Old Library

The information here is no longer maintained.

Please go to our NEW LIBRARY where we have imported this page and added more.

[GTI-VR6 Library] [GTI-VR6 Mailing List]

Engine/Fuel System

Oil, etc.

[[FAQ]] How-to: Change oil in a VR6 [ Mar 15, 2004 ]
Oil filter part number for GTI VR6's and other oil filter info [ Dec 31, 1969 ]
How-to: Use an empty oil bottle as an oil filling funnel [ May 04, 2001 ]
Info: Synthetic oil: what grade and brand to use [ Dec 21, 1999 ]
How-to: Changing oil pan gasket [ Jan 01, 2003 ]
Info: Size of 1995 GTI VR6 oil drain plug and its thread size and torque spec. [ Jan 20, 2004 ]
Info: Alternative to using a gasket: "goo" gasket [ Jul 04, 2002 ]
Engine oil leaks [ Sep 28, 1998 ]
Goop from around the cylinder head may not be an oil leak [ Mar 20, 2001 ]
How synthetic oil MAY cause engine leaks [ Mar 20, 2001 ]
Location for the ND oil cooler [ Mar 20, 2001 ]
Info: Turn 2 oil cooler [ Mar 20, 2001 ]
Stock oil cooler leaking [ Mar 20, 2001 ]
How-to: Installing an Auto-Tech oil cooler [ Aug 22, 2002 ]
Info: VDO oil pressure gauge [ Feb 18, 2004 ]
Info: Gauges for GTI VR6 [ Jun 20, 2002 ]
How-to: Installing/replacing oil pressure sender [ Jul 10, 2003 ]
Info: Oil pressures in the VR6 [ Jul 16, 2003 ]
Problem: Leaking oil pressure sender [ Mar 20, 2001 ]
How-to: Remove oil filter housing [ Feb 18, 2004 ]
Info: A list of FAQs on oil, at http://www.repairfaq.org/
Another oil FAQs list - Part One, at http://www-pal.usc.edu/
Another oil FAQs list - Part Deux, at http://www-pal.usc.edu/
Yet another oil FAQs list, at http://lonestar.texas.net/
Yet another oil FAQs list |-), at http://www.vtr.org/
Info: Oil temperature survey [ Jun 19, 2002 ]
Info: Where is the oil temperature sender? [ Mar 20, 2001 ]
Chips
[[FAQ]] Info: The Garrett chip [ Apr 12, 2003 ]
[[FAQ]] Info: Garrett chip for OBD I (95 and earlier VR6s) [ Sep 16, 1998 ]
Info: OBD II Garrett chip version [ Oct 22, 1998 ]
Info: G chip's programming and the various throttle bodies [ Jan 26, 1999 ]
Problem: Disconnect of battery and install of Garrett chip causes rough idle [ Aug 29, 2002 ]
[[Mk4]] Problem: Disconnect of battery and install of Garrett chip causes rough idle [ Aug 29, 2002 ]
Garrett chip vendors (also: vendor in Mexico) [ Feb 22, 2002 ]
Is the Garrett chip really invisible to the VW VAG1551 scan tool? [ Mar 20, 2001 ]
Info: Dyno runs of stock chip vs Garrett chip in a 98 GTI VR6 [ Mar 24, 2001 ]
Info: Autotech Q chip vs. Garrett chip [ May 21, 2002 ]
Info: Garrett chip vs. Wetterauer chip [ Feb 22, 2002 ]
Info: Why the AMS chip identifies itself to engine scan tools [ Mar 20, 2001 ]
Problem: Problem with TT chip [ Dec 02, 1998 ]
Origin of the TT chips? [ Sep 05, 1999 ]
Info: Upsolute Vr6 chip [ Apr 29, 2003 ]
Have stereo shops un-solder ECM chip [ Mar 20, 2001 ]
How-to: 95 GTI VR6: how to desolder the ECM chip and solder in a socket [ Jul 27, 2002 ]
