On engines AGP, AQM, AYQ
1. Remove the upper part of the intake manifold.
For all engines
2. Connect the measuring device to the injection pump (arrow) (pic. 7.19).
3. Remove glow plugs with spanner 3220.
4. Screw the adapter VAG 1381/12 into the hole for the glow plug (pic. 7.20). Check compression with a VAG 1763 compression gauge.
New engine compression: 25-31 bar. allowable wear: 19 bar.
Permissible difference between cylinders: 5 bar.
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