Q&A for How to Fix a Leaky Sunroof

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What seal can I use for a 2004 Lexus LX sunroof?

Community Answer

You should use a flex seal. It's an aerosol can spray that seals anything to make it completely waterproof, but it is still flexible.

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Question

How do I seal a leaky sunroof?

Community Answer

It depends on the style of sunroof you have. Some have replaceable seals, while others need to have the glass replaced as the seal is non replaceable or not designed to be.

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Question

Where are the drain tubes located on a 2004 Buick Rainier?

Community Answer

You can find the drain tube outlets inside the wheel wells on all 4 corners. There are 'nipples' that keep bugs and debris from entering the tubes and clogging them from the outside and they don't protrude very far out from the inside of the fender well. Up top, they are located in the rack with the front two being accessible with the roof open. Do not blow compressed air through these holes! The drain tubes are plastic until they meet up behind the dash to the rubber hose that runs out of the car. Compressed air can separate these lines and then you WILL have water inside your vehicle. Access to the connection is normally through pulling the dash apart to get at them in the front.

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Question

I have a Buick Lucerne and it's constantly dripping water from my sunroof into my car. What is the problem?

Community Answer

Your weather lining on the sunroof is worn or cracked. Have it fixed as soon as possible.

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Question

My drain tube keeps sliding out of the rubber boot at the sunroof, and I have tried several glue options. What will adhere to the tubing, which is very high in oil content?

Community Answer

Try using dual-wall heat shrink tubing to connect the two together. It will shrink when heated and hold them together.

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Question

I have an '02 PT Cruiser with moon roof. One rainy morning, I got in the car and my dome light was filled with water! No water was on the seat or floor, except what was dripping from the dome light. An auto shop checked the sunroof drains. No clogs. They recommended taking it to the dealer. Opinions?

Community Answer

Take it to the dealer and ask their opinion. However, don't get the service done by them, take it to a different auto place and see if they recommend the same service (and will probably do so at a lower rate).

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Question

What do I do if my sunroof is leaking around the edges due to rust? What's the best way to seal it permanently?

Drew Hawkins1

Community Answer

Try taping it off with masking tape and applying black silicon on top of the seal to keep it watertight. You won't be able to open your sunroof, but it will keep water from getting in.

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Question

How do I find the source of the leak of my leaky sunroof?

Drew Hawkins1

Community Answer

Check the drain holes and the drain tubes to see if they're clogged. Clean the tracks, openings, and tubes so water can properly drain through them.

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Question

What do I do if my sunroof is sagging on one side in my vehicle? Is there a cheap fix for this?

Drew Hawkins1

Community Answer

It may be sagging because of pressure from water on top of it. Check your drain tubes to make sure they're clear and aren't holding water.

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