How-to: Another how-to on de-soldering the chip (95 OBD I VR6s) [ Mar 20, 2001 ]
How-to: Install the VR6 OBD-II chip (pics and details), at http://users.iei.net/
How-to: Install the VR6 OBD-II chip (pics and details), at http://spoi.com/
How-to: Making your ECU look like it has never been tampered with [ Mar 20, 2001 ]
Engine electronics and management, spark plugs, ignition, etc.
Coil wire arcing? [ Feb 01, 1999 ]
Accounts of coil pack failures [ Jan 28, 2002 ]
Debuging a possible cracked coil pack and/or ignition wire problems [ Jan 05, 2004 ]
How-to: Fix a cracked coil pack with epoxy [ Aug 28, 2003 ]
How-to: Fix a cracked coil pack! (Same article as above, but somewhere else, with a pic.), at http://chris.agenteight.com/
Info: Testimonies on the "epoxy fix for cracked coil pack" [ May 23, 2003 ]
How-to: Fix a cracked coil pack, with PlastiDip [ Apr 21, 2003 ]
Is a coil pack fixed with epoxy flammable? [ Mar 11, 2004 ]
How-to: Using plastic washers to "insulate" coil pack from head [ Mar 12, 2005 ]
List of Web articles on VW/Audi's coil pack recall [ Jan 24, 2006 ]
How-to: Cheap, temporary fix for arcing coil wires [ Mar 20, 2001 ]
Info: Beware Beru coil packs [ Jun 18, 2003 ]
Another type of coil pack failure [ Jun 27, 2003 ]
How-to: Using Mk IV (A4?) coil pack on an A3 [ Nov 23, 2003 ]
How-to: Using Accel coil packs on an A3 [ Aug 17, 2005 ]
Info: Another coil pack alternative [ Oct 31, 2005 ]
How-to: Nicely detailed write-up on using 1999 Ford Windstar 3.8L coil pack, with lots of pics [ Feb 19, 2006 ]
How-to: Distinguish OBD I engines from OBD II engines [ Mar 21, 2003 ]
Info: OBD I -> OBD II cut-over [ Nov 23, 2003 ]
Info: Alternatives to the "official" VW VAG 1551 diagnostics scan tool [ Jan 20, 2002 ]
Great article on OBD II technology -- at Carley's, at http://members.aol.com/
How-to: Reset 94 Golf 3's service reminder indicator [ Feb 06, 2001 ]
A3 Volkswagen ECM Identification, Removal, and Disassembly [ Apr 14, 2002 ]
Where is the tach wire on the ECU? [ Mar 20, 2001 ]
How-to: Jumper the ECM's connector to get the fault codes (OBD I cars) [ Feb 19, 2006 ]
95 GTI VR6s: Plug for getting DTC from ECU [ Mar 20, 2001 ]
Info: Great big table of DTC's (Diagnostic Trouble Code), at http://www.bentleypublishers.com/
Problem: Secondary air injection (AIR) fault code [ Oct 24, 2002 ]
How-to: Replace secondary air injection (AIR) valve [ Apr 08, 2004 ]
Info: Ross-Tech VAG-COM OBD-I and OBD-II PC-based scan tool [ Jun 19, 2002 ]
Buying VAG-COM off eBay? [ Dec 10, 2004 ]
Buying VAG-COM cable? [ Nov 15, 2005 ]
How-to: Build an OBD-I/OBD-II adapter for your laptop [ Jan 23, 2004 ]
http://www.opendiag.org/, at http://www.opendiag.org/
http://www.hex.co.za/vaginfo/index.html, at http://www.hex.co.za/
Problem: Dead ECU, and possible fix [ Mar 20, 2001 ]
[[FAQ]] Which spark plugs? [ Mar 04, 2002 ]
[[FAQ]] How-to: Change spark plugs [ Jan 20, 2004 ]
