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Home >> Volkswagen >> 1997 >> Cabrio Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Exhaust System, Emission Controls - 1.9L 4-CYL. 2V TDI - AAZ, 1Z, AHU (A3 Platform)) >> Exhaust System, Emission Controls >> Exhaust system components, servicing >> Front exhaust pipe and oxidation catalytic converter, component layout (engine codes 1Z, AHU)

Front exhaust pipe and oxidation catalytic converter, component layout (engine codes 1Z, AHU)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1999 Volkswagen Jetta, 1998 Volkswagen Jetta, 1997 Volkswagen Passat, 1997 Volkswagen Jetta, and 1996 Volkswagen Passat. However, it is still accessible from the selected car via links, so may be relevant.

The following list pertains to Fig 1 .

  1. From turbocharger 
  2. Flange gasket 
    • Always replace
  3. 25 Nm (18 ft lb) 
  4. Exhaust pipe, front 
  5. Temperature sensor I for catalyst -G20- 
    • Engine code 1Z only
    • 30 Nm (22 ft lb)
  6. Temperature sensor II for catalyst -G132- 
    • Engine code 1Z only
    • 30 Nm (22 ft lb)
  7. Oxidation Catalytic converter (OC) 
  8. To intermediate tube 
  9. Mounting bracket 
Fig 1: Identifying Front Exhaust Pipe And Oxidation Catalytic Converter, Components (Engine Codes 1Z, AHU)
G03364939