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Thread: Name That LEAK!

  1. #127
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    Quote Originally Posted by Aronis View Post
    I spoke (typed) too soon as both turbines are trash. Part of the housing is cracked.

    I ordered two new CHRA (Central Housing Rotating Assemblies).

    So I'll end up with new turbos too. Mine were fairly degraded so there may actually be some more punch in the car once is all back together.

    Attachment 17060 See crack here.

    Attachment 17061 Deformed blades.

    Mike
    Was there any way you could tell that these were in bad shape during normal or hard driving?

    Just wondering????
    2012 Q7 TDI S-Line - 2010 GTI - 2007 A3 3.2 S-Line - 2003 RS6
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  2. #128
    Registered User Aronis's Avatar
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    Quote Originally Posted by ddillenger View Post
    Would you be interested in parting with the beat CHRA's? I don't want to pay much, but I like spare parts, and my buddy does great work building these things.
    No problem, I'll box them up, PM your address, you just have to pay for shipping.

    Mike
    '18 BMW M5, '19 Porsche Boxster GTS
    (prior '94 325is, '97 M3, '00 A6 4.2,'03 RS6,'08 A4 Cab,'13 A8L,'15 Q7,'16 BMW M2,

  3. #129
    Registered User Aronis's Avatar
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    Turbo Rebuilding underway. He is maticulous with the cleaning of every part before reassembly.

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    '18 BMW M5, '19 Porsche Boxster GTS
    (prior '94 325is, '97 M3, '00 A6 4.2,'03 RS6,'08 A4 Cab,'13 A8L,'15 Q7,'16 BMW M2,

  4. #130
    Registered User Aronis's Avatar
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    Upper half of oil pain is off, flange is off, ready for valve cover gasket replacement and then begin rebuilding the whole thing.



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    '18 BMW M5, '19 Porsche Boxster GTS
    (prior '94 325is, '97 M3, '00 A6 4.2,'03 RS6,'08 A4 Cab,'13 A8L,'15 Q7,'16 BMW M2,

  5. #131
    Registered User Aronis's Avatar
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    Click image for larger version. 

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    on stand.....nice to have the right equipment
    '18 BMW M5, '19 Porsche Boxster GTS
    (prior '94 325is, '97 M3, '00 A6 4.2,'03 RS6,'08 A4 Cab,'13 A8L,'15 Q7,'16 BMW M2,

  6. #132
    Registered User Aronis's Avatar
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    Hopefully it's now time to put stuff back together.....last item opened, replace valve cover gaskets AGAIN! Was done not too long ago but one is leaking.

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ID:	17106 No OF COURSE I am paranoid about the electric secondary coolant pump. LOL....
    '18 BMW M5, '19 Porsche Boxster GTS
    (prior '94 325is, '97 M3, '00 A6 4.2,'03 RS6,'08 A4 Cab,'13 A8L,'15 Q7,'16 BMW M2,

  7. #133
    Registered User Aronis's Avatar
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    update. Rear seal and flange are on.

    Today he was working on the oil pan upper and lower and oil cooler.

    We got a great look at the cylinders and the surfaces look new. No groves or evidence of wear. Timing change looks fine as does the tensioner. He was cleaning every speck of the old sealant from the surfaces of the oil pain parts, etc, before reassembly.

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    '18 BMW M5, '19 Porsche Boxster GTS
    (prior '94 325is, '97 M3, '00 A6 4.2,'03 RS6,'08 A4 Cab,'13 A8L,'15 Q7,'16 BMW M2,

  8. #134
    Registered User Aronis's Avatar
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    Update:

    The engine is off the engine stand and back on the assembly table. intake and exhaust are back on and the flywheel is back on. The wire harness has been rebuilt.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    '18 BMW M5, '19 Porsche Boxster GTS
    (prior '94 325is, '97 M3, '00 A6 4.2,'03 RS6,'08 A4 Cab,'13 A8L,'15 Q7,'16 BMW M2,

  9. #135
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    Click image for larger version. 

