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Thread: JBDs B3 CQ

  1. #41
    Veteran Member Four Rings Mantis's Avatar
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    Looks like my hobby table. Nice build, good job reviving her
    I don't think I care anymore

  2. #42
    Veteran Member Four Rings jbrentd's Avatar
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    Back in business...


  3. #43
    Veteran Member Four Rings jbrentd's Avatar
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    A recent picture I took.


  4. #44
    Veteran Member Four Rings jbrentd's Avatar
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    and another...

    Everyone got baths on Sunday.


  5. #45
    Veteran Member Four Rings 100Daily's Avatar
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    Wow, awesome job. You are like Edd China fixing that car up! Nice.
    Gone But Not Forgotten: 2013 S4 3.0 ---- 2008 A5 3.2 ---- 2005.5 A4 2.0T ---- 1993 90S 2.8

  6. #46
    Veteran Member Three Rings
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    where is the Suzuki?

  7. #47
    Veteran Member Four Rings jbrentd's Avatar
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    Quote Originally Posted by Ruffiano View Post
    where is the Suzuki?
    lol. That's long gone. As you can see, I finally got that Jeep I wanted back when I was in high school.

  8. #48
    Veteran Member Four Rings jbrentd's Avatar
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    Parting shot of this car driven off by it's new owner. I'm sure I'll regret this in the future.


  9. #49
    Veteran Member Four Rings jbrentd's Avatar
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    Bringing my old thread back from the dead.

    Turns out I did regret the decision to sell. So much so that I recently contacted the guy I sold it to. Come to find out, it's been sitting in his shop for a couple of years after it developed a bottom end knock. He indicated that he would sell it back to me for quite a bit less than I sold it to him. I made the drive to central Kansas and trailered it home last week.



    In the 4-1/2 years he owned it, he was able to complete the DIY coilovers, get the AC system working again, and a whole bunch of other small maintenance/repair stuff.

    Needless to say, I'm pretty excited to have it back, but a little nervous on what it'll take to get it running again. Compression test shows no pressure in cyl #3 and a couple bent valves could be seen on the borescope. I'm starting to disassemble the engine now. Maybe it's time to swap something different into it.


  10. #50
    Active Member One Ring //Sporty's Avatar
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    awesome! I felt the same way when I sold mine a couple years ago. "what have I done?" if it had a little more power I would have been happier and probably never had sold. now is your chance... aan, 3b or 7k. wish I had done it...

  11. #51
    Veteran Member Four Rings jbrentd's Avatar
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    Quote Originally Posted by //Sporty View Post
    awesome! I felt the same way when I sold mine a couple years ago. "what have I done?" if it had a little more power I would have been happier and probably never had sold. now is your chance... aan, 3b or 7k. wish I had done it...
    In a weird coincidence, a $400 ‘91 200 Avant popped up for sale this week, which is pretty rare around here in Oklahoma. Sadly, I missed it by a couple of hours.

  12. #52
    Established Member Two Rings Blueprint's Avatar
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    Frankly I'm shocked this thread was resurrected... it's a rare occurrence to actually get back the one that got away! Good luck with your project. If I was anywhere near Oklahoma I'd sell you the bone stock AAN out of my S6.
    "Your ride, your money, your car... your choice. WGAF what others think." - 800088

    '02 S4 6MT - III+ GT's
    '94 S4 5MT - K24/RS2
    '95 S6 5MT - Project FFFFF

  13. #53
    Veteran Member Four Rings jbrentd's Avatar
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    Quote Originally Posted by Blueprint View Post
    Frankly I'm shocked this thread was resurrected... it's a rare occurrence to actually get back the one that got away! Good luck with your project. If I was anywhere near Oklahoma I'd sell you the bone stock AAN out of my S6.
    Yeah, I didn't really expect the guy to say he still had the car. I'd love to run across a stock 3B or AAN that is even somewhat local.

  14. #54
    Veteran Member Four Rings jbrentd's Avatar
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    '91 Coupe Quattro, '97 4Runner
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    I've been working on it a little at a time and have drained the coolant and oil, removed all of the intake, valve cover and head bolts. I started to remove the exhaust manifold, but could not get to the 2 rear nuts on the bottom. So, I moved to the EM/downpipe flange. Next is to separate the head.


