The Porsche Macan has A HUGE PROBLEM! Common fault with big issues

We found a common fault on the porsche Macan and its causing big issues! water kills everything

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[rodplumb]

I believe front and rear drain tubes are check on OPC service, however, even where checked it is possible for a blockage to occur at some point between services it is therefore prudent to open the pan roof carefully pour warm water in the drain holes either side at each front corner of the pan roof channel and watch for the exit of water at the back of each front wheel. The same test applies to the rear these however are not accessible you have to carefully direct the water toward the rear of the pan roof drain hole in each corner, raising the vehicle’s front end helps, maybe driving on to a brick under each front wheel, allowing the water to run backwards, I have a slopping drive so no problem, again watch for the exit of water and as with the front unblock tube(s) if necessary, the whole job takes minutes only!
As for water entry in to both front foot wells, this is a fault Porsche should and must seriously consider implementing a service fix for! It happens MAINLY when parking the vehicle facing backwards on a slope/hill when it is raining, water running down the pan roof channels toward the rear drain tube holes backs up along the channel toward the front, I guess due to the drain holes/tubes being to smaller diameter. With a very light shower they cope, however any amount of heavy rain creates the problem as the water back up collecting in the front aperture of the pan roof, as the front drain holes are dealing with their own water they become overwhelmed allowing water to back up in to the pan roof cassette area flowing over the pan roof cassette down each A pillar soaking the footwell carpets. As a result the integrity of wiring connections on route of the water flow may be compromised causing all manner of electrical problems! I garage my vehicle, but if left on the drive, as mentioned early I’m on a slope, I make sure the vehicle faces downward. You would think it would happen parking this way too, bizarrely though it doesn’t, may be as mentioned it ‘s all to do with drain hole size? Parking on level ground under these conditions appears not to be a problem.

[ImTHATguy...]

Dude, are you really using WATER in your washer fluid tank? No wonder you're having problems! They make washer fluid that doesn't freeze in winter. Problem solved!

[billmcdonnell]

This sounds like a washer fluid a design issue. Most washer fluid that you can buy at your local auto parts store won't freeze until the temp outside is lower than -40 degrees Fahrenheit. I have a Macan Turbo for the last three years in the NE part of the US. and never had an issue. I frequently go skiing in NY and Vermont where is gets pretty damn cold. Last year experienced -17 degrees F in February and no clogged lines. Seems like user error to me.

[todtalk]

As part of regular service those drains are supposed to be cleared out, its really that simple.
Most owners just don't know this.

[willboswell]

They recommended we have the drains cleaned on our last major service. It wasn't cheap either. I thought it was odd but seeing this explains why they're doing it.

[carloslopes]

Who the F.. uses water in the washer fluid tank, specially in winter time?! 🤦‍♂️

[porscheDIY]

I have a 1st GEN Macan that I got in Nov 2014 (I was within the first 7, 000 owners in the US), and had been driving it in the NorthEast of the US (New England) for 10 years in Winters that had been really rough/cold and never seen this issue. I have heard about the sunroof drain issues, but mostly caused by blockage and solved by inserting a wire through the drain and declogging it. There might be issues where the clog causes water to freeze and disconnect connections or break lines as it expands in the winter. But nothing caused by the windshield washer system. If you use the right fluid, you won’t have issues. Now, there may be cases of extreme cold where the tip of the nozzle may freeze. In those cases, you need to make sure that your Macan comes with a heated nozzle. Mine is heated, and normally all Macan sold in colder climates have heated nozzles.

[danielkane]

We have a second MACAN S (first a 2019, that my son has now, and a 2022 ) These have been the BEST vehicles we have ever owned.
We will be ordering a 2025 as long as they offer an ICE and not an EV. (If there is no 2025 ICE model we will keep the 2022 "forever")

[bsdpowa]

this sounds really bad, I'd expect more from a 100k car, this just made my choice easier cheers

[AoDAzrael]

Hm the first problem is user error if they literally used water but I believe that he doesn't literally mean he fills his washer fluid reservoir from his home tap. The thing is nozzles CAN still freeze over even if you use window washer fluid rated to below freezing temperatures. Then when you try to spray the windshield washer fluid with de-icer in it nothing comes out. The thing is, when that happens, it shouldn't decouple the washer fluid lines... either Porsche is going way overboard with a super-power pump for the fluid or the coupling between the washer fluid lines and and other components is way too weak.

The drain thing is also pretty annoying/stupid. Even the basic economy car manufacturers have figured that out a long time ago.

[lesgrossman]

Ive driven macans for 5 years now. Ive never experienced or even heard of any of these things happening.

[mrbabyhugh]

6:38 thanks for confirming where the battery is in the Macan. I have an Audi and it's in the trunk, I am considering a Macan and so far, most I have found out is pretty inline with VAG models.

[hoodz]

I've had my eyes on a Porsche Macan for quite some time now, but your video made me change my mind. Thanks for sharing the insights, saving me from dealing with all these damm issues

[KNg-ptwf]

Apparently this guy doesn’t live in Canada.

[techsavvyre]

Winter wiper fluid freezes at -20. Stop being cheap.

[hawkeyes]

great video
also alot of the suv types have this problem
i found a fix : i used heavy duty car vinyal on the roof to cover up the sunroof
its a trade off of not useing it vs paying thousands in parts to replace the electronics box
its not only Porsche i seen it on the toyatas, hondas, audis, kias and a few others
the drain holes leak into the fuse boxes or computers like clock work

[hpchaky]

thanks for your sharing, i am glad I did not choice sunroof.

[stevepapp]

I live in the north east usa. Never had a problem with mine. And ive had my macan turbo now for 9 years. Drain tube cleaning is part of scheduled maintenance. Keep up with maintenance. My macan has had NO issues. Ever

[michaelw]

I call BS. I'm on the Macan forums all the time and I've never heard anyone complain of this, nor have I ever had this problem with my Macan. The drains for the roof have nothing to do with the windsheild wiper fluid lines. Every car can get water inside the vehicle from a clogged sunroof drain but I've neaver heard of water freezing in a sunroof drains because the water runs out quickly. Sunroof drains can get clogged with dirt but it's easy to clear them.

[AKSelvinRaj]

the message here is - Don't buy Macan if you're living in a place that reaches sub-zero degrees.