6-28. SYNCHRONOUS AND TIMING REFERENCE SENSOR - Continued
Tighten the two allen bolts securing the SRS/TRS bracket to the engine front end plate.
Push gently on the end of the TRS so that the timing tool is in direct contact with the TRS and
the raised metal teeth of the pulse wheel.
Tighten the sensor retaining clip socket head screw. If this adjustment has been done
correctly, the resulting air gap between the pulse wheel teeth and the end of the sensor will be
.020" (± .002") (.508 ± .051 mm).
Loosen and remove the injector crab hold-down bolt. Remove the injector crab.
Remove the timing tool.
Install electronic control unit (see para 5-28).
Install rocker cover (see para 4-140).