Better to get it before that happens.
How do dealers clean sun roof drains.
The rear ones may vary from car to car but are generally located on either side of the rear bumper.
The drain holes will be in the four corners of the sunroof.
You may be tempted to run a coat hanger down the tubes or blast them with compressed air.
Now test using a bottle of water gradually drain the water around the sunroof drain do not excessively dump as the drain is only able to remove a certain amount of water.
Up top you can clean out the gutters and drains of the sunroof or moonroof assembly with a shop vac.
These drains are normally feed through the roof pillars and exit.
If you live in a treed area it can happen more often as there is larger particles floating around in the air which would eventually plug the drains.
The drain nipples will be on the front side of either door jam.
Water leaks caused by a clogged sunroof drain are very common and easy to cure.
Don t pay someone to do this it s too easy.
This video is of an old volvo b.
Depending on where you live sunroof drains may become plugged sooner than later.
Video tutorial on how to unplug a sunroof drain.
Locate the position of your drains and the nipples.
There will be four.
You might poke the wire right through the tubing or disconnect it from the drain hole.
Those tubes run through the door pillars and drain through to the rocker panels.
As you can see the water is draining properly.
Two in the front and two in the rear.
The sunroof drains are an aspect of your car that you probably rarely if ever think about.
Leaves and other junk find their way into that area somehow and tend to stick around and get soggy creating a sort of compost that can cause you trouble if it gets into the drain tube.
The moisture is then drained out of the vehicle through the sunroof drains.