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    Thread: How To: Install an APR K04 on a TSI

    1. 01-23-2011 11:28 PM #1
      I completed the installation this weekend. There are a few frustrating points during the process, but nothing a semi-experienced shade tree mechanic can't overcome. Definitely plan on spending the whole weekend on it. Nothing is particularly hard, but it all takes time working by yourself. An assistant would be very helpful. I didn't have the bolt sizes available, so there was a lot of back and forth from under the car to the tool chest. I've provided tool sizes to save you that trouble. Enjoy!

      PHASE I - REMOVAL

      1. Unlock car, get stuff out of the trunk (you're going to disconnect the battery). Break the lugs loose on the front passenger wheel.

      2. Jack car to the minimum height required to get your body under the car. If it's too high, you'll regret it later. Remove the front passenger wheel.

      3. Remove your intake. Everyone's probably got an aftermarket, so no need to explain how.

      4. Disconnect both battery terminals (10mm wrench/ratchet). Disconnect 13mm battery hold-down screw and bracket. Remove battery. Remove qty 3 10mm screws from battery tray. Wiggle out battery tray. This opens up a lot of valuable space.



      Ok, under the car:

      5. Remove the front passenger fender liner and splash shield. There's qty 4 T25 torx that have to come out of the fender, and a bunch more underneath for the splash shield. There are all the same size. Bag 'em up.

      6. Remove your downpipe. There's plenty of "how-to's" out there. Just make sure you also remove the heat shield from the passenger axle CV joint. It's two 16mm screws.

      7. Remove the pancake pipe from the passenger-side fender. It's two T30 screws (they're captive - don't remove after unscrewing). Then pop the spring clamps and pull her out. See below.



      8. Disconnect the DV and N75 electrical connectors. I had to use a small screwdriver to get the tabs to release. BE SUPER CAREFUL. You don't want a broken electrical connector. Unclip the guides from the wire and lay it up onto the engine cover.

      8a. Cover up that stupid cross-member with a towel! Dropping things into this cavernous black hole sucks.

      9. Remove the two 10 XZN (triple-square) screws from the bottom of the turbo support bracket. These are extremely close to the axle. I put my short XZN socket in, then I had to follow it up with attaching the breaker bar to bust them loose, then remove the tools, and turn them by hand. Terrible picture:



      10. Remove the 6mm hex drive screw from the upper section of the turbo support bracket. Remove the bracket.

      11. Remove the 12 XZN banjo bolt from the coolant return line at the turbo. This step sucks. The oil supply line and its heat shield and the firewall heat shield are all conspire to make this a pain in the ass. It's doable. Use a breaker to get it started and then finish it with a pair of vice grips on your XZN socket. You might be able to wait on this whole step until later, after the oil supply line has been disconnected, which would free up some space.

      Frustration:



      As you start to remove this bolt, some coolant will start to drip... not a lot, maybe 4 oz. Be prepared with a catch container. Optionally, you could drain the coolant beforehand. This isn't a bad idea, as more spills later.

      12. Disconnect the oil return line using an 8 XZN drive socket to remove the two screws. If you have long XZN's, they will pay off here.

      13. Remove qty 1, 8 XZN drive screw from the bracket just under the DV. This holds the oil supply line in place.

      Ok, back on your feet and in the engine bay:

      14. Remove the engine cover.

      15. Disconnect the connectors from the coils, route the wiring harness out of a couple of spring clips and set it to the side of the engine.

      16. Remove the upper coolant line going into the coolant reservoir. THIS WILL BREAK VACUUM ON THE COOLING SYSTEM. The remaining coolant in the head and reservoir is about to gush out of your turbo coolant return fitting. You may want to cover the cross-member with some plastic sheeting. Be prepared to catch about 1/2 a gallon of coolant!

      17. Disconnect all of the the vacuum and coolant lines running to the vacuum and coolant hard pipes on the turbo heat shield where ever is easiest. You're prepping to remove the heat shield. Remove a 10mm nut holding down a skinny ground wire ring terminal and a T30 torx screw holding the heat shield in place next to the ground wire.

