EM TuningMonster Motorsport
Results 1 to 14 of 14
Like Tree1Likes
  • 1 Post By aragorn

Thread: 1.8t, is smoking bad for your health?

  1. #1
    Arrkon's Avatar
    Midlands regional Moderator

    Status
    Offline
    Join Date
    Oct 2010
    Location
    Coventry, West Midlands
    Posts
    1,641

    1.8t, is smoking bad for your health?

    Hey guys, cars just started doing this...

    http://www.youtube.com/watch?v=CputqtG5TV4

    Starts about a minute after a cold start, it's not piston rings, as I have good compression across all 4 cylinders. Get a good bit of smoke at full chat too...

    Now I'm wondering is it Stem seals or the Turbo that's on it's way out? Any way to tell which it is?

    Thanks
    Currently rolling in a SKODA!!!

  2. # ADS
    ADS
    Join Date
    Always
    Location
    Global
    Posts
    Many
     
  3. #2
    Arrkon's Avatar
    Midlands regional Moderator

    Status
    Offline
    Join Date
    Oct 2010
    Location
    Coventry, West Midlands
    Posts
    1,641
    Nobody?
    Currently rolling in a SKODA!!!

  4. #3
    "Stick a V8 in it!"

    Status
    Offline
    Join Date
    Jan 2008
    Location
    Glenrothes, Fife, Scotland
    Posts
    15,317
    Unfortunately its a bit difficult to test the turbo or stem seals independently.

    The stem seals would typically give a puff of blue on cold start, and also if you left the engine idling for perhaps a minute, then gave it a rev it would often pour out blue smoke.

    Issue is the turbo could smoke at similar points!

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  5. #4
    Broken Byzan's Avatar
    Photographic Moderator

    Status
    Online
    Join Date
    Apr 2004
    Location
    Cardiff, United Kingdom
    Posts
    12,505

    My Social Networking

    Follow Broken Byzan On Twitter Add Broken Byzan on Facebook Add Broken Byzan on Google+ Visit Broken Byzan's Youtube Channel
    I have the same issue, and am hoping mine is head related. cos the wife will torch it if the turbo is fubar.You can disconnect the oil feed to the turbo, hold the shaft steady with some mole grips so it doesn't turn. Then start the engine and see if it still does it. Obviously you need a steady handed assistant that trusts you to hold the mole grips while you rev it up

  6. #5
    Arrkon's Avatar
    Midlands regional Moderator

    Status
    Offline
    Join Date
    Oct 2010
    Location
    Coventry, West Midlands
    Posts
    1,641
    Quote Originally Posted by Byzan Pics View Post
    I have the same issue, and am hoping mine is head related. cos the wife will torch it if the turbo is fubar.You can disconnect the oil feed to the turbo, hold the shaft steady with some mole grips so it doesn't turn. Then start the engine and see if it still does it. Obviously you need a steady handed assistant that trusts you to hold the mole grips while you rev it up
    If I disconnect the oil feed, how could I block it? else oil will go everywhere surely? should the wastgate be manually opened too?
    Currently rolling in a SKODA!!!

  7. #6
    Broken Byzan's Avatar
    Photographic Moderator

    Status
    Online
    Join Date
    Apr 2004
    Location
    Cardiff, United Kingdom
    Posts
    12,505

    My Social Networking

    Follow Broken Byzan On Twitter Add Broken Byzan on Facebook Add Broken Byzan on Google+ Visit Broken Byzan's Youtube Channel
    you block it by putting something in its place, usually at the filter housing end. Why open the WG, you only need to know if the oil is pushing past the seals by eliminating the turbo feed. If it still smokes with shaft held, its not the turbo

  8. #7
    Arrkon's Avatar
    Midlands regional Moderator

    Status
    Offline
    Join Date
    Oct 2010
    Location
    Coventry, West Midlands
    Posts
    1,641
    Was just thinking of limiting the amount of pressure against the turbine was all... will give it a try tomorrow...
    Currently rolling in a SKODA!!!

