Dwell Angle Check And Visual Check Of Pick-Up Coil Assembly
- Visually check trigger wheel and pick-up assembly for damage. Also check air gap between trigger wheel and pick-up coil. See Figure .
- If damaged or if air gap is not to specifications, repair or replace distributor.
- Check dwell angle, and compare it with specifications. If not within specifications, repeat PICK-UP COIL RESISTANCE CHECK , PICK-UP COIL SHORT CHECK , and VISUAL CHECKS . If okay, then replace control module.
DWELL ANGLE & AIR GAP SPECIFICATIONS
| Application | Dwell Angle @ RPM | Air Gap In. (mm) |
|---|---|---|
| BMW | 32-53° @ 1500 | .014-.028 (.36-.72) |