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Search preserved mailing-list messages and current email and website contributions. Current posts are searchable before weekly archival. Recovery gaps remain possible. Words are matched together; try fewer terms if needed.

Page 1+: 60 results shown for TDC.

Source-balanced relevance: matches from both collections are interleaved, with source dates breaking ties. Restoration time is not the original posting date.

  • Re: What does this do ?
    Historical mailing list - David Beierl
    Tue, 15 Mar 2011 19:13:07 -0400
    At 06:50 PM 3/15/2011, John Goubeaux wrote: >relay TDC-Marker ? > >http://medusa.education.ucsb.edu/~john/images/tdc-marker.jpg Obsolete...
  • 3 new mechanical sections on my site...
    Historical mailing list - Benny boy
    Fri, 8 Oct 2004 00:16:53 -0400
    ...http://www.benplace.com/4cycles.htm (the 4 cycle and TDC) http://www.benplace.com/tdc.htm (Finding the TDC) http://www.benplace.com...
  • TDC sensor cable questions
    Historical mailing list - lauterba
    Sat, 23 Aug 2003 15:26:58 -0400
    On a 1.9L WBX, how do you remove the cable from the TDC sensor (need to move from one engine to another)? Is...
  • Re: What's the correct TDC mark on a 1.6 Diesel (in a vanagon)?
    Historical mailing list - Dana Morphew
    Sun, 4 Mar 2001 07:47:37 -0800
    Stephen, I believe the "V" is the correct TDC mark on the pressure plate. Line it up with the reference pointer you see when...
  • Re: ignition timing
    Historical mailing list - David Beierl
    Tue, 2 May 2000 22:59:29 -0400
    At 19:56 5/2/2000, Bob Gourley wrote: >Could someone please tell me if the notch on the crankshaft pulley is at TDC...
  • Re: finding TDC
    Historical mailing list - Per Lindgren
    Thu, 6 Jan 2000 01:11:17 +0100
    ...The van is a '84 and I need to find TDC for #1 to put > the dizzy in correctly. Therefore I cannot use the...
  • What's the correct TDC mark on a 1.6 Diesel (in a vanagon)?
    Historical mailing list - stephen de la salle
    Sat, 3 Mar 2001 15:19:31 -0500
    ...With the head off I found 'another' tdc mark - a V indent - which really is at TDC i.e. the #1 piston reaches the...
  • On 2.1L is TDC the U groove on pulley?
    Historical mailing list - Tim Marciniak
    Mon, 2 Sep 2002 14:07:50 -0500
    I have run into some confusion in the Bentley manual as to which mark on the crankshaft pulley is TDC--the V notch closest...
  • ignition timing
    Historical mailing list - Bob Gourley
    Tue, 2 May 2000 16:56:15 -0700
    ...Could someone please tell me if the notch on the crankshaft pulley is at TDC or at 5 degrees before TDC. Bentley, on page...
  • What does this do ?
    Historical mailing list - John Goubeaux
    Tue, 15 Mar 2011 15:50:11 -0700
    relay TDC-Marker ? http://medusa.education.ucsb.edu/~john/images/tdc-marker.jpg and can I remove it ? -john
  • Re: finding TDC
    Historical mailing list - Jay & Kim Schmidt
    Wed, 5 Jan 2000 13:52:45 -0600
    ...The van is a '84 and I need to find TDC for #1 to put the dizzy in correctly. Therefore I cannot use the...
  • TDC Sensor - Thanks
    Historical mailing list - Scott Snyder
    Sun, 22 Mar 1998 16:43:54 -0500
    Tom, Dan, Pete and Sean, Thanks for the advice on the TDC sensor. I breathed a sigh of relief. Thank you!
  • Re: Vanagon/Jetta timing issue. Use RPM sensor hole to find #1 TDC mark?
    Historical mailing list - Mark Drillock
    Mon, 14 Apr 2008 20:59:46 -0700
    ...With a 4 cylinder 4 cycle that means the crank timing mark will line up for 2 different cylinders at TDC at the same...
