1.2 TDI CR engine (EA189) · Crankshaft group · Pistons and conrods
Measuring piston projection at “TDC”
Special tools and workshop equipment required
- Measuring bridge -VW 382/7- from measuring tool - VW 382-
- Measuring plate -VW 385/17- from universal measuring tool - VW 385-
- Dial gauge - VAS 6079-
Procedure
- Secure dial gauge - VAS 6079- with measuring bridge - VW 382/7- and measuring plate -VW 385/17- to cylinder block as shown in the illustration.
- Measure the projection of each piston at the two points marked with -arrows- (at the rear side and front side of the piston seen in the longitudinal direction of the engine).
- Install the appropriate cylinder head gasket depending upon piston projection, according to following table:
| Piston projection over upper edge of cylinder block mm | Identification (No. of holes) |
|---|---|
| 0.91 … 1.00 | 1 |
| 1.01 … 1.10 | 2 |
| 1.11 … 1.20 | 3 |
Cylinder head gasket identification
- 1 Part number
- 2 Holes
- 3 Ignore