PsychicDreamer

Both my 996 and 997 water pumps blew-up around 40,000 miles.

Has anyone blown their water pump on the 991 yet?

And at what miles?

My 2014 Carrera S is at 24,000 miles and I'm starting to hear the little ticking noises associated with the inevitable explosion of the water pump.

LexVan

You're hearing things.

My 2014 at 31,000 miles sounds great!

I too wonder how the 991 water pumps will fare? It's too early, me thinks. Have not even heard about any issues with the early adopters in the 2012.5 991 owners. Let's face it, 911 owners just don't put many miles on their cars, so some of these 'modes of failure" take a while to surface.

Regardless, all water pumps fail. Just a matter of when. I'd rather proactively replace an 8 year old, 100,000 mile pump early, before it fails and leaves me stranded on a country road with no cell phone coverage and an Amish dude with no electricity.

CSK 911 C4S

I have not heard of any failures yet.

I'm glad it's driven by the belt so we can just let them die gracefully before replacing them unlike some/most VW/Audi's where the water pump is driven off the timing belt so when they go and seize up it **** cans the engine.

Norsk

The issue with the 997 was that the pump's impeller was made of plastic, which could break off in chunks, which would then lodge somewhere in the water jacket of the engine block. Then came overheating or worse. I too, would like to know if Porsche upgraded the pump on the 991.

In the 997 it apparently happened often enough that "Excellence" magazine suggested replacing the pump at 40K miles as a maintenance item.

Dewinator

Sounds fishy to me. I'm pretty sure 997 engines don't last 40k miles before the IMS gives out.

Guzzgreg

Had almost 60K on mine when I sold it. And it was my DD and I drove it hard. No IMS failure. I was meticulous with oil changes.

997s07

Had 96,000 miles. Zero issues. The IMS issues happened to those who didn't drive them reasonably the way they were supposed to be driven. As a matter of fact, I don't know a single guy who drive their 997.1 or 987.1 hard, have IMS issues.

Jim M.

I'll have 50K miles on my 2012.5 991S in another week or so and so far no issues.

Dewinator

Weekend driver? I'm at 78k. Catch up.

PsychicDreamer

So, the water pump on a 991 is different than the 996 and 997?

No plastic impellers?

This is great news. It's not pretty when the pump goes while driving.

Thundertub

Worthy question from the OP.

2012.5 991 - 53,000+ miles, no issues with water pump or any other mechanical parts. Daily driver, short trips, long trips, plenty of track events.

I had the same question about this car after several M96 engine cars. So far, so good.

60k service coming in a few months. Will ask if there are any "preventative maintenance" items they would like to perform like this.

LexVan

I can guarantee you our water pump impellers are not metal. You do not want a water pump with a metal impeller.

HODY905

Is this the "Porsche there is not substitute"? Is this the so finely engineered car that has IMS issues, water pump issues, engines needing to be replaced in the GT3s? What about the 964s that had engines produced with no head gaskets and flywheels that would implode? What about all those 993 engines with the valve guide problems and the clogged SAI problems?
And how bout that new 911 R? What chance do you have of buying that? Oh and the GT3, we weren't given a choice manual or PDK. No, Porsche told us what they wanted us to buy whether we like it or not.

What exactly are we paying for when buying a Porsche? We know they are overpriced, after all Porsche is the most profitable car company. Perhaps we are being romanced in to believing the Porsche brand is something special.
And think how Porsche holds back on the technology so they can install a little bit each and every year and make the previous year car a depreciation nightmare. And who coined the phrase "buy the latest and greatest? Bet that came from Stuggart?

Oh and that new 3.0 liter engine? Guess what, the change was made because China charges a huge surtax on any engine larger than 3.0 and China is Porsche's largest market, not the good old USA! Heavens, don't even think Porsche would produce a NA engine for the rest of the world and a 3.0 turbo for China. Nope, Porsche does what's best for Porsche and then shoves it down our throat and we all think how wonderful Porsche is!

Enjoy!!!

Dewinator

Hehe did someone forget to pay the troll toll?

HODY905

Sorry for the rant guys!