Engine code ALH

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Fig 1: Exploded View Of Identifying Exhaust Gas Recirculation System Components (ALH)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Intake manifold

2 - O-ring

Always replace

3 - Intake manifold

With EGR valve and regulator flap

4 - EGR Vacuum Regulator Solenoid Valve

Component of intake manifold
Can only be replaced as complete unit with intake manifold
Checking. Refer to Exhaust Gas Recirculation (EGR) valve, checking
Check activation. Refer to 01 ON BOARD DIAGNOSTIC (OBD) from M.Y. 99-01 or 01 ON BOARD DIAGNOSTIC (OBD) from M.Y. 2002 and on

5 - 10 Nm

6 - From charge air cooler

7 - Gasket

Always replace

8 - 25 Nm

9 - Exhaust manifold

10 - Connecting pipe