Cayenne 955-957 2003-2010 Series I
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Coolant leak from reserve tank over flow

Old 01-21-2014, 03:51 AM
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Join Date: Mar 2012
Posts: 34
Default Coolant leak from reserve tank over flow

hi, any one can help?
2005 cayenne turbo
Coolant leak from reserve tank over flow hose, you can easily trace lot of coolant leaking from the front right end of the car mostly through overflow hose comes from reserve coolant tank,
engine temperature looks normal, engine performance is okay. i did changed the Lid (reserve tank cover, blue) but still leaking
any idea?
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Old 01-21-2014, 05:21 AM
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Location: Australia
Posts: 633

Plastic tank is known to split at the seams requiring a new reservoir.
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Old 01-21-2014, 11:06 AM
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Posts: 34

Yes that true
I’ve removed the decoration design around the reserve tank and i kept the engine on until it get hot and the reservoir was leaking , i am going to pick up a new tank this evening the new original reservoir cost is $95, hopefully this night i will replace it, i guess it will take two hours, i already removed the head light out to gain some access

I wanted to say something for Porsche, guys you know how to build a fast cars but you know nothing about material reliability, you have a serious problems with choosing right material for your vehicles.
A car worth $150,000 a car did not complete the 60,000 mile yet and so far i faced many problems already,
• main shaft center bearing,
• coolant pipes,
• valve cover gaskets,
• O-ring rubbers,
• turbo oil leak,
• coolant leak from T tube junction hose between the fire wall and the engine,
SHAME on you Dr. Porsche
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Old 01-26-2014, 06:21 PM
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Location: Northern IL
Posts: 2,192

For the second time during a harsh winter (the first occurence was covered by my warranty), I too have leaked windshield wiper fluid from my front right headlamp sprayer (it was not the reservoir as I thought it was). The replacement washer costs $200.00 + installation (my warranty has expired)! The dealer said there was no TSA report out for this problem and that even though it has happened to me twice (same side), they cannot waive the fees (I didn't expect them to).
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Old 01-26-2014, 06:45 PM
Join Date: Sep 2009
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some folks are learning....these porsches are not built by or for the gods
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