

    I dont have an air compressor...guessing that the one at gas stations wont work?

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    You're better off finding the flapper valves then. They get brittle, poor design IMO.

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    70cougar is offline Cadillac Owners Enthusiast
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    Re: 05 deville sunroof leak...had enough

    Quote Originally Posted by Ranger View Post
    If you try the compressed air, do it slowly as opposed to a hard blast. Might even put a regulator on the compressor to keep the pressure low.
    That's what I do, using a regulator on my compressor set at no more than 10psi. Then I put the nozzle end in the upper hole but don't put it in tight, so if there is a hard clog the air can escape back around the nozzle. Again, this has worked fine a number of times, with no problem. In each case, it was clogged enough that I'd get water dripping inside when it rained.

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    Re: 05 deville sunroof leak...had enough

    Yeah, it would stand to reason that it would not be a very hard clog. Just some light dirt and sediment.

    Another alternative if you don't have a compressor would be to fill the tube with water and use a squeeze bulb or turkey baster or such to "pump" water into the drain tube under a bit of pressure (hydraulics). Obviously you'll have to seal the opening in some way.

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