  • Digifant TDC sensor
    Historical mailing list - Gary
    Sat, 4 Mar 2000 12:40:40 -0700
    Can someone tell me if the three prong TDC sensor on an 87 digifant is connected to anything. Is it for diagnostics only? Gary
  • Finding TDC on I-4 Conversion, 1.9TD @ 15 degrees
    Historical mailing list - Doug Fitz-Randolph
    Wed, 11 Jun 2003 11:33:42 -0400
    ...How do I get TDC? No access hole I can find, and not the original flywheel anyhow I think. Do I need to remove...
  • Re: I gotta tranny... what is the gearing? no codes
    Historical mailing list - Sudhir Desai
    Tue, 23 Dec 2008 15:51:54 -0500
    ...pull the plugs get tdc on one of the cylinders jack one rear wheel off the ground turn the wheel until you hit tdc...
  • TDC ?
    Historical mailing list - Christopher M. Smith
    Tue, 28 Jan 1997 11:27:41 -0800 (PST)
    I'm getting mixed messages from my Haynes and Muir on the meaning of TDC (especially as it relates to being in proper position...
  • Re: Help diagnose Cinco
    Historical mailing list - Michael Diehr
    Mon, 7 Nov 2005 07:57:34 -0800
    > Am I right in assuming that on a 4-stroke engine like this, the TDC > mark on the pulley turns at the speed of...
  • Re: Lifter adjustment... How can I tell if they are really hydraulics?
    Historical mailing list - Greg Potts
    Mon, 23 Mar 2009 19:17:22 -0400
    ...Another plus is that I don't always have to start at TDC1; if the engine is closer to TDC3 then I can start...
  • Re: Vanagon Ignition Timing
    Historical mailing list - Ken Lewis
    Wed, 3 Sep 1997 12:20:14 EDT
    I hollowed out an old sparkplug and made a device to check the TDC mark. I found an old rod that fit snuggle in...
  • Re: finding TDC
    Historical mailing list - Bulley
    Wed, 5 Jan 2000 14:03:39 -0500
    ...finding TDC Thanks Bulley, Stuart. I should offer this. The van is a '84 and I need to find TDC for #1 to put...
  • Re: Finding TDC on I-4 Conversion, 1.9TD @ 15 degrees
    Historical mailing list - mark drillock
    Wed, 11 Jun 2003 08:58:09 -0700
    ...How do I get TDC? No access hole I can find, and not the > original flywheel anyhow I think. Do I need to remove...
  • Re: Audi 5000 turbo motor/ WB transmission
    Historical mailing list - Helmut Zeidler
    Mon, 30 Nov 1998 11:48:39 +0100
    ...If you are able to modify the clutch surface of the flywheel, you may continue to use the original Audi and its TDC sensor...
  • Re: finding TDC
    Historical mailing list - Bulley
    Wed, 5 Jan 2000 11:23:57 -0500
    ...Although we don't now if you are talking about an air-cooled or water-cooled van, you can find EXACT TDC the following...
  • Re: TDC Sensor
    Historical mailing list - Tom Young
    Sun, 22 Mar 1998 07:18:00 -0800
    ...What > is the TDC sensor? What does it plug into? From what I can tell, it is > installed in the right crankcase half. Are...
  • Re: What does this do ?
    Historical mailing list - HotelWestfalia
    Tue, 15 Mar 2011 16:10:17 -0700
    ...What does this do ? > relay TDC-Marker ? > > http://medusa.education.ucsb.edu/~john/images/tdc-marker.jpg > > and can I remove it ? > > -john >
  • Re: TDC Sensor
    Historical mailing list - Peter Zendzian
    Sun, 22 Mar 1998 08:14:27 -1000
    ...What >is the TDC sensor? What does it plug into? From what I can tell, it is >installed in the right crankcase half. Are...
  • Finding TDC revisited
    Historical mailing list - tabe johnson
    Sun, 29 May 2005 01:31:38 -0400
    ...When the pencil stops moving, that's close to TDC, either on the compression or exhaust strokes. If you need to find TDC more...
  • Re: Finding TDC on I-4 Conversion, 1.9TD @ 15 degrees
    Historical mailing list - Doug Fitz-Randolph
    Wed, 11 Jun 2003 12:07:23 -0400
    ...is there a possibility that it still might not be TDC, i.e. the flywheel was not correctly oriented when installed? I'm unfortunately...