      18. Remove the intake tube. God, this can be frustrating with the factory spring clamps. I used vice-grip needle nosed pliers with reasonable success and a lot of swearing. You can remove it entirely by disconnecting the PCV connector (also a PITA), or simply lay it on the motor with the PCV attached. Shove a rag in the turbo inlet if you care about it.

      19. There are three screws holding the turbo heat shield to the engine. Two are 10 XZN's, located towards the driver's side of the heat shield and the second towards the passenger side. Then there's a big 6mm hex drive plug, right around the middle. You absolutely need a long/extended 6mm drive tool... a normal socket extension will not go. Here's my setup and the removed plug:



      20. Remove a T30 drive screw from the block right above the turbo inlet. It holds a vacuum line to the block IIRC.

      21. Remove the turbo heat shield. Success! Note where I disconnected the hoses. These locations worked well and were all accessible.



      22. Disconnect the oil supply line from the turbo using a 12 XZN socket. Push the line away from the turbo.

      23. Disconnect the coolant supply hose from the plastic pipe towards the front of the engine bay. Depending where your spring clip ended up at the factory, you may or may not be able to get at this clip with the noise pipe installed. I had to disconnect mine to get at the hose clip. Route it out of its path after unclipping it. Here it is removed from the plastic pipe (lower hose):



      24. Remove the qty 5 nuts holding the turbo manifold to the head. Two of my nuts came out with their studs. Don't panic. They can be removed by carefully chucking them up in a vice with protection on the stud threads and turning the nut. Some PB Blaster is a good idea.

      25. LIFT the turbo up and out of the engine bay! Gravy! Plenty of room. No need to drop the axle and go out the bottom.



      PHASE II - CONVERSION

      1. Follow APR's instruction sheet for setting up the plugs in the coolant inlet/outlet bungs on the K04. These puppies are tight! I recorded a 40-42 ft-lb breakaway torque on the plugs! Only a 6mm hex drive! Flip the washer and torque to 38-40 ft-lbs.

      The inner plug is tough to tighten safely. Be careful not to bend the wastegate actuator arm!!! Here was my setup with a wobble extension. It barely made it.



      2. Remove the coolant supply hose (CSH) from your K03. It's a 12 XZN drive screw and an 8 XZN screw holding it to the bracket. The 8 XZN is not reused. Put it in your drawer to avoid confusion later...

      3. Start test fitting the CSH on the K04. Reuse the old washers for test fits. You'll find the CSH bracket interferes with the K04. Carefully bend the bracket so it doesn't interfere, or cut the bracket off.

      Bad bracket:



      4. After clearing the bracket and continuing your test fitting, you may find the banjo head is influencing the position of the hose a little too much as it contacts the turbo clamp:



      I Dremeled my banjo head down just enough to get the CSH to safely clear the manifold runner:



      5. Satisfied with the fit and clearance? Using new washers supplied by APR, torque the CSH as follows - first to 20 N-M, then an additional 45*. DON'T USE THE THICKER WASHER! It's used later.

      6. Install DV. I used a shiny new D valve. You could swap your G. Use the 5mm screws provided by APR and orient the valve as instructed by APR, using the longer screw where intended.

      7. Swap the vacuum line from the K03 to the K04. Easy right? Sort of. The vacuum line is clamped on using an Oetiker clamp. If you've never dealt with these, they are fun. To remove the clamp, drive a thin screwdriver or pick under the band (where the little teeth poke through) and pry it up to release tension. You are aiming to destroy it. It's ok, they are single-use clamps and APR included new ones. Busted free:



      7a. Crimp a new Oetiker on the hose on your K04. APR was nice enough to give me extra in case I ****ed up. They know me well... If you work on enough VAG cars, you may own the proper crimp tool (~$25 online). I don't, but a small pair of end nippers gets the job done with a decent crimp:







      8. Install the qty 4 new downpipe studs on the turbo. You can snug them up with a vice grip on the shoulder (don't mash the threads). They don't have to be particularly tight, just snug.

      9. I found out the hard way, but you don't have to... the turbo heat shield will not clear the coolant line when going back together.



      Hacksaw to the rescue! I cut along the bend on the side. I cut the whole length off and Dremeled a smooth, round edge after.







