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Home >> Volkswagen >> 2001 >> Jetta GL, 2.0 B >> Repair and Diagnosis >> External Pages >> Different car >> Section 35 (1.9L TDI Engine Mechanical - AAZ, 1Z, AHU (A3 Platform)) >> Engine - Cylinder Head, VALVETRAIN >> Valve train, servicing >> Valve seats, refacing >> Engine codes 1Z, AHU >> Refacing intake valve seat

Refacing intake valve seat

WARNING: This page is about a different car, the 1999 Volkswagen Jetta, 1998 Volkswagen Jetta, 1997 Volkswagen Jetta, 1996 Volkswagen Passat, and 1996 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.

-a- = 35.7 mm (1.406 in.) diameter (see Fig 1)

-b- = 1.6 mm (0.063 in.)

45° = Valve seat angle

NOTE: The 30° valve seat chamfer is necessary to ensure that intake channel flow characteristics are maintained.
Fig 1: Identifying Intake Valve Seat Dimensions (Engine Codes 1Z, AHU)
G03364896
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