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Old 03-07-2018, 12:39 AM   #1
franco516
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Buying used k04

Ive been looking for a k04 and today i got offered a unitronic BW k04 for a good price. According to the seller it has 20k but it could be more for all we know. Its only the turbo so I would need to purchase a unitronic DV relocation kit and hardware kit.
What would you guys ask and look for if you were buying a used turbo? Here are some pics he sent me.



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Old 03-07-2018, 12:40 AM   #2
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Old 03-07-2018, 02:59 AM   #3
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Check for shaft play, make sure the blades aren't hitting the inside of the turbo. You can also send it out and have it rebuilt for about 300.00. Make sure the manifold is straight, no cracks. Check the wastegate cracking pressure, I think a standard k04 is 5.5 lbs, unless upgraded to a forge WGA.

All I can think of atm.
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Old 03-07-2018, 10:04 AM   #4
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so apparently he bought the car used(which came with the k04) and very shortly after owning the car, timing skipped and he decided to part out the car. would a timinig chain issue cause any damage to the k04?
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Old 03-07-2018, 10:37 AM   #5
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so apparently he bought the car used(which came with the k04) and very shortly after owning the car, timing skipped and he decided to part out the car. would a timinig chain issue cause any damage to the k04?
I don't see that it would, but I'm no expert on that. My friend bought a used k04, had it rebuilt and it had 90k on it when sold the car (which had almost 200k on it)
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Old 03-07-2018, 10:45 AM   #6
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I don't see that it would, but I'm no expert on that. My friend bought a used k04, had it rebuilt and it had 90k on it when sold the car (which had almost 200k on it)
check this thread out tho.

http://www.golfmk6.com/forums/showthread.php?t=77456
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Old 03-08-2018, 12:29 AM   #7
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Imo depends on the price. If under 1k, I would just buy it and send it out to socal tuning and let them inspect and replace parts. Plus they do ceramic coatings and porting as well.


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Old 03-08-2018, 11:18 AM   #8
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Just check for shaft play and blade damage. If none you should be fine its a borgwarner turbo which are reliable. I bought my ko4 used with like 10-15k on it and its been on my car for 60k and still going strong "knock on wood"
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Old 03-09-2018, 02:29 AM   #9
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Every seller has its price. But i purchased my used ko4 with “approximately” 20k miles for $700. I had to source out the install hardware which isn’t hard to find at all.
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Old 03-09-2018, 12:26 PM   #10
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thanks guys. the seller hasnt replied since i asked him for more detailed pics.
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