    Just some notes along the way:
    • I work slow!
    • There are wasp and muddobber nests EVERYWHERE on this thing. I wish I would have taken pictures of them...it would make quite a collage.
    • I probably shouldn't care about breaking/shearing bolts and that's part of the reason I am so slow.
    • I only got a very small of amount of coolant out when I drained it. But I didn't see any in the oil.

  15. #55
    Established Member Two Rings Blueprint's Avatar
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    Re: the coolant... if your engine (NG? AAR?) is anything like the AAN, coolant likes to hide in the motor and heater core.

    You basically have to do a full flush to get anything substantive out. You can adapt this procedure (for the AAN) to your car: https://forums.quattroworld.com/s4s6/msgs/261537.phtml

    Some people flush the heater core and engine separately to make things "easier" (more work, better results). Good luck...
    "Your ride, your money, your car... your choice. WGAF what others think." - 800088

    '02 S4 6MT - III+ GT's
    '94 S4 5MT - K24/RS2
    '95 S6 5MT - Project FFFFF

  16. #56
    Veteran Member Four Rings jbrentd's Avatar
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    Quote Originally Posted by Blueprint View Post
    Re: the coolant... if your engine (NG? AAR?) is anything like the AAN, coolant likes to hide in the motor and heater core.

    You basically have to do a full flush to get anything substantive out. You can adapt this procedure (for the AAN) to your car: https://forums.quattroworld.com/s4s6/msgs/261537.phtml

    Some people flush the heater core and engine separately to make things "easier" (more work, better results). Good luck...
    In my head, I was planning on some sort of flush routine, but that lays it out for me. Thanks for the link.

  17. #57
    Veteran Member Four Rings jbrentd's Avatar
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    I went to put #1 at TDC and align all of the timing marks before removing the timing belt. And I think this thing is out on its timing.

    In the pics below, #1 is at TDC(verified with a long 1/4” extension) and the crank pulley marks are lined up. But it looks like the cam pulley is off by a couple of teeth and the camshaft marks aren’t lining up. Am I seeing that correctly?

    Doesn’t matter much anyways. But it might help explain what happened to it. Maybe it skipped a tooth? Or the PO did it intentionally hoping for performance gains?






  18. #58
    Veteran Member Four Rings jbrentd's Avatar
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    Could dirt and debris cause the timing belt to jump? The crank, cam and water pump sprockets all had junk in the cogs.





    More mud dobber nests...getting chewed up by the water pump, I guess.


  19. #59
    Veteran Member Four Rings jbrentd's Avatar
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    Going to inspect the cylinder walls for signs of damage and then check the piston deck height across all cylinders. If everything looks okay there, the plan is to take the head to a local machine shop to have it checked out.

  20. #60
    Veteran Member Four Rings jbrentd's Avatar
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    The deck clearance numbers showed cylinders 1-4 were about +0.5mm (above) and #5 was about -0.5mm (below). I decided to not spend any more time/money on the original 7a engine. So, it is out and on the stand. With it stripped down to just the short block, it was pretty easy to remove by myself with just a jack.





    More mud dauber nests




  21. #61
    Veteran Member Four Rings jbrentd's Avatar
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    So, it looks like I'll have a replacement 7a on the way soon, thanks to a generous member of the vintage Audi community. Hopefully, this will get her back on the road until I can source a proper swap.

    My car came with the late 7a and the replacement looks to be an early 7a. I understand that the wiring harness, ECU, and ISV are some of the more important differences between the two. Some questions I have regarding the differences in the early and late 7a's:

    1. Are there other differences I should be aware of?
    2. Can I simply use my original intake manifold, TPS, and ISV for the swap?
    3. What about running the bag o snakes without a heat shield? Seems like there are too many electronics, rubber bits and intake parts that are too close.