[[FAQ]] [[Mk4]] How-to: Change spark plugs [ Jan 20, 2004 ]
[[FAQ]] Where is the VR6's spark plug tool? [ Mar 20, 2001 ]
An all-metal version of the VR6's spark plug tool [ Sep 25, 2002 ]
Where to get Beru spark plugs [ Jul 03, 1998 ]
96 1/2 GTI VR6's use NGK-R Platinum spark plugs [ Mar 20, 2001 ]
Info: New Bosch +4 spark plugs [ Mar 20, 2001 ]
Bosch VR6 spark plug part number [ Mar 20, 2001 ]
Aftermarket spark plug wires (ignition wires, ignition cables): Blue Ignitors [ May 17, 2002 ]
How-to: Testing the knock sensors [ Jun 24, 2003 ]
Air management, airbox, etc.
[[FAQ]] Pics on how to remove the "cone" in the airbox [ Jan 24, 2006 ]
[[FAQ]] Why or why not remove the airbox "cone"? [ Feb 05, 2001 ]
[[FAQ]] How-to: More info on airbox mods: "snow screen", snorkel ("cone", "horn"), etc. [ Mar 20, 2001 ]
Pic showing the snow screen's position in the airbox [ Dec 31, 1969 ]
Pictures of the snow screen (in the airbox), before and after cleaning. [ Apr 14, 2002 ]
Info: Euro VR6s have no snow screen! [ Feb 07, 2001 ]
Jon Laye's cold-air mod: using Mustang GT airbox w/ cone filter, at http://www.jonlayephotography.com/
How-to: Jason Whipple's air box mod [ Apr 14, 2002 ]
Horsepower gain with Jason Whipple's air box mod [ Mar 20, 2001 ]
How-to: Yet another air box mod article and pics, at http://www.servtech.com/
How-to: And yet other airbox mods [ Mar 24, 1999 ]
[[FAQ]] How-to: Relocating the charcoal canister (to make room for intake ducting, etc.) [ Apr 07, 2001 ]
[[FAQ]] How-to: Relocating the charcoal canister (98 and later A3 GTI VR6's) [ Mar 28, 2001 ]
How-to: Cold air induction [ Jun 06, 1999 ]
How-to: More cold air induction [ Mar 20, 2001 ]
How-to: Another cold air induction system [ Mar 20, 2001 ]
How-to: Another cold air induction system [ Jan 29, 2006 ]
How-to: Intake air duct ideas [ Apr 12, 1999 ]
Kamei air intakes [ Jul 30, 1998 ]
ABD air intakes [ Jul 30, 1998 ]
Info: ABD Q-Flo [ Jan 26, 1999 ]
Intake air temperatures with a Midknight Motorsports Air Bath [ Mar 20, 2001 ]
Pics of a Midknight Motorsports Air Bath system [ Jul 20, 2002 ]
Questions + answers re. the Midknight Motorsports Ice Box [ Feb 09, 1999 ]
K&N sealing grease: 5k miles report [ Mar 20, 2001 ]
Dimensions of the P-Flo K&N airfilter [ Feb 02, 1998 ]
How-to: Install a P-Flo into a VR6 [ Feb 23, 2006 ]
K&N alternative: NAPA paper cone filter!, at http://forums.vwvortex.com/
Air filter test [ Feb 09, 2001 ]
Using the Corrado intake manifold on the VR6 in the GTI [ Mar 20, 2001 ]
Porting the throttle body [ Mar 20, 2001 ]
Euro throttle body [ Nov 30, 1997 ]
Need to "re-initiate" the ECM after removing the throttle body? [ Jul 28, 2002 ]
How-to: Doing Throttle Body Alignment after battery disconnect [ Feb 20, 2006 ]
Problem: OBD-II throttle position sensor/servo becoming worn and failing [ Jul 28, 2002 ]
