WES180

Possible Mk3 Boot Leak?

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Well it's done. The side vents were tight and appeared well sealed, but the 2 larger rear seals were loose and grimey when checked. Once removed, both cavities had water in them. So he cleaned it all out, dried it up, and sealed all 4 vents back up with sealer. He checked the light seals and they were all good. Finally, he washed and valeted all of the carpet in the car. So its like new. Hopefully it will keep the water out. 

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49 minutes ago, reilig said:

Well it's done. The side vents were tight and appeared well sealed, but the 2 larger rear seals were loose and grimey when checked. Once removed, both cavities had water in them. So he cleaned it all out, dried it up, and sealed all 4 vents back up with sealer. He checked the light seals and they were all good. Finally, he washed and valeted all of the carpet in the car. So its like new. Hopefully it will keep the water out. 

hopefully that should sort it out  

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2 hours ago, reilig said:

Well it's done. The side vents were tight and appeared well sealed, but the 2 larger rear seals were loose and grimey when checked. Once removed, both cavities had water in them. So he cleaned it all out, dried it up, and sealed all 4 vents back up with sealer. He checked the light seals and they were all good. Finally, he washed and valeted all of the carpet in the car. So its like new. Hopefully it will keep the water out. 

I'm glad he had the common sense to seal all 4 while it was stripped down, it's amazing how many people would've only sealed the one that showed signs of leaking! Hopefully that's the problem sorted for you now!🙂

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4 minutes ago, WES180 said:

I'm glad he had the common sense to seal all 4 while it was stripped down, it's amazing how many people would've only sealed the one that showed signs of leaking! Hopefully that's the problem sorted for you now!🙂

Do you know what? He didn't have the common sense to seal all 4. I just per chance arrived back as he was about to put the bumper back on and I asked if he sealed all 4 and he said that he only did 2 because the 2 smaller ones had a good seal. He wasn't too impressed when I demanded that he take out the 2 smaller vents and seal them too before putting back on the bumper. 

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1 hour ago, reilig said:

Do you know what? He didn't have the common sense to seal all 4. I just per chance arrived back as he was about to put the bumper back on and I asked if he sealed all 4 and he said that he only did 2 because the 2 smaller ones had a good seal. He wasn't too impressed when I demanded that he take out the 2 smaller vents and seal them too before putting back on the bumper. 

Typical, good job you got there then! It would probably have been a matter of time before the others leaked too. 

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Can I also add my thanks to the OP for this thread. All of the signs on my Mk3 2011 Focus were the same as others already described here, heavy condensation, water in the spare wheel bay etc.

After opening the grommet on the near side about half a litre of water poured through. Although there was no obvious damp on the driver side inside, I opened the grommet on that side and promptly got a soaking from another 200-300ml of water. 

The issue as others already said is in the build up of water in the cavity through the seals, which while the car is in motion or under braking shifts the water into the adjoining spare wheel bay and forward compartments through holes 2-3cm up from the bottom of the cavity. In this case then the driver side was building up water but not yet enough to run into the body elsewhere, but over time it would have done so.

I found it necessary to disconnect the light cluster housing (but not the cable) before the bumper as it allows you to see the bracket.

Parking sensors definitely do not need to be disconnected, the retaining clips for the bracket pull through with some subtle persuasion and the cable is just long enough to rest the bumper on the floor. 

As a novice it did take most of the day, but it is perfectly doable. Having done it once it could be done in 1-2 hours. 

A surprisingly rubbish piece of engineering by Ford. 

 

 

 

 

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My mk3 focus Estate is leaking rainwater in from the roof somewhere. It's coming out of the vent on the rear offside pillar and dripping onto the parcel shelf. Has anyone seen this before? 

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Hi guys I’ve read the this thread as I also have water coming into my mk3 Ford Focus I’ve done what you’ve said and pulled the gromits out on both sides but no water came out I’ve checked the spare wheel well and it’s full of water now I’m stumped to be honest as to where the water could be coming in do I still pull the bumper off and seal the vents or is there no point if there’s no water in the cavity pockets behind them 

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10 hours ago, Gar123 said:

Hi guys I’ve read the this thread as I also have water coming into my mk3 Ford Focus I’ve done what you’ve said and pulled the gromits out on both sides but no water came out I’ve checked the spare wheel well and it’s full of water now I’m stumped to be honest as to where the water could be coming in do I still pull the bumper off and seal the vents or is there no point if there’s no water in the cavity pockets behind them 

Was the insulation dry in the cavity too?

Grease the foam on the rear of the light clusters to rule those out. If it's still leaking the remove the interior trim in the boot and sit a running hosepipe on the roof and wait to see where the water is getting in.

 

 

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15 hours ago, WES180 said:

Was the insulation dry in the cavity too?

Grease the foam on the rear of the light clusters to rule those out. If it's still leaking the remove the interior trim in the boot and sit a running hosepipe on the roof and wait to see where the water is getting in.

 

 

Insulation was a little bit damp but not soaking but I will take on board your advice and give it a go many thanks for replying I’ll let you know how it goes 

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Another 2013 Mk3 with this problem I suspect - noticed damp rear seats recently as they've been down a lot for carting stuff to the tip and this morning before going for MoT I noticed the wheel well full of water. Unfortunately I no longer have a driveway to work on and it's chuffing it down at the moment, but I'm going to have to address this as I suspect it's been like this for a while so I'll try and borrow a mates drive or garage for the day. I quickly stuck my hand under the bumper looking for the grommets this morning but no joy - can't seem to find them or any holes. Am I missing something? I assume they'll be near the back of the compartment and I should be feeling around for a flat base since that's how it looks in all the photos, am I correct?

