Valve Body Assembly: Disassembly

Remove screws attaching transfer plate to main valve body. See Fig 1 . Lift transfer plate and separator plate from main valve body. Remove main valve body check balls from passages in valve body. See Fig 2 .

Fig 1: Removing Valve Body Assembly

Fig 2: Main Valve Body Check Ball Locations
Courtesy of VOLKSWAGEN UNITED STATES, INC.

CAUTION: Do not alter settings of adjusting screws. Adjusting screws change pressures and must be adjusted on a test stand. See Figure .
Remove rear end cover plate and withdraw valves, springs, and adjusting screws. Remove remaining end plates one at a time and withdraw all valves, plugs, springs and adjusting screws. Tag all parts for reassembly reference or use Holding Tray (2008) to hold parts. This tray holds springs and valves in correct order and location.