    Thanks,
    Brent

  22. #62
    Established Member Two Rings Blueprint's Avatar
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    I'd like to say all that stuff should swap over just fine, but I don't know enough about 7A's to definitely say one way or the other. Lots more knowledgeable vintage Audi guys on motorgeek or QW or Project Pad will be able to help you out with those queries.
    "Your ride, your money, your car... your choice. WGAF what others think." - 800088

    '02 S4 6MT - III+ GT's
    '94 S4 5MT - K24/RS2
    '95 S6 5MT - Project FFFFF

  23. #63
    Veteran Member Four Rings jbrentd's Avatar
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    Quote Originally Posted by Blueprint View Post
    I'd like to say all that stuff should swap over just fine, but I don't know enough about 7A's to definitely say one way or the other. Lots more knowledgeable vintage Audi guys on motorgeek or QW or Project Pad will be able to help you out with those queries.
    Thanks for the reply. Yeah, I have a few of these threads going. It seems the vintage crowd has been using facebook mostly, which I'm not a fan of really. So I posed the questions in a few places. It seems I'm on the right track.

  24. #64
    Established Member Two Rings Blueprint's Avatar
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    I've noticed that too and I'm also not exactly thrilled about it. On the one hand, it's very convenient to troubleshoot or just "talk shop" while you're also interacting with the rest of your social circle. Also, throwing a question on FB can often mean much quicker replies, a much larger audience, and/or more input. However, it comes at the expense of a finite lifespan.

    A forum thread can be searched, archived, stickied, bookmarked, linked, etc. but on Facebook, no matter how valuable or relevant the information may be (for you or anyone else who comes along in the future), it eventually disappears off the front page, and that's all she wrote. And then the same questions get asked over and over again. The more that people migrate away from forums and onto FB, the more it compounds.

    I can't count how many times the "eureka!" piece of information I was looking for came from a 12 year-old thread on a forum somewhere.
    "Your ride, your money, your car... your choice. WGAF what others think." - 800088

    '02 S4 6MT - III+ GT's
    '94 S4 5MT - K24/RS2
    '95 S6 5MT - Project FFFFF

  25. #65
    Veteran Member Four Rings jbrentd's Avatar
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    '91 Coupe Quattro, '97 4Runner
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    Quote Originally Posted by Blueprint View Post
    I've noticed that too and I'm also not exactly thrilled about it. On the one hand, it's very convenient to troubleshoot or just "talk shop" while you're also interacting with the rest of your social circle. Also, throwing a question on FB can often mean much quicker replies, a much larger audience, and/or more input. However, it comes at the expense of a finite lifespan.

    A forum thread can be searched, archived, stickied, bookmarked, linked, etc. but on Facebook, no matter how valuable or relevant the information may be (for you or anyone else who comes along in the future), it eventually disappears off the front page, and that's all she wrote. And then the same questions get asked over and over again. The more that people migrate away from forums and onto FB, the more it compounds.

    I can't count how many times the "eureka!" piece of information I was looking for came from a 12 year-old thread on a forum somewhere.
    Exactly! I hate to think about all of the useful information that will be lost if motorgeek were to go down. It's a ghost town nowadays.

  26. #66
    Veteran Member Four Rings jbrentd's Avatar
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    '91 Coupe Quattro, '97 4Runner
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    The replacement 7a showed up last week. I had hoped to start working on it this weekend, but my son was in town from college and I didn't get much done.



    It'll need a new timing belt, but I'll probably wait until it's in the car so I can break the crank bolt free.

    I did manage to swap a Dave Kase recharged bomb into the coupe this weekend.



    I'm also going to attempt to clean up the slop in the shifter bushing by following this tech article from AW. Hope I can find the bushing and grommets I need for that.

  27. #67
    Veteran Member Four Rings jbrentd's Avatar
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    This explains the variance in the deck clearance measurements on the old 7a. #5 on the left.


  28. #68
    Veteran Member Four Rings jbrentd's Avatar
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    Small bits of progress here and there...

    Have been working on the replacement 7a. My plan is to clean up the block, give it a coat of engine paint, and freshen up all of the upper gaskets.





    Trying to stay somewhat organized.




    I ended up buying a bucket-top parts cleaner with a submersible pump and a flow through brush. It works pretty well, but requires water based degreaser.

    Got distracted and worked a little on the valve cover.



    Rebuilt the shift linkage. I'm cheap and wanted to try the DIY method, so I followed this Audiworld DIY.

    Started with this.


    Ended with this.


    And used a few pieces from the hardware store and amazon to get there.




