Screenwash - Page 1 - Porsche General - PistonHeads UK

So the green stuff that came with the car ran out. Anyone used this stuff?

If that is the same as the one I got from Porsche then good luck working out how to dispense the measured amount when bottle is inverted as per instructions. Just cant fathom it

Here's what we poor people use. Screwtop. Tescos.

Doesn’t it sort of coagulate if you mix the Porsche stuff with anything else?

Not that I have noticed ...

gareth h said: Doesn’t it sort of coagulate if you mix the Porsche stuff with anything else? Yes, it can do, depending on the screenwash you mix with the Porsche stuff.

Even more of a reason to stop using the 'Porsche stuff'. I'd also recommend Prestone antifreeze. (yes they pay me a packet of biscuits for every product placement.) mostly because it mixes with whatever is in the car already. YMMV. Prestone’s high-performance All makes, all models Coolant/Antifreeze is the only product you need to guarantee maximum protection for your car’s engine. Brand new patented technology with 17 new patents All makes, all models, all engines – guaranteed Superior protection against corrosion Longer engine life 10-year guarantee Protection for up to 300,000 miles or 480,000km Used as first fill by multiple leading vehicle manufacturers Safely mixes with any colour or specification of coolant/antifreeze.

The Porsche screenwash in the picture is the winter version, which includes antifreeze. The small bottles of green concentrate which you get with a service (that they probably charge you £20 for) are summer screenwash, with no antifreeze. I find the green stuff works really well in summer at getting rid of bugs, but if you make it too concentrated it leaves horrible streaky residue on the edges of your windscreen. It's useless in deep winter conditions though, hence the other one! I also profess a liking for the purple pre-mixed Halfords screenwash. I've never had a problem with that congealing and blocking up my washer pump. I once had to get the washer bottle out of the front wing of a 996 to de-gunk it, and that's an experience I've no desire to repeat!

You are advised by Porsche to add the Porsche winter additive to the Porsche green screen wash in winter. No other brand may be used or you will invalidate your Porsche warranty. Fortunately, when our 2019 Macan S's rear screen/camera "T" piece blew off in cold weather the OPC confirmed that we had been using Porsche fluids and fixed it FOC. The Gold OPC technician confirmed they CAN tell if you've been a naughty boy/girl. Who'd have thought Porsche would go to those lengths to evade a warranty claim eh?

I had some of that in the pouch inside my frunk. It also ran out. By which I mean the bottle exploded and the liquid ran out and caked into the "carpet" in the bottom of the frunk. Made an awful mess. It happened to conicide with when the car was in for service and I complained to the OPC and got them to clean it up. But I'm not 100% sure it was their fault - I think the bottle must have burst in the heat of summer...

pete said: The Porsche screenwash in the picture is the winter version, which includes antifreeze. The small bottles of green concentrate which you get with a service (that they probably charge you £20 for) are summer screenwash, with no antifreeze. I find the green stuff works really well in summer at getting rid of bugs, but if you make it too concentrated it leaves horrible streaky residue on the edges of your windscreen. It's useless in deep winter conditions though, hence the other one! I also profess a liking for the purple pre-mixed Halfords screenwash. I've never had a problem with that congealing and blocking up my washer pump. I once had to get the washer bottle out of the front wing of a 996 to de-gunk it, and that's an experience I've no desire to repeat! You can use ANY washer fluid in ANY car, however issues can arise when mixing them. If you plan to change the fluid you use, it’s best to run all the old fluid out either through normal use, or by sitting on the drive and using the washers until it’s run out !! Irrespective of which method you use, you should then pour at least a litre or two of clean water into the washer bottle and use that, both through the screen washers AND the headlamp washers to flush any old fluid out. Once that clean water has been run through thoroughly, you’re free to use whichever fluid you choose. But ensure that for winter use, you use a mix or a concentrate that provides adequate protection for temperatures down to -10 or -12degrees, especially in a car still under warranty, because as others have said, if the system should freeze and pop a pipe off, Porsche won’t look upon you kindly…

DJMC said: No other brand may be used or you will invalidate your Porsche warranty. Who'd have thought Porsche would go to those lengths to evade a warranty claim eh? Wow. I apologise to anyone who has such a warranty for my outrageous suggestion.

I think the Porsche green screen wash stuff is good, and great value. I use it in all my cars.

BarrySt said: If that is the same as the one I got from Porsche then good luck working out how to dispense the measured amount when bottle is inverted as per instructions. Just cant fathom it If it's the bottle I'm thinking off you don't invert it. You take the cap off and squeeze the lower part of the bottle it then fills up the 'bulb' in the top which you can then pour in the washer bottle.

Armitage.Shanks said: BarrySt said: If that is the same as the one I got from Porsche then good luck working out how to dispense the measured amount when bottle is inverted as per instructions. Just cant fathom it If it's the bottle I'm thinking off you don't invert it. You take the cap off and squeeze the lower part of the bottle it then fills up the 'bulb' in the top which you can then pour in the washer bottle. Ah, I got so frustrated I hacked sawed the measuring bit off the top!

gareth h said: Ah, I got so frustrated I hacked sawed the measuring bit off the top!

pete said: The Porsche screenwash in the picture is the winter version, which includes antifreeze. The small bottles of green concentrate which you get with a service (that they probably charge you £20 for) are summer screenwash, with no antifreeze. I find the green stuff works really well in summer at getting rid of bugs, but if you make it too concentrated it leaves horrible streaky residue on the edges of your windscreen. It's useless in deep winter conditions though, hence the other one! I also profess a liking for the purple pre-mixed Halfords screenwash. I've never had a problem with that congealing and blocking up my washer pump. I once had to get the washer bottle out of the front wing of a 996 to de-gunk it, and that's an experience I've no desire to repeat! My washer jets have appeared to be depositing aspic jelly onto the windscreen for a while now. I’m guessing this is the source of the problem?

I agree that the small bottle you get from Porsche service is great stuff and lasts for ages. Having done a bit of digging, I believe it is made by Sonax, who produce an identical bottle concentrate. I’ve used it for a couple of years and found it equally effective. They also produce a concentrate for extreme cold temps.

DJMC said: You are advised by Porsche to add the Porsche winter additive to the Porsche green screen wash in winter. No other brand may be used or you will invalidate your Porsche warranty. Fortunately, when our 2019 Macan S's rear screen/camera "T" piece blew off in cold weather the OPC confirmed that we had been using Porsche fluids and fixed it FOC. The Gold OPC technician confirmed they CAN tell if you've been a naughty boy/girl. Who'd have thought Porsche would go to those lengths to evade a warranty claim eh? Subtle use of 'evade' rather than 'avoid' there.