Volkswagen Workshop Service and Repair Manuals

• Combi-valve
• ◆ Checking
• ◆ To renew, remove warm air collector plate
• Secondary air pump relay (J299)
• ◆ In protective housing for relays (engine compartment) => Fig.1
• O-ring
• ◆ Renew
• Pressure hose
• ◆ Check seated securely
• ◆ Press together at front to release

• Intake hose
• ◆ From air cleaner - upper part
• ◆ For secondary air pump
• ◆ Check seated securely
• ◆ Press together at front to release
• Secondary air pump motor (V101)
• 10 Nm
• Bracket
• ◆ For secondary air pump motor
• ◆ Fitted on intake manifold lower part
• Connector
• ◆ 2-pin
• 25 Nm
• Intake manifold lower part
• To union on exhaust manifold

• 40 Nm
• Connecting pipe
• Nuts/bolts, 60 Nm
• warm air collector plate
• ◆ With mounting for combi-valve
• Seal
• ◆ Renew

→ Fig.1     Position of relays in protective housing (on left in engine compartment)

•      1 -     Secondary air pump relay (J299),
  Distinguishing features: Control number 100

Notes:

• ◆ The relay locations may differ depending on level of equipment.
  For latest control numbers and fitting locations:

=> Current flow diagrams, Electrical fault finding and Fitting locations

• ◆ Disconnect battery earth strap first if tools are required to pull relays or control units out of the relay plate.
• ◆ Before disconnecting battery earth strap obtain code for radios with anti-theft coding.