4.4 Checking piston projection at TDC
Special tools and workshop equipment required
â—† Measuring bridge -VW 382/7-
â—† End dimension plate -VW 385/17-
Not illustrated:
â—† Dial gauge
Test procedure
Piston projection at TDC must be measured when installing
new pistons or a short engine. Install the appropriate cylinder
head gasket depending upon piston projection, according to fol-
lowing table:
Note
â—† Turn engine clockwise to measure piston projection at TDC.
â—† If different values are determined during the projection
measurement, use the largest dimension for selecting the
gasket.
Piston projection Identification
Holes/notches
0.91 mm … 1.00 mm 1
1.01 mm … 1.10 mm 2
1.11 mm … 1.20 mm 3
Industriemotoren - Industrial Engines 2009 ▶
Workshop Manual for Diesel Engine (2.0 l/36-75 kW_EA 189) 05.2015
3
4 Dismantling and assembling pistons and conrods
187
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