Well, I posted about a month ago. about getting my car back after 3year of being overseas, since then I've had some minor issues with her after my return home. So I got a 2013 Subaru Legacy limited edition. My passenger side has been taking on some water lately and ive done the research to fix these issues. im just looking for an expert opinion to confirm the problems
Thanks to YouTube and Scotty's videos I've determined some of the probable causes.
1st problem is one of my sunroof drains is most definitely clogged, but that would not explain the gallon of water on the passenger side, I don't think my door seals are leaking. My best guess is the a/c evap drain may be plugged up. could this be because of the in-cabin air filter not being changed? I bought the car in 2018 with 86,750 miles and I now have 103,000 miles on it. I just found out that these filters are a thing and now that I know about them I learned how to change them by watching Mr. Subaru's channel.
2nd issue is a code that i cant seem to clear. code:B1608 sunload sensor circuit open. How can I test this part and where can i find it there is not much information i could find about this component other than it helps regulate in cabin temperature with the auto ac unit
any thoughts or help will be much appreciated.
one of my sunroof drains is most definitely clogged, but that would not explain the gallon of water on the passenger side
It's surprising you how much water a clogged sunroof drain can pool inside a car (personal experience!). The Care Care Nut has a good video on this: https://www.youtube.com/watch?v=Qmk9Ln-9x2k I actually used weed eater line and it worked quite well.
One question per post, Kelsey. Forum rules are posted on the front page. Please read them, and put your second issue in a new topic. Put a short description of the problem in the title box. Thanks.
My bad thank you
My best guess is the a/c evap drain may be plugged up. could this be because of the in-cabin air filter not being changed?
No, that would not cause water to get into the passenger cabin. If anything the evaporator drain is plugged up. This can easily happen from plant debris accumulating and water getting into the front passenger area is the classic symptom.
As far as the sun sensor I don't know how to test those, chances are that it either develops a range of voltages or resistances depending on the sunlight hitting it. (Or, if it's a smart device, it might send out digital data.) Probably a professional-grade scan tool is necessary to test it. The easiest thing to check for would be to make sure the sensor's connector is solidly plugged in.
since then I've had some minor issues with her after my return home
have you been driving it, or is it still sitting?
1st problem is one of my sunroof drains is most definitely clogged, but that would not explain the gallon of water on the passenger side
Absolutely it could. If the drain hose leaks, or backs up, that could certainly lead to water in your vehicle. I would fix this first before moving onto anything else.
My best guess is the a/c evap drain may be plugged up.
Maybe. The only way for water to build up there, is with condensation. Which is a slow process that only happens while using AC in humid weather. But it doesn't cause a gallon of water to suddenly appear. But by all means clean it out.
could this be because of the in-cabin air filter not being changed?
No. It simply filters air blown through the vents.
Since this issue has occurred the carpet is mostly dry after 3 days, I am driving the car as anyone would, considering that i am back now.
I did peel back the interior today, and disconnected the evap drain hose, not much water came out and the hose does drain as it should. I also took a metal rod and moved it back and forth in the drain hole i did not feel any obstructions. So maybe it is just the sunroof drain causing the issue i will have to do more research to how it drains.
again sorry about putting 2 problems in one post.