  • TDC Sensor
    Historical mailing list - Scott Snyder
    Sat, 21 Mar 1998 23:21:17 -0500
    I thought I had most of my engine parts assembled and ready to install when I saw in one of my manuals a TDC...
  • finding TDC
    Historical mailing list - Jay & Kim Schmidt
    Wed, 5 Jan 2000 11:15:45 -0600
    ...Something like just before #3 exhaust starts to close is TDC for #1. Am I on the right track? Jay
  • Re: 1.9L timing help
    Historical mailing list - Chuck Mathis
    Mon, 7 May 2001 16:25:10 EDT
    Uh Jay, I got the Before and After TDC confused but the factory timing notch is to the left of the TDC notch on...
  • Re: Vanagon/Jetta timing issue. Use RPM sensor hole to find #1 TDC mark?
    Historical mailing list - neil N
    Mon, 14 Apr 2008 22:00:34 -0700
    ...Currently it's timed so when #1 is at TDC, the cam is at its' correct mark, and the distributor is at #1 mark...
  • Re: Adjusting Valves
    Historical mailing list - William R. Kennedy, NJIT CIAT, 201-596-5648
    Fri, 24 Feb 1995 17:00:45 EST
    ...Burczyk's note implies that TDC is 180 degrees from the bump on the cam; I don't think that's true. If you...
  • Vanagon Head Leak
    Historical mailing list - Daniel Arnfeld
    Mon, 14 Apr 1997 21:23:32 -0700
    ...The sockets I have are all too deep to pass the TDC sensor and seat firmly on the nut. Removing the TDC sensor not...
  • Re: Vanagon/Jetta timing issue. Use RPM sensor hole to find #1 TDC mark?
    Historical mailing list - Jake de Villiers
    Mon, 14 Apr 2008 23:10:04 -0700
    Just because the piston's at the top of its stroke doesn't mean its TDC. :) Pull the #1 plug and turn the motor...
  • Re: Finding TDC on I-4 Conversion, 1.9TD @ 15 degrees
    Historical mailing list - David Marshall
    Wed, 11 Jun 2003 18:51:51 -0700
    ...The *absolute* best way to verify that you are indeed at TDC is to remove the injector and put the eraser end of a...
  • Re: stumped
    Historical mailing list - Scott Daniel - Turbovans
    Fri, 18 Dec 2009 18:57:26 -0800
    re "TDC was > determined with a dial indicator on the top of the piston. " yes, but on WHICH tdc ? - the piston comes up on...
  • Re: problems after head swap in '84 1.9
    Historical mailing list - Ben huot
    Wed, 29 May 2002 16:36:35 -0400
    ...The other thing I can think is a wrong TDC timing, are you sure that you put the piston # 1 a TDC, how do...
  • vanagon booted
    Historical mailing list - Steve Jevne
    Tue, 24 Oct 2000 20:24:43 EDT
    ...So I asked some mechanics and they said that I can set TDC anywhere on the distributor. I am not quite sure how to...
  • Re: PLEASE HELP!!!.... TIMING ISSUES ON NEW ENGINE
    Historical mailing list - Tom Young
    Thu, 10 Jun 2004 19:25:57 -0700
    ...At one point the piston will be at TDC with the exhaust valve open. At another point the piston will be at TDC with...
  • Re: Finding TDC (dumb question?)
    Historical mailing list - Thomas Bartnicki
    Thu, 7 Feb 2002 08:50:52 EST
    ...THEN dial in the TDC.. using the stock marking on the pulley
  • Re: More cylinder numbering
    Historical mailing list - Mark McCulley
    Thu, 23 Jan 1997 17:32:52 -0800
    ...That will indicate TDC on #1. There's usually a small notch (more like a nick) in the distributer body at the #1 position...
  • Re: Bummer, man--Gross Polluter
    Historical mailing list - Old Volks Home
    Wed, 23 May 2007 16:41:57 -0700
    You never "time them a bit" BEFORE TDC or it will run too hot because of the detonation. I actually run Ole Putt at...
  • Re: Simple Timing Question on 2.1L
    Historical mailing list - ROBERT DONALDS
    Tue, 18 May 2004 09:40:56 -0400
    the differance is 5 deg when the v-notch is to the right of the u-notch that is 5 before TDC (2.1...
  • Re: Flywheel TDC mark? and tranny access hole?