      Clear!



      PHASE III - INSTALLATION

      1. In general, it's the reverse of removal. The K04 will fit from above. Angle the compressor side down a little first and voila! First, make sure you put the new gasket on. The tab should face the driver's side.

      2. When torquing the turbo to the head, there is a very specific sequence to follow. Let's label the nuts 1 thru 5, starting from the passenger side. The sequence to tighten them is: 1, 3, 5, 4, 2. You have to make five passes in that exact sequence. The first four passes will increase torque each time, starting with 5 Nm, 12 Nm, 16 Nm, and then 25 Nm. The fifth pass should be made at 25 Nm again, to verify nothing has changed. If you get any rotation on the fifth pass, make another at 25 Nm until the nuts don't rotate.

      3. The oil feed line to the turbo gets 20 Nm and then 45* rotation. The oil return line is 9 Nm. Before hooking up the oil feed line, pour/funnel some oil into the turbo and give it a few spins.

      4. Putting the APR silicone adapter in place is a mofo, and you'll be tired at this point. You could try fitting it to the turbo outlet prior to dropping the turbo in, but I can't promise it will fit as I didn't do it.

      5. Refill the coolant reservoir to the top of the hash mark. You didn't lose much... about 1/2 gallon. You could just replace it with distilled water instead of mixing up a batch of G12. Let it run for 3 minutes. Open the reservoir and fill to the line again.

      6. Go for a drive. If you don't have the software yet, put it in stock mode. Check for leaks. When the car has cooled, open the coolant reservoir and top off to the line again.

      That's about it. If I left something out, I'll update. Feel free to ask any questions.

      Thanks!

    2. Member
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      01-23-2011 11:42 PM #2
      ballin.

    3. Member Track5tar's Avatar
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      01-24-2011 02:02 AM #3
      nice
      Unitronic > APR Switched from APR to UNI and never looking back
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    4. Forum Sponsor Arin@APR's Avatar
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      01-24-2011 05:56 PM #4
      Hey man, once again I want to thank you for taking the time to post this.

      I looked this over with the guys in the shop and they noticed a few issues with your install which led to the following issues:

      • Cutting the Heatshield
      • Grinding down the banjo bolt for clearance
      • Clearance of bracket off of coolant hose
      • And maybe a few other 'tight' fits


      Here's the reason why.

      Quote Originally Posted by MR2ToVW View Post
      PHASE II - CONVERSION

      1. Follow APR's instruction sheet for setting up the plugs in the coolant inlet/outlet bungs on the K04. These puppies are tight! I recorded a 40-42 ft-lb breakaway torque on the plugs! Only a 6mm hex drive! Flip the washer and torque to 38-40 ft-lbs.

      The inner plug is tough to tighten safely. Be careful not to bend the wastegate actuator arm!!! Here was my setup with a wobble extension. It barely made it.

      This is an error in our instructions. I'm not sure how it got in there, maybe one of the turbos picked up for the photos had the lines moved, but any way they were in the wrong position in the photos.

      HERE IS THE CORRECT ORIENTATION






      With the plug in the correct position the following will be fixed:

      • The banjo bolt will clear the bracket on the turbo and will not need to be ground down.
      • The coolant line will have more space and will not touch the turbo manifold.
      • The lines will be setup properly and will not require the heatshield to be cut





      Please, if this caused anyone any headaches. Email me and let me know. aahnell@goapr.com
      Last edited by Arin@APR; 01-26-2011 at 04:31 PM.
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      01-24-2011 07:51 PM #5
      Brilliant writeup.

      This thread should be a sticky for K04 Installation.

      I would imagine all of the different vendors kit's will install 95% in the same fashion.

      props for taking the time to do this.

    6. Member MK6GTI's Avatar
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      01-24-2011 09:28 PM #6
      Would a two post lift help with the installation?
      APR | RAI | GHL | KW | BBS
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    7. 01-24-2011 09:40 PM #7
      Absolutely. Crawling around under the car sucks.

