Updated: 18-Jan-17

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Transmission Specifications

Click here for complete transmission specifications for all Cabriolets.



Transmission Code

The transmission code can be found on the bottom of the transmission bell-housing and is broken down as such:




020 Manual Transmission

Maintenance, Repair Guides & Troubleshooting

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General Information

There's a big hole on top, what's it for?  That is the timing hole; it is where you access the timing marks on the flywheel in order to check and set the engine/ignition timing.


Shifter/shift knob thread size: 12mmx1.50


Clutch in at red lights? Keeping the clutch pedal pressed in at red lights is not necessarily a bad thing, but it puts more wear and tear on the throw-out bearing.


Using the transmission to hold the car while stopped on a hill?  Don't do it, unless you can afford to replace the clutch at regular intervals.  Please use your brakes when stopped on a hill.



010 Automatic Transmission

Repair Guides & Troubleshooting

010 factory ignition starter Technical Service Bulletin (PDF)

010 factory troubleshooting manual (PDF)

VWvortex


General Information

Shifter/shift knob set screw: 2.5mm Allen



Transmission Fluid

020 Manual Transmission

OEM fluid: SAE 80W hypoid oil; API service GL-4; Mil-L-2105


Recommended by other VW owners:


Not recommended:


GL-4 vs. GL-5: According to a transmission rebuilder, when GL-5 synthetic gear oils were first introduced (back in the air-cooled VW days), they contained high amounts of reactive sulfur harmful to yellow metals, such as the brass components in early VW transmissions.  Volkswagen then began moly-coating their transmission synchros in the late '60s/early '70s; when moly-coated, reactive sulfur cannot harm the rings. So, theoretically, and according to the expert, modern GL-5 gear oils (now which most contain no or low reactive sulfur) should be fine to use in your Cabriolet.  However, with GL-4 oils still being produced (albeit not readily locally available these days), it's wise to stick with the fluid type Volkswagen originally recommended.


Capacity: 2.0 L / 2.1 quarts



010 Automatic Transmission

Transmission ATF

Dexron or Dexron II


Capacity: 3.0 L (refill); 6.1 L (dry fill)


Final Drive Gear Oil

SAE 90W hypoid oil, API service GL-5, Mil-L-2105B


Capacity: 0.75 L



Speedometer Drive Gears

Red Speedometer Gear

No. of teeth: 15

Final drive ratios: 3.65 and 3.67

VW part #171957821B


White Speedometer Gear

No. of teeth: 16

Final drive ratios: 3.89 and 3.94

VW part #171957821A


Green Speedometer Gear

No. of teeth: 17

Final drive ratios: 4.25

VW part #171957821C


Drive gears are sold separately from the speedometer cables.


Drive gear securing ring part number: N 900 154 01


What if the speedometer cable gear has fallen into the transmission?  Do your best to get it out.  A lot of folks have never had issues with roving speedo gears, while others have needed repair work due to the gear (or parts of it) getting jammed into transmission components.  Don't become a victim of the latter.



Clutch

Stiff Clutch Pedal

If the clutch pedal is difficult to press, replace the clutch cable (don't bother trying to adjust it; it's a $16 part... buy it, install it, adjust it to specs and drive happily ever after). While you're at it, inspect the clutch cable carrier tube at the firewall (this tube can fail if the cable is not adjusted at regular intervals and/or if a stiff cable is allowed to saw through its protective sheath).  If the tube is found to be broken, it'll need to be repaired.


Clutch Pedal Went to the Floor


Clutch Freeplay Specifications

Clutch lever freeplay: 6mm (1/4")

Clutch cable freeplay at adjusting disc: 12mm (1/2")

Transmission & Clutch


General Info






Troubleshooting






DIY Guides & Tips


Manual Trans:

Auto Trans: