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xmac

Contributing Members
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xmac last won the day on November 29 2018

xmac had the most liked content!

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About xmac

  • Rank
    Contributing Member

Contact Methods

  • Website URL
    http://www.youtube.com/user/sallyrumba

Profile Information

  • Gender
    Male

Profile Fields

  • From
    Silicon Valley, CA
  • Porsche Club
    PCA (Porsche Club of America)
  • Present cars
    1999 C4 XAA
    1997 Boxster 3.4
  • Future cars
    GT3
  • Former cars
    1985 Jaguar XJ6 with a Chevy 350
    08 Subaru WRX
    94 Nissan Twin Turbo Z
    93 Nissan 300ZX
    87 VW Scirocco
    79 Regal Turbo
    72 GMC Sprint

Recent Profile Visitors

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  1. Hi All, It's been a few years since posting but good to be back with my latest project: I need help clearing two codes due to a 3.4 engine transplant in a 1997 986 I just purchased. I have two OBD codes P0447 and P0453 related to the the shutoff valve and fuel tank pressure sensor used in 1998+ cars. I found several other posts noting 1997's do not have wiring nor support the 1998+ fuel leak check hardware so I am taking the challenge to find alternatives to clear them for good. I have searched hi and low and unable to find signal details the 1997 DME flashe
  2. I had similar symptoms with a light but noticeable oil slick floating and yellow sludge in the coolant reservoir and then emulsion in the oil filler hose and cap. I replaced my air/oil separator (AOS) and after that, no emulsion and no oil slick anymore - and I check it regularly. Coolant runs through the head of the oil separator. Another location where coolant and oil run in close proximity is the heat exchanger adjacent to the starter. Some coolant/oil heat exchangers (all-metal) have been reported to fail too but less of a risk. I did not cut my AOS open to prove there was see
  3. Wow, O2 sensors - I hadn't even thought of that angle for possible issues. Thanks for passing that along Loren. Are the bung sizes are the same? I may roll the dice on the set of cats considering the price.
  4. Did several searches and could not find the answer if both the headers and cats can be swapped going from 3.6l to a 3.4l. For thread completeness, there several threads noting that you can put 3.6 mufflers on a 3.4, connecting to 3.4l cats. I use bypass pipes so mufflers are not part of my equation. My goal is to buy a used second set of catalytic converters to be modified with new 200 cell guts, but keep the stock parts just in case I want to revert back to fully stock in the future or have trouble at visual inspection. There seem to be more 2002+ exhaust parts available and came
  5. 1. Can you confirm the part number used is a 996.107.023.55? 2. Copied from the Pelican AOS Tech Article: "When the air-oil separator fails, the intake manifold vacuum will draw into the crankcase and the levels will reach 9-12 inches or more." 3. I would replace it with another new one since it is not worth saving the $150 for the problems it will create. At a minimum, I would take the new one out it out to test the non-coolant ports with a mityvac.
  6. 996 cable/wire sheathing seems to be tasty to critters. I had something eat through my knock sensor cable, but nothing a precision soldering iron can't fix. If you don't have the pinout, let me know and I can snap some pics for you. The connectors are brittle so be careful when taking them apart. Probably obvious, but also make sure you plug in black to black plug and gray to gray plug when putting them back together.
  7. I'm running a 295/30/18's on the 10" ET65 Sport Design wheels. They fill out the wheel nicely, no rubbing on a 99 C4. 295's are generally spec'ed for 10"-11" widths.
  8. While doing some other work, I noticed belt rub on a coolant line just above the lower left idler pulley. I have a '99 so I have the special TIS bracket/guide to help with belt slip but that goes in a different location. Anyone else seen this? All pulleys are in great shape with no slop. The belt is only about 1 year old made by ContiTech. Picture of the rubbing and one with the pulley removed.
  9. Had this happen to me. I used some needle-nose pliers and plastic o-ring pick to grab it then pull it up and over the lip. Take your time so you don't rip it.
  10. During some maintenance, I broke the "bonded rubber buffer" bolt that has threaded portions on each side of a round rubber cylinder and holds the bottom left of the throttle body. I purchased the replacement which had been superseded from 93011057901 to 99970326500. Unfortunately the new part is much longer and won't fit in the spot. Do I need to replaced the small metal bracket to match?? Here is a picture of the part I broke (rubber ripped in half) and here is what arrived
  11. In troubleshooting a rich at idle, lean at speed issue, I replaced my MAF with a yellow boxed one. As far as I know the one replaced is the original. Since there are so many knock-offs, I used a reputable vendor and double-checked the authenticity. Essentially, you download the TecIdentify app on your smartphone and scan the 2D barcode. After scanning you get a green verification or red problem screen. Look for the seal on the box with codes and Bosch Hologram: Download, the tecIdentify app Find the 2D barcode on the other side of the seal and scan it: Look for a green square in your
  12. Ignore prior post but here is a reference picture:
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