It is also important to clean the area where the half moon sets. Mine had some buildup that required Brake Cleaner to remove it.

The cam adjuster uses oil pressure to function. The large hole in the flat gasket is where the oil passes from the head to the adjuster. On the adjuster inlet, there is a small screen that sometimes falls out. This is rare, but it does happen occasionally. When the adjuster is placed back onto the head, be sure it sits correctly (flat) on the new gasket.

4Driver4

"Never give up the throttle until the bitter end." -RC

1990 Coupe Q
1999 A6 Sedan Q 2.8
2000 A4 Avant Q 2.8
1995 Mazda Miata: the anti-Audi
1999 Chevy Suburban: the anti-earth :-(
1990 Nissan Pickup: Snow plow/garbage hauler