Info: Does bypassing the throttle body's coolant hoses make a difference? [ Feb 22, 2002 ]
How-to: Adjusting throttle cable [ Dec 02, 1998 ]
[[Mk4]] Problem: Off-idle throttle response problem [ Nov 20, 2002 ]
A pic of the PRM intake system (47KB) [ May 11, 1998 ]
Machining the VR6 head? [ Apr 08, 1998 ]
[[Mk4]] Info: New "variable volume" intake on new (1999) VR6 [ Mar 20, 2001 ]
[[Mk4]] Info: The MAF in Mk4 VR6s don't have a "burn-off" period [ Jan 20, 2002 ]
[[Mk4]] Info: VW extends warranty on Mk4 MAF [ Apr 09, 2004 ]
[[Mk4]] Info: Using a 2.0 MAF sensor (cheaper!) in a VR6 [ Jun 11, 2003 ]
How-to: Clean the MAF [ Jul 24, 2003 ]
Info: Info on and pics of the Euro 2.9L intake manifold [ Jul 02, 2000 ]
Secondary Air Injection (SAI) info and troubleshooting [ Mar 25, 2005 ]
Exhaust
New Supersprint exhaust smelling weird [ Mar 20, 2001 ]
Problem: Rotten egg smell from the exhaust [ Mar 20, 2001 ]
Exhaust [ Feb 06, 2001 ]
Info: General exhaust systems info [ Mar 20, 2001 ]
Exhaust sound of various exhausts [ Feb 06, 2001 ]
How-to: Remove headers (down pipe) [ Oct 15, 2003 ]
[[FAQ]] How-to: Chopping off the "suit case" [ May 13, 2003 ]
Info: Weight of the suitcase [ Aug 08, 1998 ]
Impression: Autotech exhaust [ Mar 20, 2001 ]
Impression: New Dimension/Borla VR6 cat back exhaust [ Apr 02, 1999 ]
Impression: Borla exhaust (+ installation tips) [ Mar 01, 2000 ]
Neuspeed exhaust info [ Mar 20, 2001 ]
Genie exhaust [ May 02, 1998 ]
Impression: Jetex exhaust [ Jul 10, 2002 ]
Problem: Jetex exhaust tips not level [ Sep 08, 2003 ]
Info: Installtion and impression of Magnaflow cat-back system on a 95 GTI VR6 [ Jan 20, 2002 ]
Info: Remus exhaust [ Jul 27, 1998 ]
How-to: Installing Supersprint exhaust (and impression) [ Mar 20, 2001 ]
Fitting problem with Supersprint's twin DTM tip [ Jun 24, 2003 ]
Where to buy Supersprint exhaust [ Mar 20, 2001 ]
Info: Techtonics exhaust [ Mar 20, 2001 ]
Techtonics exhaust sound [ Mar 20, 2001 ]
Techtonics exhaust prices [ Mar 20, 2001 ]
Techtonics exhaust install [ Mar 20, 2001 ]
Techtonics exhaust install and dyno results (w/ Schrick VGi, Schrick 268 cams, airbox mods, GIAC AA11C chip) [ Dec 31, 1969 ]
Problem: TT exhaust making noises [ Aug 22, 2001 ]
Impression: Eurosport exhaust [ Mar 20, 2001 ]
Info on BroSpeed exhaust [ Oct 17, 2005 ]
Info: Scorpion exhaust [ Oct 19, 1998 ]
How-to: Replacing stock muffler with a "Cherry Bomb" muffler [ Mar 20, 2001 ]
How much power do you gain w/o the catalytic converter? [ Jun 19, 2003 ]
Why Corrado cat converter is good for GTI VR6's [ Apr 25, 1999 ]
Info: Aftermarket high-flow catalytic converters [ Mar 20, 2001 ]
How-to: Replacing oxygen sensors [ Jul 06, 2005 ]
Info: Using non-hardening Permatex gasket sealer for leaking exhaust pipe joints [ Mar 21, 2001 ]
Info: A source for O2 sensor [ Feb 03, 2002 ]
[[Mk4]] European Car's comparo of 1.8T exhausts (on a 1.8T Jetta, with Neuspeed High-Flow Turbo Intake Pipe and GIAC chip), at http://www.europeancarweb.com/
