This is something anyone who owns a car with a sunroof should do occasionally, esp if you park outside under trees a lot: check to make sure your drain tubes are not obstructed. (slowly pour water down the drain tube openings on either side of sunroof "tray" test, to see if water drains to outside of car, as it is supposed to)
If drain tubes are clogged, water WILL find its way into the headliner, A pillar and if the clog is further down, expect a very wet carpet and floorpan. One may not notice this in time, unless it is after a huge rainstorm where the amount of water is hard to miss inside the car - otherwise it happens SLOWLY overtime, while mold and nasties can be happily growing without you knowing.
- Clean the sunroof "tray" occasionally, make sure it is free of debris.
It seems most people who chase a leak in their cars hardly ever think of this as the cause, and even professionals don't think of it much.
IF drain tubes are clogged, and don't pass the "water test", one can use weed trimmer line, or a speedometer cable (from a kit, with unfinished ends) and as a LAST resort, compressed air.
(I had success with weed trimmer line 0.095 size, and warm water - and luckily I noticed the 1st signs very early on after several days of heavy rains, which show the signs quicker).
READ THIS: (The article contains a video about on how bad this can be)
Damage From Clogged Sunroof Drains
WATCH THIS:
If drain tubes are clogged, water WILL find its way into the headliner, A pillar and if the clog is further down, expect a very wet carpet and floorpan. One may not notice this in time, unless it is after a huge rainstorm where the amount of water is hard to miss inside the car - otherwise it happens SLOWLY overtime, while mold and nasties can be happily growing without you knowing.
- Clean the sunroof "tray" occasionally, make sure it is free of debris.
It seems most people who chase a leak in their cars hardly ever think of this as the cause, and even professionals don't think of it much.
IF drain tubes are clogged, and don't pass the "water test", one can use weed trimmer line, or a speedometer cable (from a kit, with unfinished ends) and as a LAST resort, compressed air.
(I had success with weed trimmer line 0.095 size, and warm water - and luckily I noticed the 1st signs very early on after several days of heavy rains, which show the signs quicker).
READ THIS: (The article contains a video about on how bad this can be)
Damage From Clogged Sunroof Drains
WATCH THIS:
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