    8. 01-24-2011 09:44 PM #8
      Quote Originally Posted by scenturion View Post
      ballin.
      Quote Originally Posted by Track5tar View Post
      nice
      Quote Originally Posted by Arin@APR View Post
      Very nice! Thank you for the write up!
      Quote Originally Posted by mikeg6045 View Post
      Brilliant writeup.

      This thread should be a sticky for K04 Installation.

      I would imagine all of the different vendors kit's will install 95% in the same fashion.

      props for taking the time to do this.
      No problem. I like to help. Tomorrow the car gets flashed and dyno'd...

    9. Member ViRtUaLheretic's Avatar
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      01-25-2011 11:27 AM #9
      added to the FAQ
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      01-25-2011 03:52 PM #10
      Nice writing and thanks! Enjoy the ride!

    11. Forum Sponsor Arin@APR's Avatar
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      01-25-2011 06:48 PM #11
      From Engineering:

      Quote Originally Posted by Tom@APR
      This customer shows having to cut his factory heat shield for the coolant line… If he simply removes all of the fasteners attaching the coolant line to the engine, he can maneuver the line to the correct place. He can then reattach all the factory coolant line fasteners without having to cut the heat shield. Cutting the heat shield can cause unwanted noises and vibrations. We include some directions with every kit… Loosening this coolant line is a portion of the factory install manual.
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    12. 01-25-2011 10:18 PM #12
      Quote Originally Posted by Arin@APR View Post
      From Engineering:
      I replied over on GolfMKV. I don't want to keep up with multiple threads, lol.

    13. Forum Sponsor Arin@APR's Avatar
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      01-26-2011 04:33 PM #13
      Updated my post above. We had an error in our directions.
      GoAPR.com | Facebook | YouTube | Twitter
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    14. Member Aguilar's Avatar
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      02-04-2011 03:16 PM #14
      Thank you for the write up, and thanks for Arin for the clarification. I cmd+p > saved as .pdf for future reference.

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      02-06-2011 11:15 AM #15
      awesome write up...it should be stickied so i can use it next year

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      02-23-2011 10:43 AM #16
      Awesome post. Query: If you wrote it, I missed it.. You mentioned "finishing up over the weekend," I know it was a one man job, but how long did the install take? How much time would you anticipate being dived off with a helper?
      OEM+ : Cup Holder, Turns, Piano Black Trim, Ambient Lighting, Dial Pad, RNS-315, F/R Footwell lighting, Door Warning Lights, Euro Switch, Asypherical Anti-Dazzle Mirrors, PIAA Lighting, 9W7, OEM RVC, Black Grill, Custom Painted Lip Spoiler, extra baggage hook! Performance : ///AWE CC Developmental Car: K04 w/GIAC H.O. File, Catback, DP, C|C|B Intake, TOP, S3 + Hose Kit, H&R Springs, Rotiform MIAS, Conti DWS 235/35/19, Pedal Kit, Boost Gauge!

    17. Member ryan mills's Avatar
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      02-23-2011 08:00 PM #17
      It took me about 8 hours to do, taking my sweet time and without any instructions. If I knew that I didn't have to take the bottom bracket off holding the manifold to the block I would have saved a lot of time. It took my less than four hours to return back to do it a second time in reverse.

    18. 02-23-2011 10:25 PM #18
      I wasn't rushing at all, so it's tough to say. I did a little on Friday night, most of it on Saturday, then polished it up on Sunday morning. I was eating meals, taking breaks, drinking beers, and not working particularly hard at all.

      Using the guide I posted will save a ton of time just by not needing to test every bolt/driver size to figure out which wrench to use (which I had to do). Having an assistant to hand you things/tools will save you a butt load of time. There's not many situations where you could have two people actually turning wrenches at the same time though.

      First time, I'd give yourself two lazy days or one balls out work day to get it done. I like the lazy/slow/steady pace when it comes to my own car. As Ryan said, the second time would be a breeze... 4-5 hours no problem.

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      04-06-2012 01:55 PM #19
      It will be quite some time before I'm at the K04 stage, but I want to thank you now for the documentation.

      I just installed springs with the help of a similar guide, and they're worth their weight in gold. Thanks for the contribution to the community!

    20. 04-06-2012 10:36 PM #20
      Hey thanks. No problem.

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