volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Checking combi-valve > < Function
4-Cyl. injection engine (cross-flow cylinder head), Mechanics
Secondary air system
Removing and installing parts of the secondary air system
 
N26-0311

Notes:

  • ◆ Components marked with an * are checked by the self-diagnosis:

=> Repair Group 01; Self diagnosis; Interrogating and erasing fault memory

  • ◆ Components marked with ** are checked by the final control diagnosis:

=> Repair Group 01; Self diagnosis; Final control diagnosis

  • ◆ Secondary air pump relay (J299)** =>Page 26-18 , Fig.1
  • Combi-valve
  • Vacuum hose
    • ◆ Only engine code ATU
  • Connector
    • ◆ 2-pin
    • ◆ Only engine code ATU
 
N26-0311
  • Secondary air inlet valve (N112)*/**
    • ◆ Only engine code ATU
  • Vacuum hose
    • ◆ Only engine code ATU
  • To connection on pipe to brake servo
    • ◆ Only engine code ATU
  • O-ring
    • ◆ Renew
  • Pressure hose
    • ◆ Ensure seated tightly
    • ◆ Press together at front to release
  • 20 Nm
  • Bracket
    • ◆ For secondary air pump motor
  • Connector
    • ◆ 2-pin
  • 8 Nm
 
N26-0311
  • Secondary air pump motor (V101)**
  • To air cleaner
  • Intake hose
    • ◆ For secondary air pump
  • Intake manifold - lower part
  • To union on exhaust manifold
  • 35 Nm
  • Pipe
  • 10 Nm
  • Gasket
    • ◆ Renew
  • Bracket
  • 25 Nm
 
N26-0318

→ Fig.1     Secondary air pump relay (J299) -arrow-

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

Checking combi-valve > < Function