Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Hall Effect Sensor: Service and Repair



Hall generator, replacing





Note: when replacing Hall generator, use repair kit which consists of the following parts:
Hall generator
Circlips
Washers
Pins





Fig. 1 Aperture rotor, removing/installing

- To avoid bending rotor when prying off, insert screwdrivers through two opposing slots until they contact circlip
- Check that aperture rotor turns freely after installation by turning distributor shaft
If aperture rotor is bent, it must be replaced

Aperture rotor identification:
4 gaps;
Marking: 046