Combination valve, removing and installing: Removing

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2002 Volkswagen Jetta, 2002 Volkswagen GTI, 2001 Volkswagen Jetta, 2001 Volkswagen GTI, and 2000 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

The battery ground strap must eventually be disconnected in the further course of work. Check whether the vehicle has a coded radio system. It may be necessary to disable the theft-deterrent feature by entering the appropriate code.

With ignition off, disconnect battery.
Remove sound insulation: Refer to NOISE INSULATION (GASOLINE ENGINES), ASSEMBLY OVERVIEW or NOISE INSULATION (DIESEL ENGINES), ASSEMBLY OVERVIEW
Put lock carrier into service position: Refer to LOCK CARRIER SERVICE POSITION

Vehicles with air conditioning

Remove poly V-belt, refer to Ribbed V-belt, removing and installing .
Remove air conditioning compressor: Refer to A/C COMPRESSOR AND BRACKET
Remove refrigerant line retention strap(s).

CAUTION: The A/C refrigerant circuit must not be opened!

NOTE:

The refrigerant circuit may only be opened in workshops which have both the trained personnel and the proper tools and equipment.
To prevent damage to the condenser and the refrigerant lines/hoses, be careful that the lines and hoses are not overextended, creased, or bent.

Continued for all vehicles

Remove discharge hose on combination valve between combination valve and air pump.
Remove vacuum hose on combination valve.
Remove combination valve from bottom of intake manifold and pull it out along with connection nozzles.