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Installation is performed in the reverse sequence. Note the following: z Tightening torques. See EXHAUST MANIFOLD, FRONT EXHAUST PIPE AND CATALYTIC { Erase fault memory. See ENGINE CONTROL MODULE FAULT MEMORY, SECONDARY AIR SYSTEM FUNCTION z The secondary air system blows air in behind the exhaust valve for a maximum of 100 seconds after the z Activation occurs from Motronic Engine Control Module (ECM) -J220- via the Secondary Air Injection z If the secondary air pump motor is activated it produces an overpressure and opens the combination valve z Additionally after each subsequent engine start (up to max. 96 °C engine temperature) the secondary air SECONDARY AIR SYSTEM COMPONENTS, REMOVING AND INSTALLING Engine codes AEG up to Model Year 1999, 05.99 z Engine codes: AEG as of Model Year 1999, 06.99, AVH, AZG, BEV. See ENGINE CODES: AEG AS z Engine codes BDC, BGD. See ENGINE CODES: BDC, BGD . z Replace all seals/gaskets and self-locking nuts. WARNING: When performing repair work, especially due to the confined conditions z Route all types of lines (e.g. for fuel, hydraulics, EVAP system, z Ensure sufficient clearance to all moving or hot components. NOTE: The following list refers to items in Fig. 12 .
2003 Volkswagen New Beetle GLS 1998-2004 ENGINE Exhaust System, Emission Controls - 2.0L New Beetle (AEG, AVH, AZG, BDC, BEV & BGD)
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