Cams, valves, manifolds (VSR, Schrick), head gasket, etc.
Cams [ Jul 10, 2002 ]
Info: Dynospot cams [ Jun 17, 2000 ]
Impression: Kent 264 cams [ May 18, 1999 ]
How-to: Lots of photos showing a cam installation in Bob Tillman's (bobt@p-vector.net) car, by Bob and Tom Doblmaier, at http://www.p-vector.com/
[[Mk4]] How-to: Great article with lots of big photos on an A4 VR6 cam install (should apply to A3 VR6 cam installs as well)., at http://tatge.vwmafia.net/
Info: Cam installation [ Jul 10, 2002 ]
A problem installing 268 cams [ Mar 20, 2001 ]
Problem: Ticking valve noise [ Jul 29, 2002 ]
Problem: Timing chain problems [ Mar 20, 2001 ]
Problem: Broken timing chain tensioner [ Dec 14, 2003 ]
How-to: Excellent article on R+R of timing chains, tensioners, and guides (1999.5 Mk4 Jetta GLS 12v VR6), by Gary Thompson, at http://forums.vwvortex.com/
How-to: Bleeding upper timing chain tensioner [ May 15, 2003 ]
How-to: Check cam timing [ May 05, 2003 ]
Info: List of parts for headgasket, timing chains and clutch replacement on 1993 Corrado VR6, at http://www.bethandjames.com/
Head gasket replacement [ Feb 09, 2006 ]
Using Mk4 VR6 head gasket on Mk3 VR6 [ Feb 17, 2006 ]
Info: VR6 head gasket parts and vendors [ Apr 24, 2005 ]
Info: Cost of parts & labor to replace timing chain [ Oct 01, 2002 ]
Do you need to replace lifters when installing Schrick 268 cams? [ Mar 11, 2001 ]
Adjustable cams: why they may make a difference in the VR6 [ Jul 01, 1999 ]
Info: More on cams [ May 25, 1998 ]
Does the VR6 have single or dual valve springs? [ Feb 22, 2002 ]
Info: Can the VR6's valves hit the piston? [ Jan 28, 2004 ]
98 VR6 has dual valve springs [ Mar 20, 2001 ]
Impression: 268 cams + VGi + DSR cams [ Jul 10, 2002 ]
Info: Which valve springs to use with the Schrick 268 cams [ Mar 20, 2001 ]
Info: Accounts of broken valve springs (mostly Techtonics HD valve springs) [ Jun 20, 2002 ]
Info: Comparo between 288 vs. 268 vs. 256 cams (with VGi manifold) [ Feb 03, 2002 ]
Info: Differences between the VSR manifold and the Schrick manifold [ Mar 20, 2001 ]
Info: Schrick 268 Cams and Variable Geometry Intake Install, by Mike Bigus, gtivr6r@chicagonet.net [ Jan 27, 2006 ]
Info: Schrick manifold on OBD II car [ Mar 20, 2001 ]
Schrick manifold with 256 and 268 cams [ Jul 30, 2002 ]
Cooling
VR6 overheating [ Sep 15, 2004 ]
How-to: Install a low-temp fan switch [ Mar 20, 2001 ]
Where is the thermostat housing (and hence the thermostat!)? [ Jan 27, 2003 ]
How-to: Replacing the thermostat housing (and hence how to R+R the thermostat!) [ Nov 18, 2003 ]
Info: It's not possible to put the thermostat in backwards! [ Jan 16, 2006 ]
Radiator fan problem [ Jul 27, 2002 ]
Radiator fan won't run [ Mar 10, 2006 ]
Radiator fan won't stop [ Apr 27, 2003 ]
Why does the radiator move around? [ Mar 20, 2001 ]
