| Volkswagen Engine >> HEAD GASKET CAUTION ON 1992-97 1.9L VIN Z DIESEL |
Head Gasket Caution On
1992-97 Volkswagen 1.9L VIN Z Diesel Engines
The AERA Technical Committee offers the following information on head gasket caution on 1992-97 Volkswagen 1.9L VIN Z diesel engines. These turbocharged engines use one of the three different thickness gaskets available for each of the engines, TD or TDI. The correct gasket to be used depends upon the amount of piston protrusion measured before installation.
Measuring piston protrusion requires mounting a dial indicator to the block top and bringing each piston to TDC (top dead center). This measurement should be made directly above the piston pin. Observe and record the amount each piston extends above the top of the block deck. Use the highest value measured to select the correct cylinder head gasket to be used. The three different gaskets can be identified by the number of notches located on the
head gasket next to the part number.
Engine Part Number Notches Piston Protrusion
TD 028 103 383 BH 1 .036-.039 (.914-.990 mm)
TD 028 103 383 BJ 2 .040-.043 (1.106-1.092 mm)
TD 028 103 383 BK 3 .044-.047 (1.117-1.193 mm)
TDI 028 103 383 BL 1 .036-.039 (.914-.990 mm)
TDI 028 103 383 BM 2 .040-.043 (1.106-1.092 mm)
TDI 028 103 383 BN 3 .044-.047 (1.117-1.193 mm)
AERA is currently unaware of an aftermarket supplier for the above mentioned head gaskets.
The AERA Technical Committee
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