Distributor — disassembly, inspection and assembly (Opel Ascona C)

Engine 1.3

1. Remove the distributor from the engine (see previous section).

2. Unscrew the 2 mounting screws and remove the rotor.

3. Disconnect the 2 electrical plugs from the ignition module (one on each side of the module).



4. Remove the 2 screws securing the module (see photo), and remove it from the distributor.



5. Remove the two screws securing the vacuum regulator (see photo), disconnect the rod and remove the regulator.





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6. The design of the distributor in question does not allow further disassembly. The rotor, vacuum regulator, ignition module and distributor cap can be replaced individually, but if inspection reveals that any of the parts remaining on the distributor also need repair or replacement, the entire distributor will have to be replaced.

7. Inspect the distributor cap for electrode corrosion and tracking marks (thin black lines between the electrodes). Check that the "coal" in the center of the lid can move freely and protrude from the holder. Replace the cover if necessary.

8. If the metal part of the rotor is badly burnt or has fallen off, replace the rotor. A slightly burnt rotor can be cleaned with a fine file.

9. Suck air out of the end of the vacuum tube and check that the rod is drawn in. Stop sucking air and check that the draft returns to its original position. If the draft does not respond to vacuum, replace the vacuum regulator.





10. Inspect the distributor housing and shaft for excessive lateral play of the shaft in its bushings. Check that the centrifugal regulator weights can move freely and return to their place under the action of the springs. Check the fastening of all parts on the distributor shaft and inspect the protrusion on the drive coupling for wear.



11. The distributor is assembled in the reverse order. Before installing the rotor, apply a few drops of engine oil to the centrifugal governor weight pins. If you are going to install a new ignition module, it should come with silicone grease. This grease should be applied between the module and its housing to improve heat dissipation.

12. Install the assembled distributor in place (see section 17).

Models with 1.6L and 1.8L engines

13. Remove the distributor (see section 17).



14. Remove the slider and detach the flash protection screen.

15. Although the top support plate can in principle be removed after its mounting screws have been unscrewed, this operation is of purely academic interest, since there are no parts underneath that require adjustment, and there are no spare parts for these parts either.

16. If necessary, the vacuum regulator can be removed separately. Remove 2 mounting screws and detach the rod from the support plate (see photos). Note that the screws are different lengths - the longer screw also secures one of the distributor cap clamps.







17. Check the operation of the vacuum regulator (see paragraph 9).

18. Inspect the distributor cap and rotor (see paragraphs 7 and 8).

19. The distributor is assembled in the reverse order. Check that the vacuum regulator rod is properly connected to the pin on the support plate (it may take several attempts to connect the rod).

20. Install the assembled distributor in place (see section 17).