Problem: Leaky radiator and where to get replacement radiator [ Jan 15, 2004 ]
[[FAQ]] Blue (G11) or red (G12) engine coolant? [ Apr 04, 2001 ]
[[FAQ]] More on blue (G11) or red (G12) engine coolant? [ Feb 14, 1998 ]
When was G11 (blue) coolant changed to G12 (red) coolant? [ Apr 04, 2001 ]
G12 Plus Coolant Additive [ Nov 30, 2004 ]
Info: Purple coolant??? [ Oct 23, 2003 ]
G11 coolant vs. G48 coolant? [ Oct 03, 1998 ]
Part number for G11 coolant [ Mar 20, 2001 ]
G12 coolant more prone to leaking? [ Jul 07, 1998 ]
Info: Info on Dex-Cool coolant [ Apr 05, 2001 ]
Coolant leaks [ Feb 02, 2006 ]
Coolant leaks at T-pipe [ Aug 10, 2005 ]
How-to: How to find coolant leaks [ Jan 07, 2005 ]
Losing coolant: faulty expansion tank [ Feb 12, 2004 ]
Coolant system under pressure [ Feb 10, 2006 ]
How-to: Flushing coolant [ Feb 24, 2003 ]
Problem: Coolant pump problems [ Mar 05, 2003 ]
How-to: Ian Frechette's detailed guide to replacing the main coolant pump [ May 07, 2003 ]
How-to: Replacing main coolant pump on a 1999.5 Mk4 Jetta GLS 12v VR6, by Gary Thompson, lots of pics, at http://forums.vwvortex.com/
How-to: Replacing main coolant pump on a 1994 12v VR6, lots of pics, at http://forums.vwvortex.com/
How-to: Changing coolant pump on a 94 Jetta GLX, at http://www.corrado-club.com/
Electric auxiliary coolant pump fails! [ Jun 05, 2000 ]
Info: Electric auxiliary coolant pump: when does it fail and how much does it cost? [ Mar 20, 2001 ]
What does your electric auxiliary coolant pump sound like when it's about to fail? [ Aug 04, 2002 ]
How-to: Replacing electric auxiliary coolant pump [ Mar 20, 2001 ]
Info: Evans Cooling System coolant [ Mar 20, 2001 ]
Problem: Bad coolant reservoir cap [ Mar 20, 2001 ]
Engine mounts, transmission mounts
The "Whipple Motor Mount" and what to do with it [ Mar 20, 2001 ]
Where to get the Whipple front motor "mount" [ Oct 08, 2001 ]
How-to: Installing the Whipple motor mount [ Mar 20, 2001 ]
How-to: Installing the Whipple motor mount, at http://spoi.com/
Using washers when installing the Whipple mount [ Mar 20, 2001 ]
Problem installing Whipple front motor "mount" [ Mar 20, 2001 ]
Whipple mount problem: mount bolt broken [ Mar 20, 2001 ]
Whipple mount impressions and concerns [ Mar 20, 2001 ]
Impression: New Dimensions motor mounts [ Mar 20, 2001 ]
How-to: Checking for bad motor mounts [ Dec 04, 2002 ]
Problem: Broken front motor mount [ Feb 10, 2006 ]
How-to: Replace the front motor mount [ Oct 01, 2002 ]
Problem: Broken right rear motor mount ("engine mount") [ Dec 04, 2002 ]
How-to: Replace the rear passenger side motor mount ("engine mount"), at http://www.turn2usa.com/
How-to: Replace rear driver's side engine mount ("transmission mount") [ Nov 04, 2005 ]
Dyno Results, Tests, Etc.
A lot of dyno charts of VR6's with varying mods, at http://vr6dyno.cjb.net/
Mike Bigus' comparative dyno runs with the stock chip, the P-Chip, and the Garrett chip (normal and Beta) [ Jan 24, 2006 ]