    Here's a list of the parts I used in case anyone needs them.

    From the hardware store (Ace has the best selection in my area):
    • (2) Nylon spacers 1/2" ID 5/8" OD 1/2" long
    • (2) split steel spacers 3/8” ID 1/2" OD 3/4" long (cut down to about 13.5mm)
    • (2) 5/8" electrical grommets
    • (2) M6x1.0 16mm allen heads(used to bolt u joint assembly to rod)
    • (4) M5x.8 10mm for holding box together

    From Amazon:
    • (2) 25mm x 10mm threaded sleeves. Threaded for M6x1.0. They come in a 10 pack. Joined together with an M6x1.0 bolt that I cut the head off of. I added this to my list of parts because I couldn't tap the ends of the steel pin.


    Serviced the injectors this weekend.



    And one of the reasons for the lack of any real progress. Been fighting the leaves the past couple of weekends.


  29. #69
    Veteran Member Four Rings jbrentd's Avatar
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    Have a few more parts to clean up, but I should be putting everything back together soon.






  30. #70
    Veteran Member Four Rings jbrentd's Avatar
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    Seems like the parts to be painted just keep coming. Getting there.


  31. #71
    Veteran Member Four Rings jbrentd's Avatar
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    Made some more progress this weekend. Exhaust header, brackets, alternator are on. Also torqued down a new valve cover gasket.










  32. #72
    Registered Member One Ring
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    wow.. what a comeback
    B4 & B5 & B6 / Avant TDI

  33. #73
    Veteran Member Four Rings jbrentd's Avatar
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    Quote Originally Posted by Poderis View Post
    wow.. what a comeback
    Thanks

  34. #74
    Veteran Member Four Rings jbrentd's Avatar
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    Refreshed the heat shield on the AC line that runs from the dryer to the firewall. Found this one with Velcro on Amazon and cut it to fit the length.

    Old


    New


    Had the flywheel resurfaced.



    Also discovered that I’ll need a new radiator. Ordered a Hella/Behr radiator from Rock Auto.



    AND...Got the replacement 7A bolted up yesterday. This was my first time doing this, so it took a lot longer than it should have. It felt like wrestling a gorilla at times, but once it was lined up right, it slid right it.






  35. #75
    Veteran Member Four Rings jbrentd's Avatar
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    Itching to get this thing fired up. Just need to bolt up the exhaust, change the TB/WP/pulley, and fill up the fluids.



    Had to trim the heat shield a bit due to clearance issues with the AC line running from the dryer to the evaporator.







    New Behr/Hella radiator.



    Bought myself some new exhaust for Christmas.


  36. #76
    Registered Member Three Rings Nano909's Avatar
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    Just went through this thread, and I'm glad you bought it back. I'm going to buy one pretty soon and I'm glad you're still on AZ so I can ask you questions if that's okay.

  37. #77
    Veteran Member Four Rings jbrentd's Avatar
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    Quote Originally Posted by Nano909 View Post
    Just went through this thread, and I'm glad you bought it back. I'm going to buy one pretty soon and I'm glad you're still on AZ so I can ask you questions if that's okay.
    Sure, anytime. Good luck with your search.

  38. #78
    Veteran Member Four Rings jbrentd's Avatar
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    Spent some time chasing down a no spark issue. Lots of things that it could be. Turned out to be the hall sensor/distributor. After I swapped in my spare, the engine was showing signs of trying to start, but it was chugging and bucking quite a bit. One too many attempts and it locked up and the starter wouldn’t turn it over. I hand cranked it a little and heard some awful grinding sounds that I originally though were coming from the engine internals. But it turned out to be the starter.







    After reading up on what causes a broken starter nose cone, I figured it was engine kickback. Basically, ignition is happening a touch too soon (i.e. ahead of TDC) ...causing the engine to rotate in the wrong direction. It's violent, as evident by the damage to the starter.

    So, I adjusted the distributor alignment and installed a replacement starter and she runs! First time in several years.

    https://youtu.be/vZurDlwClz0

  39. #79
    Senior Member Two Rings snolvr's Avatar
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    Nice persistence. Hopefully it's running strong, before you pull it and put in a turbo motor :)

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