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How to fix a Sunroof Leak!
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Gareth
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Member Since: 07 Dec 2004
Location: Bramhall
Posts: 18218

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Lux Auto Fuji WhiteDiscovery 4
How to fix a Sunroof Leak!

My car has never leaked in the past, but this lunchtime we left the car parked outside the shops, during a very heavy shower. When we returned and set off driving we were greeted with a heavy shower inside the car, coming out of the small led in the front seat roof light console.

I have just had a look at the sunroof, and dropped the headlining and found the the water to be coming over the front edge of the sunroof tray.

I found this by pouring a cup of water into the outside section of the sunroof tray with the roof open. If the car is facing uphill, the water drains away ok out of the rear drain tubes which run down the B pillar, the water escapes at the rear of the sill trim.

I then parked facing down the hill and repeated, the water came straight over the front edge of the tray and collected in the head lining.

Remove the A pillar inside trim (pull of the AIRBAG badge, and remove the torx screw), also remove the sunvisor by removing the small screw under the inside hinge behind the flap, 2 screws on the outside hinge/pivot, you have to carefully prise off the plasic cover to get to them, its quite hard to do without damaging it, but it looks cheap to replace if you do damage it.

Pull the door seal away from the top edge of the frame, and the A pillar, and remove the grab handle by undoing the phillips screws behind the small fold out flaps.

You can then pull down the headling to see the drain tube on the front corner of the sunroof. You can put your hand up the front edge of the headlining and then pull the pipe off the sunroof. You can then blow down it.

I could not blow down it, so connected up a bicycle pump and pumped air into it. Whatever was blocking it must have come out because water started coming out of rear of the front wheel arch. It was then easy to blow down the pipe. I reconnected the pipe and tried the cup of water test, and it then drained quickly away and came out of the bottom of the wheel arch. Both side were blocked.

Here is a picture of the drain tube attached to the sunroof.

Click image to enlarge


Click image to enlarge


Click image to enlarge


Click image to enlarge
 

Last edited by Gareth on 29th Jun 2008 6:44 pm. Edited 3 times in total 
Post #31549529th Jun 2008 4:08 pm
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Pelyma
  


Member Since: 06 Jan 2005
Location: Clymping, Sussex
Posts: 7362

England 2006 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

Might be a good idea to make this a sticky now that more cars are out of warranty
 DS3 TDV6 HSE
Silver with Alpacca (old one)

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Post #31549729th Jun 2008 4:11 pm
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SN
 


Member Since: 03 Jan 2006
Location: Romiley / Milton Keynes
Posts: 11969

England 2008 Discovery 3 TDV6 SE Auto Zermatt SilverDiscovery 3

what a bl**dy faff - good you got it sorted though Thumbs Up

Got told off by SWMBO during the same rainstorm earlier today. I'd just TSUNAMI'ed the oncoming traffic (which was creeping through 6 inches of water) in a road dip under a railway bridge near me Whistle
 Steve N | 2008 TDV6 SE Auto | Was 2006 TDV6 S Auto | Club Tunisia | Am I Online?
 
 
Post #31549829th Jun 2008 4:13 pm
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Gareth
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United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Lux Auto Fuji WhiteDiscovery 4

Stickied and re-named. Its just stopped raining again, so I'm going to see if it has worked.
  
Post #31549929th Jun 2008 4:17 pm
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Gareth
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United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Lux Auto Fuji WhiteDiscovery 4

Some more pictures.

Here is the very small drain hole in the tray, I've pointed the arrow at where to look, as it does not show on the photo. Its worth making sure its clear by sticking a pipe cleaner through it whilst the drain pipe is disconnected.

Click image to enlarge


This is where to pour the water. DO NOT POUR LOTS OF WATER IN!! the drains are not large and are not able to cope with a large amount of water at once, even when they are clear. Just dribble the water in.

Click image to enlarge


There are obviously front and rear drains. If the sunroof leaks when facing uphill, I would suspect it to leak around the B pillar area.
  
