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Discussion Starter · #1 ·
I notice a small green puddle of fluid yesterday (felt slippery) close to the inside of the rear driver tire.
Got underneath to take a look but couldn't see much, just a green drop of fluid handing from
the bottom metal arm that hold the wheel on.

What fluids in the car are green? Anti-freeze, brake fluid, leaking shock?

I have a 2015 Cayman, 2 months old, 1,500 miles.
All gauges look good so far.
 

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Most likely that's engine coolant (anti-freeze). Any recent service? Overflow possible... or a leaking hose :(
Easy enough to check level though. When cool, just open the cap and there's a level indicator.
 

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Discussion Starter · #3 ·
Most likely that's engine coolant (anti-freeze). Any recent service? Overflow possible... or a leaking hose :(
Easy enough to check level though. When cool, just open the cap and there's a level indicator.
Why do I keep reading Porsche uses red/pink anti-freeze?
 

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Why do I keep reading Porsche uses red/pink anti-freeze?
Because Porsche uses pink coolant. As Ken posted, Pentosin power steering fluid is green.



Dan
Sent from my iPhone using Tapatalk
 

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I thought the 981s use electric steering and wouldn't need power steering fluid.
That's what I think, too. I agree with your list.
 

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Power streering fluid.
 

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Power steering pump/line most likely, when it goes it drips right on a metal arm piece near the driver's side (US) rear wheel.
With 1,500 miles say it isn't so Ugh! :helpme: A loose fitting???

:cheers:
 

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Does Porsche's electronic steering still use hydraulic power steering fluid? :confused:
 

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Discussion Starter · #12 ·
Mystery solved....
Turns out to be a leaking bad rear strut (shock).
The mechanic said he hadn’t seen one fail in over 20 yrs experience.
 

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Mystery solved....
Turns out to be a leaking bad rear strut (shock).
The mechanic said he hadn’t seen one fail in over 20 yrs experience.
Glad you got it solved and this certainly points out the shortcomings of trying to diagnose something over the internet. :)
 

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After pages and pages were written about the horror of the 981 changing to electric steering and how every road test devoted a paragraph to how the switch from a hydraulic system is evidence that the world will end soon, it's still suggested that this could be a power steering leak! Yikes! You clearly ran over an alien. Leaking strut my eye!
 

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Interesting, I'm seeing a few drops of this green fluid on the floor when it's parked for a while on my 997, when I look under, it appears like it's coming from the exhaust. Might need to take it in to check.
 

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Mystery solved....
Turns out to be a leaking bad rear strut (shock).
The mechanic said he hadn’t seen one fail in over 20 yrs experience.
Thank you for your posts. Gives us 981 owners something to watch for.
 

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Discussion Starter · #17 ·
I had though it might be the strut because it was so close to the tire, and the strut itself looked crappy dirty.
But, I thought that might be because the fluid might have just followed down the metal channel that lead to the strut and down.
Plus, there was a decent puddle, 6"-7" (must have emptied that strut). It did feel slippery, more than say.. anti-freeze (hindsight!!).

It's my understanding that even with electric steering there is still a sealed hydraulic system operating some parts - non-maintenance-able of course.
 

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My 2014 981S goes to the dealer on Monday for leaking rear shocks. I've been getting a few drops of an 'amber/green' fluid (not motor oil or coolant) beneath the right rear shock for a few months now. Had it into Porsche in January and they claimed it was the oil filler/pipe and replaced it. Still had the drops of oil a few days ago and when I put my street wheels/tires back on I inspected the rear shocks and both appear to have faulty seals as oily grime is covering them. The right rear has a lot more. I'll report back after my dealer's service tech inspects on Monday.
 

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Do you guys with the leaking shocks all have PASM, or non-PASM builds?

As far as I know, unless you're talking about a 991 with PDCC, there are no hydraulic components on the 9x1 cars except for the shocks (and, I suppose, any pressurized components in the PDK control, where applicable.)
 

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My 981S has PASM.


Do you guys with the leaking shocks all have PASM, or non-PASM builds?

As far as I know, unless you're talking about a 991 with PDCC, there are no hydraulic components on the 9x1 cars except for the shocks (and, I suppose, any pressurized components in the PDK control, where applicable.)
 
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