Making mainseals seal

Lots of flywheel seals get replaced and still leak. The primary reason is that the f/w has a groove worn in the seal hub, this being much more of a problem with wbx’s than it was with older VW boxers because they tend to be left in the vehicle for two or three...

On the wbx flywheel seal

A fellow attempting to repair a flywheel seal leak on a recently rebuilt engine had the seal pop out of the case, and he wondered why. A helpful participant posted this: . Are you recessing the seal on the seal bore or is it flush with the case? Also, there are two...

AFM testing with video

This 2nd time around is a good one. I know this one has helped loads of people definitively diagnose the problem with their Bosch Airflow meter (AFM) , and many of them have been able to repair theirs instead of shelling out a few Benjys for a reconditioned one. Like...

Why good electrical grounding matters.

This 2nd Time Around is a recent one, that involved cross-referencing two concurrent threads. Since as a general matter good grounding has great importance to keeping any electronically-controlled car running right, I thought it worth putting here:   A forum...

EEC (aka “the charcoal canister”)

The Evaporative Emissions Control system (EEC), what most folks call “the charcoal canister” is one of the simplest and nearly-universal emissions control systems, that is there for several clear-cut purposes.┬áThis system has been mandated on every US...