Swirl chambers, replacing: Replacing
WARNING: This page is about a different car, the 1999 Volkswagen Jetta, 1998 Volkswagen Jetta, 1997 Volkswagen Jetta, 1996 Volkswagen Passat, and 1996 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
- Cylinder head removed
- Remove all fuel injectors.
Engine code AAZ
See FUEL INJECTORS, REMOVING AND INSTALLING
Engine codes 1Z, AHU
See FUEL INJECTORS, REMOVING AND INSTALLING
- Remove glow plugs.
Engine codes 1Z, AHU: use 3220 hinged socket
- Drive swirl chamber out of cylinder head using suitable drift inserted through fuel injector opening.
CAUTION:
Protect threads in fuel injector opening from damage.
- Clean swirl chamber contact surface in cylinder head to remove combustion deposits.
- Place new swirl chamber in position and drive in using soft-faced hammer.
Installation position is determined by groove and guide tabs
- Measure projection of swirl chamber.
Specified value: 0.07 mm (0.0028 in.) maximum
If swirl chamber projects more than specified value:
- Replace cylinder head.