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What did you do to your 996TT today?

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Old 05-04-2012, 01:12 AM
  #31
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Originally Posted by NewYorkBuck View Post
Changing - plugs, coil packs, oil, fuel/air filters, MAF, coolant, brake fluid, O2 sensors. Its running great as is...
If it's running great, why are you changing the MAF and O2 sensors?

Does Porsche recommend changing the coolant on a time interval?
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Old 05-04-2012, 01:39 AM
  #32
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After working on my [email protected]&%$ BMW to fix an airbag light I went in my garage to continue the engine build up. (yes my engine is out for coolant pipes welding). After the installation of the water pump housing, did a leak check after pressurizing the system to 15 psi. Sprayed water and soap every where no more leak found. Started the build up process with the installation of the intake assembly and all the sense lines. Ty wrap everything (over 70 ty wraps) and after started the installation of the alternator, steering pump and reservoir. Repair of the wires for the N75 valves which was damaged due rubbing on the a/c pump mount. I also replace the fuel filter (easy with no engine in the way) new plugs and new coils and a new oil pressure sender!....I will installed the transmission probably tomorrow. The engine will go on only the end of next week....

Last edited by jpflip; 05-04-2012 at 02:22 AM.
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Old 05-04-2012, 01:49 AM
  #33
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It looks like you spent the day putting yellow tape all over your motor.
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Old 05-04-2012, 01:53 AM
  #34
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Originally Posted by SSST View Post
It looks like you spent the day putting yellow tape all over your motor.
That was before I started installing the parts that were gone for welding!
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Old 05-04-2012, 02:00 AM
  #35
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Wow!...Those are some really big pictures!
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Old 05-04-2012, 02:06 AM
  #36
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Dock, mutual friend.
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Old 05-04-2012, 03:16 AM
  #37
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Originally Posted by Dock View Post
If it's running great, why are you changing the MAF and O2 sensors?

Does Porsche recommend changing the coolant on a time interval?
Kevin rec on the MAF and O2. Changing coolant after 8 years seems like good sense.
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Old 05-04-2012, 03:18 AM
  #38
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Originally Posted by Dock View Post
Does Porsche recommend a time interval change for the plugs?
Again, no idea, but seems to make some good sense. The longer they're in there, the possibly more difficult they are to get out. IMO not worth the risk waiting for 30k in a $45,000 engine.
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Old 05-04-2012, 12:16 PM
  #39
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Originally Posted by NewYorkBuck View Post
Again, no idea, but seems to make some good sense. The longer they're in there, the possibly more difficult they are to get out. IMO not worth the risk waiting for 30k in a $45,000 engine.
Seems like Porsche would also be concerned about a time interval; maybe they are and I haven't seen their recommendation.
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Old 05-04-2012, 12:24 PM
  #40
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Originally Posted by Dock View Post
Does Porsche recommend a time interval change for the plugs?
According to the attached Maintenance Interval its "Every 24,000 miles". Unlike other models, there is no "or every 4 years."

(I think my plugs have been in there for 10 years and 52K miles - might change them in a couple weeks).

Last edited by JG 996T; 10-21-2013 at 01:07 PM.
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Old 05-04-2012, 12:48 PM
  #41
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Originally Posted by JG 996T View Post
According to the attached Maintenance Interval its "Every 24,000 miles". Unlike other models, there is no "or every 4 years."

(I think my plugs have been in there for 10 years and 52K miles - might change them in a couple weeks).
Check with Kevin on his latest recommendation on plugs and coils (FR6 and 997 coils IIRC ?)
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Old 05-04-2012, 12:52 PM
  #42
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Originally Posted by ptracer View Post
Looking for ideas, suggestions on this one...

Discovered the mysterious complexity of the PCM in my 2004 TT. Give me a multi-dimensional database over this system any day.

Getting a System Error: amplifier, CD changer not available

Using an updated Version 3 PCM OS. Radio functional but no sound except for the faint pop on power-up.

I've heard about MOST rings, (fiber optic network in a token-ring configuration?) My Durametrics says
9114 control unit Status" not present.

So what does that mean?

Sounds like a handshake problem, but how to resolve without going to P hell (Porsche dealer)

HELP!!!!

Drift
You are running PCM3 software in a PCM2.x headunit?
I am not sure that is going to work, as it is the first instance I've heard of it being attempted.

Yes, MOST is a bit like an optical token ring. The error message basically states that some device on the 'output' side of the headunit is not passing information downstream to the next device (CDChanger, NAV, Amplifier, etc) and ultimately back to the headunit.

The slight 'pop' you are hearing is merely the H/W mute R/C on the output amplifier pins as they power up...best guess.

You can sometimes "isolate" the defective node by using a simple optical bypass cable jumper. A word of caution: remember you are working with plastic optical fiber, so remember "bend radius" at all times ... once kinked, you are screwed.
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Old 05-04-2012, 02:09 PM
  #43
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Originally Posted by JG 996T View Post
I think my plugs have been in there for 10 years and 52K miles - might change them in a couple weeks.
I changed my plugs 7.5 years ago. I'll change them again when they don't perform like they should.
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Old 05-04-2012, 02:34 PM
  #44
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Ha, just changed my plugs and coil packs this week! My stock plugs were failing with the new EPL flash..
- 997TT coils
- NGK BKR7E

What a PITA, make sure to leave your bumper off for a test drive. I blew off a IC hose and had to take it all off again..
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Old 05-04-2012, 02:45 PM
  #45
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Which I/C hose? I blew my right side hose off once, managed to put it back on, side of the road with a McGiver key fob for a screw driver. I had over-tighted the hose clamp when I installed Kevin's turbos.
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