Dyno Run Results and Associated Mods [ Nov 23, 1997 ]
Dyno results from an Extrude Honed BMW 6-cylinder engine [ Jan 24, 2006 ]
More dyno results [ May 26, 1999 ]
Even more dyno results: Dallas Dyno Day July 1998 (on Phillip Meadows' Web site), at http://rampages.onramp.net/
Info: Roll-on tests result: stock chip vs. G chip + Euro throttle body [ Apr 05, 2006 ]
Quartermile times [ May 30, 1998 ]
Dyno results with Schrick manifold [ Mar 20, 2001 ]
Dyno result w/ Schrick 276 cams and Genie headers [ Mar 20, 2001 ]
Dyno results: with VGI manifold [ Aug 22, 2001 ]
Some dyno numbers from A+WE [ Dec 15, 1999 ]
1998 3.1l VR6 w/ 288 cams, CCH big valve head, Supersprint headers and exhaust, GIAC v11.c [ Jun 28, 2003 ]
Turbos, Superchargers, NOx, etc.
EIP Turbo [ Jul 27, 1998 ]
Info on the New Dimension/Rimmer Engineering Eaton-based supercharger kit [ Apr 18, 2001 ]
Info: Rimmer supercharger [ Mar 20, 2001 ]
Info: Vortech supercharger [ Mar 20, 2001 ]
Info: VR6 supercharger by Nik Saran Racing [ Mar 20, 2001 ]
Info: Z Engineering supercharger kit [ Feb 22, 2002 ]
How-to: Install Z Engineering supercharger [ Feb 19, 2006 ]
Info: Z Engineering supercharger death (& life) [ Mar 22, 2001 ]
Info: Z Engineering supercharger: problem with pulleys and belt etc. [ Sep 26, 2002 ]
Info: VF Engineering supercharger installation info [ Mar 25, 2003 ]
How-to: Installing the VF supercharger, at http://www.pocketrocket.ca/
Info: Feedback on the VF Engineering supercharger [ Oct 22, 2003 ]
Info on the SuperPac supercharger [ Mar 20, 2001 ]
Impression: A review of the AMS supercharger and other info [ Feb 22, 2002 ]
Eurotech and AMS "Vortech supercharger theft" saga [ Mar 20, 2001 ]
Eurotech vs. AMS vs. Z Engineering superchargers [ Feb 22, 2002 ]
Info: Info on the VR6 supercharger mailing list [ Mar 20, 2001 ]
Info: Positive displacement vs. centrifugal superchargers [ Aug 22, 2001 ]
Info: NOx [ Apr 18, 2001 ]
[[Mk4]] Info: 2001.5 and later 1.8T engines have a K03/K04 "hybrid" turbocharger [ Jun 21, 2002 ]
Which turbo (k03, K04 etc.) for the VR6? [ Jan 15, 2003 ]
Miscellaneous, Engine/Fuel System
How-to: Replacing the serpentine belt [ Nov 28, 2005 ]
Problem: Tensioner pulley and/or serpentine belt squeaking: problem, replacement source, and a fix [ Mar 08, 2003 ]
How-to: Removing a VR6 serpentine belt tensioner and greasing serpentine belt pulley (1999.5 Mk4 Jetta GLS 12v VR6), by Gary Thompson, lots of pics, at http://forums.vwvortex.com/
How-to: Replacing coolant pump on a 1994 12v VR6 and greasing serpentine belt pulley, lots of pics, at http://forums.vwvortex.com/
How-to: Replacing serpentine belt tensioner pulley [ Dec 14, 2005 ]
Info: When to replace the belt tensioner? [ Dec 14, 2005 ]
Info on underdrive pulleys [ Feb 12, 2003 ]
Is the crank pulley a "harmonic balancer"? [ Feb 12, 2003 ]
