Lots of water in my spare tyre well

Lots of water in my spare tyre well

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IDontKnowCars

Original Poster:

172 posts

110 months

Thursday 12th April 2018
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I am struggling to get much more of the interior fabric off other than the bottom, It seems like it is a massive piece that is held on behind lots of other things. Can I probably get away somewhat with not having all of that off for the diagnosis?

IDontKnowCars

Original Poster:

172 posts

110 months

Sunday 15th April 2018
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I filled up a bucket and a 2L water bottle yesterday a few times and slowly poured all the water over the boot door, hinges, rear lights, and any crevices that I could possibly find whilst my girlfriend was sitting in the boot watching for any water. After 3 passes of this, we noticed no water coming through anywhere.

I ever tried opening up the boot and pouring water onto the roof to see if the drainage channels around the boot were working satisfactorily. Again, no water ingress was seen.

Because of this, I have no idea where the water could have came from. I was hoping to find some sort of leak yesterday so that I know what I had to tackle, but now it seems like I am just in a waiting game again until it re-occurs.

Any ideas?

loose cannon

6,030 posts

241 months

Sunday 15th April 2018
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Yes use a hose pipe on sprinkle, and it might take a lot longer than 2 mins

loose cannon

6,030 posts

241 months

Sunday 15th April 2018
quotequote all
Yes use a hose pipe on sprinkle, and it might take a lot longer than 2 mins

RobXjcoupe

3,171 posts

91 months

Sunday 15th April 2018
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Does the rear wash wipe supply pipe leak water into the boot? It can fracture where it enters the hatch from the roof.
My mk1 Focus estate has done it 3 times.

IDontKnowCars

Original Poster:

172 posts

110 months

Sunday 15th April 2018
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The civic doesn't have back washers. So I can at least discount that as a cause.

RobXjcoupe

3,171 posts

91 months

Sunday 15th April 2018
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IDontKnowCars said:
The civic doesn't have back washers. So I can at least discount that as a cause.
Does it have plastic covers on the roof covering the roof gutters, where say you might attach a roof rack?

IDontKnowCars

Original Poster:

172 posts

110 months

Sunday 15th April 2018
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I think so, yes. There are long black plastic strips running front to back each side. There is a small gap to the outer side on each.

IDontKnowCars

Original Poster:

172 posts

110 months

Sunday 15th April 2018
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It has started raining here and I have found the general area that the water is coming in.

The water seems to be coming in near the back of the boot on the passenger side. I can only see it dripping down from under the fabric (Which I haven't managed to get off). It is the area where the wheel arch is.

Any idea what could be the cause? It doesn't seem to be the common issues such as the windows or lights.

RobXjcoupe

3,171 posts

91 months

Sunday 15th April 2018
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Can you post a picture please?

IDontKnowCars

Original Poster:

172 posts

110 months

Wednesday 25th April 2018
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RobXjcoupe said:
Can you post a picture please?
Sorry it took me a while to get a photo.

This is the water that came in after some rain today.

It only shows where it has pooled after driving, but I have highlighted where I saw it coming in originally. It seeps from under the trim where I have circled. I have not managed to get this trim off.


GreenV8S

30,194 posts

284 months

Wednesday 25th April 2018
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IDontKnowCars said:
I have highlighted where I saw it coming in originally. It seeps from under the trim where I have circled.
That looks like a layer of material stuck to the bodywork. If so, I would look for places where water could get between the material and the panel at the top of that panel.

Elliot2000

785 posts

176 months

Thursday 26th April 2018
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Is that on the side with the fuel filler?

IDontKnowCars

Original Poster:

172 posts

110 months

Thursday 26th April 2018
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GreenV8S said:
That looks like a layer of material stuck to the bodywork. If so, I would look for places where water could get between the material and the panel at the top of that panel.
It's not stuck down, the trim can be lifted (I can bend it somewhat away). I just can't get it all off because it is a massive single piece that is for practically the entire rest of the boot trim.

IDontKnowCars

Original Poster:

172 posts

110 months

Thursday 26th April 2018
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Elliot2000 said:
Is that on the side with the fuel filler?
Yes, it is.

RobXjcoupe

3,171 posts

91 months

Thursday 26th April 2018
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I think that trim needs to be removed to see exactly where this leak originates from

Elliot2000

785 posts

176 months

Thursday 26th April 2018
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IDontKnowCars said:
Elliot2000 said:
Is that on the side with the fuel filler?
Yes, it is.
The filler neck is likely to pass between the inner and outer skin of the bodywork, if the seal is ou of place or split then that could be the origin of your leak. Check it carefully and try letting ur hose run down the side of the bodywork around the flap to see if it starts coming in

manmaths

446 posts

140 months

Friday 27th April 2018
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IDontKnowCars said:
It's not stuck down, the trim can be lifted (I can bend it somewhat away). I just can't get it all off because it is a massive single piece that is for practically the entire rest of the boot trim.
You are making progress but the boot trim needs to come out. It's designed to come out - you just need to take your time with it. Various bends and tabs hold it in place. I had the boot in my '16 insignia completely back to bare metal and only then could I see exactly where the water was coming in, not just where it pooled 1st.

As I said earlier this was a rubber bung in the rear light cluster, and TBH I would take a good look at this area on your car. Does the entire light cluster come off for changing bulbs etc?

Water ingress in cars is incredibly annoying but could be a very simple solution as in my case.

IDontKnowCars

Original Poster:

172 posts

110 months

Friday 27th April 2018
quotequote all
Elliot2000 said:
The filler neck is likely to pass between the inner and outer skin of the bodywork, if the seal is ou of place or split then that could be the origin of your leak. Check it carefully and try letting ur hose run down the side of the bodywork around the flap to see if it starts coming in
I didn't test that area much. I'll give it a splash and see what happens. Thanks for the idea!

IDontKnowCars

Original Poster:

172 posts

110 months

Friday 27th April 2018
quotequote all
manmaths said:
You are making progress but the boot trim needs to come out. It's designed to come out - you just need to take your time with it. Various bends and tabs hold it in place. I had the boot in my '16 insignia completely back to bare metal and only then could I see exactly where the water was coming in, not just where it pooled 1st.

As I said earlier this was a rubber bung in the rear light cluster, and TBH I would take a good look at this area on your car. Does the entire light cluster come off for changing bulbs etc?

Water ingress in cars is incredibly annoying but could be a very simple solution as in my case.
I'll have another go this weekend if the weather picks up a bit. Hopefully I can get a bit further. Is it likely that I will have to remove all the plastic surrounding the passenger door and all the trim around that area too? At the moment it looks as if the boot trim extends all the way forward and is held in place by this other trim :/

Any chance anybody has any instructions for a 2008 UK Honda Civic so that it is not pure guesswork?