Remove
- 1. Remove sheathed glow plugs
- 2. Raise vehicle all the way
- 3. Remove engine compartment cover or right engine splash guard
- 4. Set crankshaft to "1st cylinder TDC" following direction of engine rotation • The markings (1) must align
Note. The cams of cylinder no.1 must face upward - cam position can be checked through the oil filler port. If cylinder no.1 cams are not facing upward, turn the crankshaft one revolution to "Cylinder no.1 TDC".
- 5. Affix guide marking to torsional vibration damper • Guide marking must be exactly 180° across from TDC marking
- 6. Lower vehicle all the way
- 7. Unscrew oil filling nozzle cover
Important. Carefully and slowly open coolant compensation tank cover. Risk of burning!
- 8. Unscrew coolant compensation tank cover
- 9. Withdraw oil dipstick
Measure
- 10. Calibrate pressure loss measuring device
Note. Follow manufacturer's instructions
- 11. Attach pressure loss tester to no.1 cylinder • Use KM-6367
- 12. Engage 4th gear; apply handbrake
- 13. Check 1st cylinder pressure loss • Max. pressure difference between individual cylinders - approx. 10 % • Pressure loss per cylinder should not exceed 25 % • Check the following for air discharge to locate any damage: – Intake ports – Exhaust system – Coolant compensation tank, dipstick guide tube – Oil filler port – Glow plug thread bores
- 14. Switch adapter and pressure loss tester to no. 3 cylinder
- 15. Repeat pressure loss test for 3rd, 4th and 2nd cylinder
Note. Continue rotating crankshaft by 180° to positioning mark or TDC mark
Install
- 16. Close coolant compensation tank cover
- 17. Fit oil filler port closure cap
- 18. Install oil dipstick
- 19. Raise vehicle all the way
- 20. Remove engine compartment cover or right engine splash guard
- 21. Lower vehicle all the way
- 22. Fit sheathed glow plug