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post #1 of 4 (permalink) Old 31st January 2014 Thread Starter
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Question Megane III blocked scuttle drain?

Hi All,

I'm hoping someone can help me out because I cant find anything related to the mk3 version of the megane and removing the scuttle cover. I have had a quick look and it seems that it is clipped in around the bottom and then it is 'wedged' under the plastic side parts at the bottom of the windscreen. I think both drains are blocked under here as I can here water sloshing about when I turn corners, I think this also caused a problem with the air vent intake when we had very heavy rain as when I had the car serviced the mechanic mentioned there was water residue in there.

any help on this much appreciated.
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post #2 of 4 (permalink) Old 31st January 2014
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Re: Megane III blocked scuttle drain?

Reading your post I decided to have a quick look around myself .
The front springs were lowered and I knew at the least the mechanic had to remove the tray to get at the strut bolts.
I wiggled the part of the tray mounting that goes up under the hinge and something popped off,so I had to remove the side black trim pieces to get at it.They would have to come out anyway.
I took off the other side too as it was no harm to clean under them,there was a lot of crud there.

In the pic you can see the 3 points of attachment of the trim pice the fourth ,in the middle is where the rear of the tray clips on to the hinge bolt.

Take off the bonnet sealing rubber and youll see the scuttle tray is in 2 pieces.
I cant swear to it but Im fairly sure the mechanic didnt have to take off the wipers to remove the lower part of the scuttle tray.
This is as far as I went as my drains arent blocked and keen as I am to help out ,I didnt want to "scuttle" my own..groan .
btw took the mechanic like 10 mins to get the lower tray out and the same to put back..thats if he did take it out fully.I do know the side pieces came off cos I saw them left aside even tho vehicle was up on a hoist.
Maybe..worth investigating if just removing the bonnet rubber seal and side pieces will allow you to "lift " the top piece of the scuttle to gain access even without taking the wipers off.
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post #3 of 4 (permalink) Old 14th August 2015
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Re: Megane III blocked scuttle drain?

You can clear the passenger side without taking the wipers off. I used a length of net curtain wire to clear the pipe first then ran the garden hose through it for a minute.
Car was parked on a slope facing down and we had heavy rain took it out and the water was running in the passenger footwell
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post #4 of 4 (permalink) Old 9th January 2016
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Re: Megane III blocked scuttle drain?

On the MK3, getting the plastic cover / assembly off and actually getting at the scuttle drain inlets to clean is relatively straightforward.

The hardest part is taking off the windscreen wipers and refitting / realigning them later.Once the plastic covers are prised away with a small scredriver, a 17mm spanner is required to get the retaining bolt off, use a bit of WD40 + pressing down the spring tensioner on the wiper arm should free them once the bolt is off.

The rubber seals etc round the grille assembly need to be pulled away carefully, and the hard plastic bit extending up the windscreen is held in place by two plastic popper bolts on each side which come out with a gentle prising from a screwdriver.

It's then just a case of lifting the cover off and the offending scuttle holes are exposed. I just cleaned the various gunk out, pine needles seem to love aggregating there, and stuck a hosepipe down for a few minutes.

I'd recommend this as routine care & maintenance - I had the "fish tank" issue on mine with water in the footwell + damage to the wiper motor (replaced) + the blower had to be fixed....
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