    Historical mailing list - Dana Morphew
    Mon, 3 Feb 2003 12:02:54 -0800
    ...The "mark" which may be for TDC, depending on the flywheel, is between the two raised square bosses. Check it with the distributor rotor...
  • TDC Sender
    Historical mailing list
    Mon, 17 Jun 1996 22:45:19 PST
    When is the TDC sender used on the 2.1 engine? How much do they cost and do I really need it? The one...
  • Re: Timing Notch? on 2.1 Digifant
    Historical mailing list - kenneth d lewis
    Mon, 15 Sep 1997 18:49:57 EDT
    ...Since the pulley turns clockwise; the first notch that passes the split in the case must be 5 degrees BEFORE TDC. The next notch...
  • Re: Vanagon/Jetta timing issue. Use RPM sensor hole to find #1 TDC mark?
    Historical mailing list - neil N
    Mon, 14 Apr 2008 23:31:31 -0700
    ...Yah that was one of the first things I did when checking for TDC. Feeling for air coming out of spark plug hole. I...
  • Re: Top Dead Center sensor
    Historical mailing list - Aristotle Sagan
    Wed, 14 Nov 2001 13:00:21 -0800
    Someone correct meeze if I am wrong, but the Air Cooled TDC sensor mounted in the engine flange behind the flywheel is for diagnostic...
  • Re: 2.1 ignition timing
    Historical mailing list - Clint Kolda
    Tue, 18 Mar 2008 05:23:54 -0700
    ...If we had to advance the timing 5-7 degress to get to TDC, I still need to go to the 5 degree mark...
  • Vanagon/Jetta timing issue. Use RPM sensor hole to find #1 TDC mark?
    Historical mailing list - neil N
    Mon, 14 Apr 2008 20:32:41 -0700
    ...I need to confirm TDC of #1 cylinder, but obviously can't see the flywheel. Bentley shows a gear attached to crank, that RPM...
  • Finding TDC revisited
    Historical mailing list - Mike Jeffrey
    Sat, 28 May 2005 19:40:32 -0700
    ...I'm installing my distributor and need to find TDC on #1, so I went back through the archives to find the correct method...
  • Re: What does this do ?
    Historical mailing list - Jim Johnston
    Tue, 15 Mar 2011 19:15:28 -0400
    ...Jim Wilmington, NC On Tue, Mar 15, 2011 at 6:50 PM, John Goubeaux <john@ucsb.edu> wrote: > relay TDC-Marker ? > > http://medusa.education...
  • 2.1 ignition timing
    Historical mailing list - Clint Kolda
    Mon, 17 Mar 2008 19:29:49 -0700
    ...As I understand it, the two marks on the pully indicate TDC and 5� BTDC. I assume the V notch toward the front of...
  • Re: Finding TDC on I-4 Conversion, 1.9TD @ 15 degrees
    Historical mailing list - Doug Fitz-Randolph
    Sun, 20 Jun 2004 14:33:51 -0400
    ...When I look at the KEP flywheel through the access hole, I can see the TDC mark. Here's where I'm a little...
  • Re: Confused about valve adjustment
    Historical mailing list - Tom Young
    Sun, 22 Jun 2003 16:25:26 -0700
    ...Rock the engine back and forth when the piston is right near TDC and you'll be able to establish, very closely, when the...
  • Re: Timing tips for Idiots
    Historical mailing list - Paul Guzyk
    Fri, 27 Apr 2007 06:35:39 -0700
    ...After intake closes and both valves are closed is when you will have TDC. The intake valve for #1 is the second from the...
  • Re: What does this do ?
    Historical mailing list - Scott Daniel - Turbovans
    Tue, 15 Mar 2011 19:09:06 -0700
    ...What does this do ? > > >> relay TDC-Marker ? >> >> http://medusa.education.ucsb.edu/~john/images/tdc-marker.jpg >> >> and can I remove it ? >> >> -john >>
  • Re: What goes here? and a part request for a 85 GL.
    Historical mailing list - Rocket J Squirrel
    Wed, 2 Jul 2014 13:21:46 -0700
    ...it triggers a lamp every time the engine passes TDC. An "engine running" indicator? -- Jack "Rocket j Squirrel" Elliott 1984 Westfalia, auto trans, Bend...