  9. #8
    Broken Byzan's Avatar
    Photographic Moderator

    Status
    Online
    Join Date
    Apr 2004
    Location
    Cardiff, United Kingdom
    Posts
    12,505

    My Social Networking

    Follow Broken Byzan On Twitter Add Broken Byzan on Facebook Add Broken Byzan on Google+ Visit Broken Byzan's Youtube Channel
    if you blank the feed off at the housing end and have the pipe off in your hand, there will be no pressure on it,lol You dont need to rev it, just run it up holding the shaft tight to stop it turning for long enough to see if it still smokes.

  10. #9
    "Stick a V8 in it!"

    Status
    Offline
    Join Date
    Jan 2008
    Location
    Glenrothes, Fife, Scotland
    Posts
    15,317
    The issue with that, is that there will almost certainly be oil residue left hanging around the turbo housing and in the exhaust etc, so it might still smoke anyway!

    The only way to be sure, is to remove the manifold and have a look in the exhaust ports. If its coming from the engine, there will be signs of oil in the exhaust ports. If the exhaust ports are dry, then its most likely the turbo.
    Tom_B likes this.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  11. #10
    Arrkon's Avatar
    Midlands regional Moderator

    Status
    Offline
    Join Date
    Oct 2010
    Location
    Coventry, West Midlands
    Posts
    1,641

    1.8t, is smoking bad for your health?

    Thinking its the turbo at the mo, noticed a sound akin to a dentist drill on spool and have quite a bit of oil residue inside the MAF housing and upper TIP...
    Currently rolling in a SKODA!!!

  12. #11
    "Stick a V8 in it!"

    Status
    Offline
    Join Date
    Jan 2008
    Location
    Glenrothes, Fife, Scotland
    Posts
    15,317
    have you done the simple test of checking for thrust play in the shaft?

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  13. #12
    Arrkon's Avatar
    Midlands regional Moderator

    Status
    Offline
    Join Date
    Oct 2010
    Location
    Coventry, West Midlands
    Posts
    1,641
    last time I had the TIP off, there was a little in/out and a little side to side play...
    Currently rolling in a SKODA!!!

  14. #13
    "Stick a V8 in it!"

    Status
    Offline
    Join Date
    Jan 2008
    Location
    Glenrothes, Fife, Scotland
    Posts
    15,317
    side to side is normal, in/out is not!

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  15. #14
    Arrkon's Avatar
    Midlands regional Moderator

    Status
    Offline
    Join Date
    Oct 2010
    Location
    Coventry, West Midlands
    Posts
    1,641

    Re: 1.8t, is smoking bad for your health?

    Yep. Thought as much, at least if that is the culprit it is already in plan to be replaced anyway.:D
    Currently rolling in a SKODA!!!

 

 

Similar Threads

  1. Is a BOV ok or bad for your engine comparied to a
    By audia4t99 in forum A4/S4 forum(B5 Chassis)
    Replies: 3
    Last Post: 8th October 2004, 21:12
  2. What the best Wax for your Car
    By S3_quattro in forum Detailing
    Replies: 8
    Last Post: 9th April 2004, 13:29
  3. how much did you pay for your audi A4
    By imsdh in forum General Chat
    Replies: 0
    Last Post: 10th February 2004, 03:37
  4. MOVED: What the best Wax for your Car
    By S3_quattro in forum A3/S3 Forum (8L Chassis)
    Replies: 0
    Last Post: 9th December 2003, 10:57
  5. chipping a 1.8t bad for engine?
    By twally in forum A4/S4 forum(B5 Chassis)
    Replies: 2
    Last Post: 27th August 2003, 03:58

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Single Sign On provided by vBSSO

Garage Plus, Vendor Tools vBulletin Plugins by Drive Thru Online, Inc.

Content Relevant URLs by vBSEO