How-to: Installing underdrive pulleys [ Mar 20, 2001 ]
3.0L conversion [ Jan 29, 1998 ]
Piston size for 3.0 VR6 [ Mar 20, 2001 ]
Info: Forged vs. cast pistons [ Mar 20, 2001 ]
VR6 head corrosion [ Apr 21, 1998 ]
VR6 Technical Manual! [ Feb 07, 2001 ]
Info: European Car Nov 1991 article on the VR6 engine [ Jan 24, 2006 ]
VW Tools Source [ Jun 05, 2000 ]
Problem: VR6 rough start-up idle [ Mar 20, 2001 ]
Problem: 97 rough idle [ Dec 15, 1999 ]
97 rough idle, with possible fix [ Mar 20, 2001 ]
Problem: 97: on start-up idle RPM drops then engine stalls; runs fine on re-start [ Sep 15, 2003 ]
98 rough idle: possible fix [ Mar 20, 2001 ]
98 rough idle when cold [ Mar 20, 2001 ]
[[FAQ]] Problem: Cold start problem [ Sep 30, 1998 ]
Problem: 98 cold start problem [ Dec 22, 1998 ]
Problem: Engine stumbling [ Oct 03, 1998 ]
Problem: 95 stalling [ Dec 20, 1998 ]
[[FAQ]] Problem: Warm start problem (95 GTI VR6, but applicable to others) [ Mar 20, 2001 ]
Another warm-starting problem: [ Oct 03, 1998 ]
One fix for a faulty EGR valve [ Mar 20, 2001 ]
What material is the fuel tank made of, plastic or metal? [ Mar 20, 2001 ]
Poor fuel economy [ Mar 20, 2001 ]
How-to: Very detailed intsructions on adding locking fuel door [ Feb 03, 2002 ]
How-to: Installing "Speedpass" sensor on gas cap (by Stewart Dean) [ Jun 04, 2000 ]
[[FAQ]] Fuel gauge not reading full after fill-up [ Mar 20, 2001 ]
How-to: Fixing fuel level sensor [ Sep 10, 2002 ]
How-to: How to remove and replace fuel filter [ Aug 06, 2002 ]
How-to: How to remove and replace fuel filter, with pics, at http://home.nyc.rr.com/
Info: Lightened flywheel [ Dec 04, 2001 ]
95 GTI VR6 stumbles! [ Oct 03, 1998 ]
Loose or missing gas cap causes "check engine" light [ Nov 11, 1998 ]
Info: Location of PCV valve and EVAP purge regulator valve [ Nov 26, 2006 ]
PCV (Positive Crankcase Ventilation) valve leaking [ Mar 05, 1999 ]
A design change of the PCV valve [ Oct 31, 1998 ]
How-to: Using an air compressor filter as the PCV oil "catch can", at http://forums.vwvortex.com/
Info: OBD II leak detection pump [ Mar 20, 2001 ]
Work items involved removing the crank with the engine in the car [ Mar 20, 2001 ]
How-to: Hone a cylinder bore [ Mar 24, 2001 ]
Cut-away view of VR6 24-valve valve train, from vwvortex.com [ Apr 20, 2001 ]
Info: Debugging starter problems [ Jul 25, 2002 ]
How-to: Replace starter [ Apr 18, 2002 ]
Info: Where is the VR6's engine identification number? [ Aug 31, 2002 ]
How-to: VR6 leak-down and compression testing, and some compression numbers [ Nov 05, 2002 ]

Old Library

Engine/Fuel System

Oil, etc.

Chips

Engine electronics and management, spark plugs, ignition, etc.

Air management, airbox, etc.

Exhaust

Cams, valves, manifolds (VSR, Schrick), head gasket, etc.

Cooling

Engine mounts, transmission mounts

Dyno Results, Tests, Etc.

Turbos, Superchargers, NOx, etc.

Miscellaneous, Engine/Fuel System