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My 1990 Jetta GLI
Driveline

Mods to My Driveline Include;

  • Quaife Six Speed Gearkit
  • Quaife ATB Differential
  • AUTOTECH Lightweight Flywheel (10 lbs.)
  • Sachs Power Clutch
  • VW Corrado Based Hydraulic Clutch Lines
  • VW Corrado Based Cable Shifter Linkage
  • VW Corrado Pedal Assembly

 

065.jpg

To install the Quaife gearkit, many components had to be changed.  My original transmission was the VW 02Y, a close ratio, 5 speed transmission.  The 6 speed kit does not fit into this gearbox so I purchased a VW Corrado gearbox, VW 02A.

6speedkit.jpg
This gear kit comes as a box of gears.

q02asixsyn.jpg
Quaife 6 speed gearkit (exploded view)

For assembly of the 6 speed, I relied on my cousin's skill and knowledge.(http://webpages.charter.net/geoffvr6/)        
 
Who knows how it would have turned out if I would had built it. 
 
A scoop near 5th gear was grinded down on the gearbox so everything would fit correctly.  He also had to drill out rivots on the stock differential to get the gear off.
 
 

gcmod.jpg
Gearcase mod.

rivots.jpg
Drilling rivots

Many other areas of my driveline had to be changed as well.  My Jetta came stock with the following, which had to be replaced:
  • Cable clutch
  • Rod style shifter linkage
  • 210mm clutch and flywheel
  • Jetta Dash (because of the mechanical speedometer)
  • Jetta pedal assembly
  • Jetta starter

 

shifter.jpg
Top: Stock. rod style linkage. Bottom:Stock clutch cable

oldclutchandflywheel.jpg
Stock clutch and flywheel (210 mm)

The items I used to replace the stock parts that wouldn't work are:
  • Corrado hydraulic clutch lines and clutch master cylinder
  • Corrado cable shift linkage
  • AUTOTECH lightweight flywheel (228 mm)
  • Sachs power clutch (228 mm)
  • Corrado dash (because of the electronic speedometer)
  • Corrado pedal assembly
  • Corrado starter

cable.jpg
Corrado cable shift linkage

master.jpg
Corrado clutch master cylinder and hydraulic lines

18twclutch.jpg
AUTOTECH lightweight flywheel and Sachs Power Clutch (catalog picture)

sachs.jpg
Sach Power Clutch

                                                                           
The stock G60 Corrado flywheel weighs in at 22 lbs.  AUTOTECH's only weighs 10!

pedals.jpg
Corrado pedal assembly

pvw16.jpg
6 speed gear kit partially assembled.

I also added a Quaife ATB differential for better traction, and a little personal enjoyment!

diff01.gif
Quaife ATB differential

For more of the technical information on the Quaife 6 speed gearkit, or the Quaife ATB differential, click on either of the following links.

autotechsporttuning.gif

Engine Mods

Driveline

Body Mods

Wheels, Suspension, and Brakes

Interior and Stereo

Oopsies

Treffen 2003

Volksport Fall Run 2002

Autocrossing

Links

Funny Page

Guestbook