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30 minutes ago, deckmonkey said:

Another 2013 Mk3 with this problem I suspect - noticed damp rear seats recently as they've been down a lot for carting stuff to the tip and this morning before going for MoT I noticed the wheel well full of water. Unfortunately I no longer have a driveway to work on and it's chuffing it down at the moment, but I'm going to have to address this as I suspect it's been like this for a while so I'll try and borrow a mates drive or garage for the day. I quickly stuck my hand under the bumper looking for the grommets this morning but no joy - can't seem to find them or any holes. Am I missing something? I assume they'll be near the back of the compartment and I should be feeling around for a flat base since that's how it looks in all the photos, am I correct?

20190314_090903.thumb.jpg.0fa788dc716b3cacce49c010c7a3d2f6.jpg

The grommet is just inside here.

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On 3/12/2019 at 11:18 PM, Gar123 said:

Insulation was a little bit damp but not soaking but I will take on board your advice and give it a go many thanks for replying I’ll let you know how it goes 

Greased the rear of my lights went out the day after to check as it hammered down with rain all night and the spare wheel well was dry as a bone so with a bit of luck that’s solved the problem but will keep checking thanks for your help Wes 

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On 5/30/2015 at 4:40 PM, WES180 said:

Right, here we go again! Went out this morning and the boot was dry but when i pulled the grommet out underneath the car it was full of water again!!!

This called for some more investigation so off came the back bumper. Turns out the vents fitted behind the bumper were a poor fit so they were not sealed properly. You could see where water had tracked down from the roof past the lights etc and then onto the top edge of the vent. Once the vent was removed it was obvious that was where the water was getting into the cavity as it was full of dirty rain water residue between the clips highlighting that the seal had failed.

phone%20pics%20145_zpsnuffflye.jpg

I cleaned all the surrounding area and dried the cavity and insulation out with a hair drier, this took some time as the insulation was saturated. You can see through the body cut out in the pic above where the underside grommet is removed to let the water out. This was replaced when everything was reassembled.

phone%20pics%20141_zps8f4qxwhw.jpg

Once that was all clean and dry I siliconed around the open edge of the body and also the back of the vents for good measure before clipping it back into place and smoothing the silicone around the edges. I did this to both side vents and both rear vents to be on the safe side.

phone%20pics%20147_zpslxoxlvna.jpg

Basically what was happening was the water was tracking down behind the light cluster and getting into the body of the car via the poor seal on the vent. This caused the cavity to fill with water and then when driving the car and going around corners the water was spilling over into the boot floor area through a hole about 20mm up from the bottom of the cavity.

I hope this helps somebody as I couldnt find any information regarding boot leaks on mk3's anywhere and Ford were useless as seals are only guaranteed for 12 months!

I will remove the grommet again next weekend to make sure it is finally 100% sorted but all the signs were there to suggest it is. Im just hoping there is no secondary leak point!

 

On 5/30/2015 at 4:40 PM, WES180 said:

Right, here we go again! Went out this morning and the boot was dry but when i pulled the grommet out underneath the car it was full of water again!!!

This called for some more investigation so off came the back bumper. Turns out the vents fitted behind the bumper were a poor fit so they were not sealed properly. You could see where water had tracked down from the roof past the lights etc and then onto the top edge of the vent. Once the vent was removed it was obvious that was where the water was getting into the cavity as it was full of dirty rain water residue between the clips highlighting that the seal had failed.

phone%20pics%20145_zpsnuffflye.jpg

I cleaned all the surrounding area and dried the cavity and insulation out with a hair drier, this took some time as the insulation was saturated. You can see through the body cut out in the pic above where the underside grommet is removed to let the water out. This was replaced when everything was reassembled.

phone%20pics%20141_zps8f4qxwhw.jpg

Once that was all clean and dry I siliconed around the open edge of the body and also the back of the vents for good measure before clipping it back into place and smoothing the silicone around the edges. I did this to both side vents and both rear vents to be on the safe side.

phone%20pics%20147_zpslxoxlvna.jpg

Basically what was happening was the water was tracking down behind the light cluster and getting into the body of the car via the poor seal on the vent. This caused the cavity to fill with water and then when driving the car and going around corners the water was spilling over into the boot floor area through a hole about 20mm up from the bottom of the cavity.

I hope this helps somebody as I couldnt find any information regarding boot leaks on mk3's anywhere and Ford were useless as seals are only guaranteed for 12 months!

I will remove the grommet again next weekend to make sure it is finally 100% sorted but all the signs were there to suggest it is. Im just hoping there is no secondary leak point!

Hi mate i am having the same problem with my 2012 focus but the water is in the boot and also the front and back passenger side floor is soaking could this be the same issue or more than one problem? Its really getting me down only had the car a year thanks 

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If the water in the spare wheel well gets high enough then yes it could spill over into the footwells too. Best thing to do is pull the bungs out from underneath and see if the side cavities are full of water then follow the advice above if it is. The side cavities fill first and then spill into the spare wheel well. I always grease the foam on the rear light clusters to ensure a water tight seal on those too.

20190314_090903.thumb.jpg.0fa788dc716b3cacce49c010c7a3d2f6.jpg

The bungs are located where the red arrow is on either side. Stick your head under the car and you should spot them easy enough. Mine only leaked on the passenger side but I sealed around all the vent edges whilst the bumper was off.

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