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    Inside of oil cooler....Bufkin pipe fit perfectly.
    '18 BMW M5, '19 Porsche Boxster GTS
    (prior '94 325is, '97 M3, '00 A6 4.2,'03 RS6,'08 A4 Cab,'13 A8L,'15 Q7,'16 BMW M2,

  10. #136
    Registered User lswing's Avatar
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    Glad to see it coming together! You did cam tensioner pads a while back right? Cheap and easy to do since it's open, just wanted to double check.
    Ace/Edge TC - Tozo Trans - MTM TCU - REVO/ME7 tune - Wagner IC's w/ Venair Hoses - Aux Radiator delete - Hotchkis Sways - Hawk HPS Pads - Koni Sport Struts - Scroll KO4 Turbos - Devil's Own WM - 421whp/452wtq on Mustang Dyno - http://www.audirssix.com

  11. #137
    Registered User Aronis's Avatar
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    Yes, they were done when I had the new intercooler and valve cover gaskets done. LOL.. I was not charged for the parts....love that!

    Wire harness was fixed also.

    FYI, Iswing, the tuner in Syracuse (Cantech) is now an APR dealer (new since last June).

    Mike
    '18 BMW M5, '19 Porsche Boxster GTS
    (prior '94 325is, '97 M3, '00 A6 4.2,'03 RS6,'08 A4 Cab,'13 A8L,'15 Q7,'16 BMW M2,

  12. #138
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    Just read the entire thread while panicking since I have a mystery leak.

    Different location, drips just inside and in front of drivers front tire.

    after looking under the car tonight I can see the drivers side cv is leaking (inner side)

    and I have two lights on the dash- traction control and ABS.

    Need to to do more research.


    But- your thread is awesome to read. Time for more Bourbon.

  13. #139
    Registered User Aronis's Avatar
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    Gentleman,

    Those darn CV boots are a mess!

    You have to figure out what fluid it is. Color, odor, taste,etc.

    Rotten Egg smell us usually the differential fluid which can leak out at the output seal of the transmission on the side where the front shaft comes out. I had a leak just like you are describing on the passenger side. The drive axel on the passenger side is a little easier to remove. The sell all sizes of replacement seals to accommodate for wear in that part. It's a dark fowl smelling thick fluid.

    Oil from that side can be as simple as the valve cover gasket and the drivers side is the easy side to replace, but after seeing the engine out I can see that the insert for the dipstick can also leak as that seal is only an o-ring.

    Power steering pump and reservoir are on that side too as well as the master brake cylinder.

    Mike
    '18 BMW M5, '19 Porsche Boxster GTS
    (prior '94 325is, '97 M3, '00 A6 4.2,'03 RS6,'08 A4 Cab,'13 A8L,'15 Q7,'16 BMW M2,

  14. #140
    Registered User Aronis's Avatar
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    Cleaning up parts....

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    One Fuel Injector is broken (little nylon ring above the O-ring) snapped....replacement $147.....sweet.....
    '18 BMW M5, '19 Porsche Boxster GTS
    (prior '94 325is, '97 M3, '00 A6 4.2,'03 RS6,'08 A4 Cab,'13 A8L,'15 Q7,'16 BMW M2,

  15. #141
    Registered User Aronis's Avatar
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    Engine and Transmission back together....waiting on one Fuel injector.....apparently not easy to obtain....

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    '18 BMW M5, '19 Porsche Boxster GTS
    (prior '94 325is, '97 M3, '00 A6 4.2,'03 RS6,'08 A4 Cab,'13 A8L,'15 Q7,'16 BMW M2,

  16. #142
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    Got one.....LOL....Click image for larger version. 

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    '18 BMW M5, '19 Porsche Boxster GTS
    (prior '94 325is, '97 M3, '00 A6 4.2,'03 RS6,'08 A4 Cab,'13 A8L,'15 Q7,'16 BMW M2,

  17. #143
    Registered User Aronis's Avatar
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    Turbos going back on.....

    Progress...step by step....

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    '18 BMW M5, '19 Porsche Boxster GTS
    (prior '94 325is, '97 M3, '00 A6 4.2,'03 RS6,'08 A4 Cab,'13 A8L,'15 Q7,'16 BMW M2,

  18. #144
    Registered User ttboost's Avatar
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    Quote Originally Posted by Aronis View Post
    Got one.....LOL....Click image for larger version. 

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    I think I have a whole set sitting on my tool box...

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