Exhaust Gas Recirculation (EGR) system, servicing (engine code AHU): Notes
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 .
- EGR valve
- Checking, see EGR VALVE, CHECKING
- Checking triggering, see EXHAUST GAS RECIRCULATION (EGR) AND MASS AIR FLOW (MAF) SENSOR FUNCTIONS, CHECKING
- Intake manifold
- 25 Nm (18 ft lb)
- Connecting pipe NOTE: When installing, tighten all bolts finger tight (parts free to move slightly) then tighten free of stress.
- Gasket
- Always replace
- EGR cooler
- 10 Nm (7 ft lb)
- To heater core
- From cylinder head
- Exhaust manifold
- To overflow reservoir
- Flange gasket
- Always replace
- From charge air cooler