2000 Mercury Mountaineer Roof Leak

MERCURY MOUNTAINEER
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JAYMED281
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  • 1 POST
2000 mecury mountineer
I have water leaking from the roof on the front passanger side.
I have checked the door seals and the window seals. Any suggestion on what else it could be? could it be the roof rack?
Apr 19, 2007 at 6:27 AM
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BRUCE HUNT
  • ✓Experienced Mechanic
  • 3,754 POSTS
According to many things that I read on the subject there are three things to look at. One is rust on the under side of the car. Two, is the rubber seal that you have addressed and the third is the seams of the sheet metal. They may look tight but they are often the culprit. Locate any seams and apply a coating of clear silicone sealant. See if that takes car of your problem.
Jan 29, 2007 at 7:38 AM
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KNIGHTRIDERKITT2000
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  • 93 POSTS
is the water puddling up in the trunk, can you see where it is coming from, if lid and upper inside of trunk looks dry, do you have power antenna, sunroof, if so then there should be a drain tube for it and if the antenna is in the trunk the drain tube might have come loose and is draining into the trunk.
just 1 possibility
Jan 29, 2007 at 8:25 AM
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CAPTAIN HANK
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  • 32 POSTS
One source of water leaking into the trunk on Japanese cars is the gasket between the body and the rear tail light assembly. They seem to dry up and shrink and this open up gaps allowing rain water to get in. Remove rear len assembly and inspect and chaulk as necessary. This should help. Also, under the spare tire you will find some knockout or plugs to drain the water already in the trunk. Remove them to drain/air dry the trunk to keep it from getting moldy.
Jan 31, 2007 at 5:44 PM

Suggested Repair

Inspect underside rust, rubber seals, and sheet-metal seams. Apply clear silicone sealant to any seams that may be letting water in, even if they look tight.

Conversation Summary

A 2000 Mercury Mountaineer owner reported water leaking from the roof on the front passenger side after checking the door and window seals, and asked whether the roof rack could be involved. The expert suggested checking underside rust, rubber seals, and sheet-metal seams, then coating suspect seams with clear silicone sealant. Other replies discussed trunk drains, sunroof or antenna drain tubes, and tail-light gaskets, which did not directly match the reported roof leak.

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