Secondary Air Injection (AIR) pump, removing and installing

Removing 

Fig 1: Pulling Rear Engine Cover Off

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Pull rear engine cover off - arrows  -.

Fig 2: Removing Bolts & Air Ducts

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• Remove bolts - arrows  -.
• Remove air duct - 1  - and - 2  -.
• Disconnect vacuum hose - 2  - from air guide hose.
• Remove hose clamps - 1  - and - 3  - and lay air guide hose aside.

Fig 3: Identifying Mass Air Flow (MAF) Sensor G70 Electrical Harness Connector, Secondary Air Injection (Air) Pump Hose, Vacuum Lines & Air Guide Hose

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• Disconnect electrical harness connector - 4  - at Mass Air Flow (MAF) Sensor G70.
• Disconnect hose - 5  - to Secondary Air Injection (AIR) pump.
• Pull off vacuum lines - 1  - and - 6  -.
• Disconnect air guide hose - 3  - at Mass Air Flow (MAF) sensor.

• Move wiring harness clear at air filter housing.
• Remove bolts - arrows  - and remove upper part of air filter housing.
• Remove clip - 2  - and remove lower part of air filter housing.

Fig 4: Disconnecting Electrical Connector & Removing Secondary Air Injection Pump Downward

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Remove hose - 4  - to combination valves on secondary air injection pump by pressing release buttons
• Remove bolts - arrows  - at secondary air injection pump bracket with Intake Air Switch-Over valve N335 bracket.
• Remove right wheel housing liner in forward area →
  • 66 EXTERIOR EQUIPMENT
  • 66 - EXTERIOR EQUIPMENT for BODY EXTERIOR - CABRIOLET
  .
• Remove hose - 2  - to upper part of air filter housing at secondary air injection pump - 1  - by pressing release buttons.

• Release electrical wiring harness bracket - 3  -.

Fig 5: Removing Quick-Release Fasteners, Screws And Noise Insulation

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• Remove quick-release fasteners - 1  - , remove screws - 2  - and remove noise insulation.

Fig 6: Disconnecting Electrical Connector & Removing Secondary Air Injection Pump Downward

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Disconnect electrical connector - 5  -.
• Remove secondary air injection pump downward.

Fig 7: Releasing Fastener And Removing Electrical Connector From Bracket, Nuts & Secondary Air Injection Pump From Bracket

Courtesy of VOLKSWAGEN UNITED STATES, INC.

• Release fastener - 3  - and remove electrical connector - 2  - from bracket.
• Remove nuts - arrows  - and remove secondary air injection pump - 1  - from bracket - 4  -.

Installing 

Installation is in reverse order of removal, note the following:

• Install right wheel housing liner →
  • 66 EXTERIOR EQUIPMENT
  • 66 - EXTERIOR EQUIPMENT for BODY EXTERIOR - CABRIOLET
  .

Torque specifications