Beetle L4-1.9L DSL Turbo (ALH) (1998)
EGR Valve: Diagrams
Exhaust Gas Recirculation (EGR) system, overview
Note:
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The function/control of the Exhaust Gas Recirculation (EGR) system is managed by the Diesel Direct Fuel Injection (DFI) Engine Control
Module (ECM) -J248- via the EGR Vacuum Regulator solenoid valve -N18-.
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The cone shaped plunger in the mechanical EGR valve ensures that various cross sectional openings are possible at different plunger heights.
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Every possible valve position is provided via pulsed control.
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Replace self-locking nuts.
Exhaust Gas Recirculation (EGR) system components, removing and installing
1. Intake manifold
2. O-ring
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Replace
3. Throttle valve
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With EGR valve and control flap
4. Exhaust Gas Recirculation (EGR) valve
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Component of intake support
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Can only be replaced with intake support assembly
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Checking, Refer to Exhaust Gas Recirculation (EGR) System, Testing and Inspection
5. 10 Nm (7 ft. lbs.)
6. from Air Cleaner
7. Gasket
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Replace
8. 25 Nm (18 ft. lbs.)
9. Connecting pipe
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EGR cooler to intake support
10. Connecting pipe
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EGR cooler to exhaust elbow
11. Exhaust manifold
12. 25 Nm (18 ft. lbs.)