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Took the 911 out with my son for a spirited drive a couple of weeks ago. When I got home, I noticed a burning sweet smell.
Look under the car and sure enough -- drip drip drip of the pink stuff.
My reservoir had cracked.
Since the car has 75,000 miles, I figured I would go ahead and also do the water pump since I would be draining the coolant anyway.
So after an afternoon of lots of problem-solving and knuckle busting, I've got a brand new reservoir, new water pump, new thermostat and belt. Also have a shiny, freshly cleaned throttle body too.
Water pump was a good call... The old one sounds grindy when I spin it, so the bearing was going out.
Tomorrow I'm doing a coolant bleed, all four rotors, pads, sensors and brake fluid bleed.
Can't wait to have her back on the road!
Last edited by bongoboyla; May 24, 2015 at 01:33 AM.
Also, I swapped out the stock front brake cooling ducts for the ones off he GT3, to ward off fade at the track:
Stock guide.
gt3 guide with channels to guide fresh air to the rotor
So a final tally over 2 days:
- New coolant tank
- New water pump
- New thermostat
- Coolant flush
- Clean throttle body
- Clean plenum
- New belt
- New brake pads (cool carbon)
- New rotors (Zimmerman)
- Upgraded brake cooling ducts
- Brake bleed
- Tire rotation
- Sore back
- Couple of scraped knuckles
- A happy 911.
Now I'm going to go get some custard or something.
Last edited by bongoboyla; May 24, 2015 at 05:41 PM.
Nice work. The coolant tank was one of the first things to go out on my car at 30k. They like to leak at the seams... can be identified if you look very closely.
One thought for those of you doing a water pump on these cars...ive done 3 now on 3 different cars, is changing out your OEM radiator spring clips to
standard screw style clamps. The stock spring clamps seem to have a muscle memory for being in one position their entire lives, and when disrupted by removal, can weaken.
I bought a host of quality German hose clamps made especially for rubber which are smooth lined as not to tear the rubber hoses.
The coolant expansion tanks can be insulated by way of installing aluminum
tape on the engine side as to reflect heat away from the plastic, as well as driving in the city with your rear spoiler wing in the up position to help vent out all the heat.
One thought for those of you doing a water pump on these cars...ive done 3 now on 3 different cars, is changing out your OEM radiator spring clips to
standard screw style clamps. The stock spring clamps seem to have a muscle memory for being in one position their entire lives, and when disrupted by removal, can weaken.
I read that the spring type are better in these cars since they can expand and contract at various temps for a better seal.
Originally Posted by PatrickBateman
The coolant expansion tanks can be insulated by way of installing aluminum
tape on the engine side as to reflect heat away from the plastic, as well as driving in the city with your rear spoiler wing in the up position to help vent out all the heat.
That's a great idea. They are less than a foot away (and above) the left headers. Might be a good idea to shield them.
Bongo... going back to those pesky spring clips... I just purchased a new to me used Honda motor scooter which is 5 years old, but only 21 actual miles on it.
In my PPI inspection, I noted both the upper and lower rad hoses with
these spring clips had been leaking. I feel peace in the knowing the standard screw type hose clamps are on....really secure! And can be re-used
again, even though I automatically change out any clamp in direct relation to possible fluid loss prevention.
