Secondary Air Injection Combination Valves, Removing and Installing

Removing 

Fig 1: Identifying Exhaust Pipe Fasteners

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• For vehicles with auxiliary heater, remove bolts - arrows  - for exhaust pipe of parking heater/auxiliary heater on noise insulation.

Fig 2: Noise Insulation Quick-Release Fasteners

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• Loosen quick-release fasteners - 1  - and remove front noise insulation.

Fig 3: Secondary Air Injection Pump Air Guide Hose

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• Remove air guide hose from secondary air injection pump - arrow  -.

Fig 4: Vacuum Hoses, Bolts, Air Guide Hoses & Secondary Air Injection (AIR) Combi-Valve

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• Remove vacuum hoses - 2  - and - 3  -.
• Remove bolts - 1  - and - 6  - and remove connecting piece.
• Remove air guide hoses - 4  - and - 5  -.
• Remove affected Secondary Air Injection (AIR) combi-valve.

Installing 

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

Tightening specifications