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Change water pump as preventive maintenance ?

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Old Apr 15, 2018 | 07:59 PM
  #16  
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onsickm
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+1
on .2 you don't need to change waterpump as a preventative maintenance. I also exceeded 110k on my .2 and still on original waterpump with zero indication that i need to replace it soon. It is still running perfectly like new!


Originally Posted by Wayne Smith
Worth noting .1 vs .2 here. They are not the same thing.

I've exceeded 110K miles now and am on the original pump. In fact, original everything excluding tires (replaced three times in front, four in back), motor oil/ filter(replaced twenty some times), brake fluid (flushed twice and due), front rotors and pads (replaced once), spark plugs (replaced twice), PDK oil and pan (replaced once), and poly V belt (replaced once but the removed one was still in great shape).

That's a complete list and indicates consumables only. No hard component hassles.

IMHO the engineers at Porsche stepped up with the .2 design, throughout the entire car.

I suspect others with .2 cars will echo my experience.

In other words, the .2 with 9A1 motor does not appear to match the data of the previous generation. When talking maintenance, we really need to be careful to not mix these two very different designs together.

To the OP with .2 car ... I would not pre-emptively replace the water pump.

Edit add on ... 2010 C4S PDK. And I did replace a front axle boot due to chip seal damage that occurred in Idaho (buckets of rocks lodged into the undercarriage). I am not blaming the car for this!!!
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Old Apr 16, 2018 | 01:25 AM
  #17  
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Originally Posted by BHMav8r
I would.

You will have to replace eventually anyway. cheap insurance/peace of mind. Do it on your terms or on the water pumps.

I was going to do mine (997.1) at around 60K, but my bet failed so I had my indi do it while they were there.

Agree that the .2 appears more reliable than the .1's
Agree 100% that the .2 engine is much improved over the .1. Have yet to read about a failure of a .2 engine. As for the rest, I guess there are always exceptions. I put 46,000 miles on my -06 C4S and did nothing to it except tires, oil, filters, brakes and wiper blades. On the -09 C4S, the PDK failed and had to be replaced at 37,000 miles and then 6,000 miles later the water pump and the serpentine belt. On the -11 GTS with 56,000 miles, flat bedded to the dealer with a non functioning PDK a month ago (reset and fixed by the dealer) and is now back in the shop with a suspected high pressure fuel pump failure. So for me, the .1 -06 C4S has been the most reliable 997 of the three I've owned.
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