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post #26 of (permalink) Old 5th March 2007
Technical Supremo

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Leaky Laguna

Yeh it's that time of year when all the leaks show up. Renaults aren't the only cars suffering these problems at the moment. Have you checked the air inlet system to the heater - after the autumn and then the frost you may find it is blocked with gunge - basic dead leaf litter and such. In my experience that's always the first place to check. When this inlet blocks gallons of water usually pour in via the heater - it doesn't run out the heater outlets bit it's more likely to spill out of the seams in the heater system and travel under the carpet and sound proofing which usually has a waterproof membrane on one side - so it collects up unnoticed unti it really deep. Remember all the water shed from your widscreen will be directed towards this inlet. When trying to seal up the door panels - check first if the drain-holes in the bottom of the door are clear - poke them with a bit of fine wire. Gaffer tape is not fully waterproof and eventualy fails in wet conditions and is only a temporary repair. The best way is to strip the inner panel from the door - get a piece of heavy duty polythene and cut to shape then use a silicon sealant (bath sealer will do) to stick it down - one other method is yo use a hot glue gun if you have one. Don't forget wate rgets inside all car doors. If you need to remove it later heat it with a hair dryer and it usually peels away quite nicely. I can't figure out why people rip and tear at the polythene cover when a little patience and a hair dryer makes it dead easy and much cheaper in the long run.
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