GM Metro/Sprint 1985-1993 Repair Guide

Adjustments

Print

PICK-UP COIL AIR GAP ADJUSTMENT



See Figure 1



Click image to see an enlarged view

Fig. Fig. 1: Measuring pole piece (pick-up coil) air gap

  1. Remove the distributor cap and rotor.
  2.  
  3. Using a nonmagnetic thickness gauge, measure the air gap between the pole piece tooth and pick-up coil.
  4.  
  5. Air gap should be 0.009-0.015 in. (0.2-0.4 mm). If the gap is out of specification, adjust it.
  6.  
  7. Remove the module and loosen the screws securing pick-up coil. Using a screw driver, move the generator pick-up coil and adjust the gap to specification.
  8.  
  9. After adjustment tighten screws and recheck gap. Install module, rotor and distributor cap.
  10.  

 
label.common.footer.alt.autozoneLogo