Post #31550129th Jun 2008 5:00 pm
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RLD
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United Kingdom 2005 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

Thumbs Up Thumbs Up good on you Gareth all these explanations are getting very good the site should stare charging for them Whistle when some one looks them up Laughing
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Post #31550329th Jun 2008 5:35 pm
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Ken
  


Member Since: 20 Feb 2006
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2014 Discovery 4 3.0 SDV6 HSE Lux Auto Aintree GreenDiscovery 4

Funny I have been playing with the headlining today for the rear cam wish I read this thread first would have checked first Laughing
  
Post #31551529th Jun 2008 6:46 pm
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ridgeback_moor
 


Member Since: 11 Mar 2008
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United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Stornoway GreyDiscovery 4

Cheers Gareth - just managed to unblock the front left drain based on your instructions, and sorted out the badly fitted a-pillar airbag cover (after windscreen replacement) at the same time Thumbs Up
 IID Tool Owner - worth it's weight in gold!

Previously:
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Post #31556229th Jun 2008 9:29 pm
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discocuzzy
 


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United Kingdom 2008 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

Your a star Gareth, mines just started to leak! Thumbs Up
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Post #3200579th Jul 2008 8:33 pm
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Gareth
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Member Since: 07 Dec 2004
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United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Lux Auto Fuji WhiteDiscovery 4

I can say that this fix has definitly worked, mine has been sat in lots of rain today, and is dry as a bone.
  
Post #3200939th Jul 2008 9:18 pm
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zaphod
 


Member Since: 18 Sep 2007
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Scotland 2005 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Me and Mrs Zaphod got a cold shower this morning after torrential rain overnight Big Cry Rain running down the inside of the windscreen, dripping from the map reading lights.

Will try this fix at the weekend................when it's stopped raining!
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Post #32052610th Jul 2008 7:40 pm
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SteveNorman
 


Member Since: 14 Oct 2005
Location: Somerset
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United Kingdom 

Land rover suggest removing wheel arch liners enough to get at the end of the drain tubes. The little valves are very small, it is suggested to trim them slightly to enlarge the hole, to stop them getting re-blocked.

The driver's side one which is visible when you remove the air intake grille, is usually blocked by the foam pad, & you can cut the foam away to help.

There is a TSB LA501-014

Regards
Steve
  
Post #32063611th Jul 2008 6:35 am
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Matt_Canada
 


Member Since: 12 Sep 2008
Location: Calgary
Posts: 8

Canada 2005 LR3 4.4 V8 HSE Auto Zambezi SilverLR3

I had exactly this problem - in heavy rain, water would come in but only when the LR3 was level rather than leaning backwards as it is on my driveway. The water got into the dash and caused all kinds of other issues which the stealer spent hours trying to misdiagnose. I wish I had seen the post before - now, I check those drain holes every so often just to make sure they are free of clag. Cheers!
  
Post #34334312th Sep 2008 11:58 pm
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Gareth
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United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Lux Auto Fuji WhiteDiscovery 4

Looks like I'm going to have to revist this one. Opened the car up this evening after it was parked in heavy rain, and the cup holders are full of water. The rain is coming in through the first row overhead light.

Its too dark to do anything now, so parked it facing up the drive for the evening, as I reckon its the front drains have blocked up again.

I will have a look at the other end of the drain tubes when I get chance, and see if I can find out what is blocking them.
  
Post #37126010th Nov 2008 1:19 am
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bearman
 


Member Since: 04 Sep 2008
Location: East London
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South Africa 2005 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

Gareth wrote:

Click image to enlarge




Got the call from the SWAMBO today, "Water leaking into Disco" , remembered reading this thread from Gareth symptoms tied up precisely.
Was all set to tackle the job when I got home. but Murphy threw me a curve ball and only got home very late from work so was in no mood to strip the interior. So looked for a short cut. As the disco was required for a school outing tomorrow and more rain predicted.

I removed the wind deflector, it clips out very easily when the sunroof is open, just apply a little upward pressure on each of the front corners. Found the drain holes as indicated in Gareth's picture by the red arrow. Poured some water into the channel and confirmed left front was blocked.

I used the ball inflater attachment on my tyre pump and used a silicone plug - which is created when the residue silicone dries in the nozzle - to create the seal. see pic below! After a few seconds of blowing, tried the water test and it flowed smoothly.
Click image to enlarge
  
Post #37280912th Nov 2008 8:32 pm
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