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Re: What did you do to/with your 996 today?

Posted: Thu Oct 11, 2018 4:44 pm
by 5chn3ll
I went home and pressure-washed the Rustoleum Peel-Coat off of my driver-side rear wheel @ noon - I'll hit it with a little bit of sandpaper and an isopropyl alcohol wash and get it resprayed.

I have learned two things from this process:

1) Respraying your wheels isn't that hard - but it isn't idiot proof either. I screwed up a couple of attempts; in both cases, not enough prep was the root cause.
2) If you're going to bother doing a decent job - i.e. masking shit off well enough that you don't have rattle-can overspray on your sidewalls - skip the removable stuff and go with real paint, either wheel paint rattle cans or something better in your air sprayer.

I wasn't sure I was going to like the color, so I'm glad I tested it out - but I should have just stripped the test wheels and painted them properly. This peelable stuff (despite the different name, it's just PlastiDip) is not durable; if you look at it funny, it needs touchup...and touchups with a spray can seldom work out all that nicely when you have to try to fill a gouge or scratch.

I took a photo of one of the better (passenger) wheels this AM...

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Re: What did you do to/with your 996 today?

Posted: Thu Oct 11, 2018 5:10 pm
by B3DAWG
I think they look awesome!

How well will they hold air now? :lol:

Re: What did you do to/with your 996 today?

Posted: Mon Oct 15, 2018 11:13 am
by 5chn3ll
The wheel painting thing nearly killed me.

Three of the four wheels came out GREAT. The two pass-side wheels I pulled off the car to paint properly - and both went perfectly well. But the driver-side rear - which I pulled off to add another coat - was a NIGHTMARE.

Whatever previous paint had been used on that wheel was incompatible with whatever solvent is used with the rubberized (peelable) paint. As soon as I applied more paint, it turned to crap.

I thought this was just an issue with the first "coat" of the peelable paint, so I pressure-washed and brushed off the Rustoleum product until it was back down to the painted wheel. Reapplied the Peel Coat - and the entire wheel turned to shit again. The wheel paint turned to jelly, and the peel coat slumped and cracked.

After wasting nearly 8 hours prepping a wheel twice only to have the crap not work the second time, I decided I was done with the removable paints. I spent all day Saturday sanding, priming, and painting that goddamn wheel. And it looks GOOD.

Then, on Sunday, I drove the 996 out to the Salton Sea and covered them with unspeakable filth. Found a fantastic use for that expired PCA membership card, too...
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Re: What did you do to/with your 996 today?

Posted: Sun Nov 04, 2018 1:19 pm
by sweet victory
I wrestled with the coolant expansion tank. Have my smoking gun that it was the source of the leak.

Didn't see this till the air pump was removed.

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What the fuck is up with Porsche using ~1/4" plastic T's. Have their engineers ever heard of fucking stress risers? (In the literal sense of how I'm feeling AND engineering design) This is my second time now; first one was a casualty of removing the alternator. After breaking the hose, I decided to wait until ordering my parts till AFTER the tank was out. Ordered a pierberg waterpump & gasket, thermostat & gasket, stress rising hose, coolant level sensor, and coolant tank cap. Snap On truck will be at work tomorrow, so I guess I'll pick up the vacuum coolant filler.

ImageDSC01385 by P A, on Flickr


Also will be getting to use my 2 post lift for the first time. Wooo

Re: What did you do to/with your 996 today?

Posted: Sun Nov 04, 2018 1:26 pm
by 32wildbilly
Now that a cracked tank! I totally agree with the stress riser comment and have never understood all the spindly plastic connections in the water system.

Re: What did you do to/with your 996 today?

Posted: Wed Nov 07, 2018 6:59 pm
by Astro
400 mile roundtrip in wintry conditions today... about 50 miles from home the CEL comes on and stays on. Borrowed a buddies OBD and it gave me P1124 and 1126. Everything seems fine, so I'm trying figure out if it's the MAF sensor or something else.

Re: What did you do to/with your 996 today?

Posted: Wed Nov 07, 2018 7:41 pm
by wyovino
MAF or AOS. Could also be a cracked oil filler tube/loose cap which are easier to check.

Re: What did you do to/with your 996 today?

Posted: Thu Nov 08, 2018 8:54 am
by Astro
I did what a lot of us do...combed the blogs to find possible causes and fixes. One was simply disconnect the battery for 20-50 seconds and see if it resets, which is what I did and it worked, CEL is gone. Maybe it will come back on or maybe it was just a fluke since it came on right after filling up. Who knows, we'll see, but my drive to the office was much more enjoyable without that dang yellow light on...

Re: What did you do to/with your 996 today?

Posted: Thu Nov 08, 2018 10:55 am
by sweet victory
Skimming through forums does not equal a diagnosis. Don't throw parts at it just yet.

Rich/Lean limits can be caused by a faulty MAF, but it's just as likely that you have a vacuum leak. If you have a vacuum leak and more air is getting into the system then: no stoichiometric combustion and the 02 sensors will adjust the fuel trims as necessary. A big vacuum leak means the 02 sensors/pcm will continue to increase the fuel until it reaches its limit, but will continue to run lean and throw a code.

So now you need to find a friend/shop to use a smoke machine to see if a leak exists and where. After changing any part, reset the PCM, and see if your fuel trims go back to normal.

Re: What did you do to/with your 996 today?

Posted: Thu Nov 08, 2018 12:44 pm
by Astro
Dang, just when I was feeling good about this... but all kidding aside, I did unscrew the oil cap awhile back while it was running without any issues or difficulties which I thought were indicative of a vacuum leak. At the end of the day, it's a 20 yr old car so I know stuff needs to be replaced, just a question of when. I'm sure I'll need to bring it in for service in the next few weeks anyway and when I do, I'll have them check this out.