Yukon 4WD V8-6.5L DSL Turbo VIN S (1997)
Starter Motor: Description and Operation
28-MT Starter Motor
General
The 28-MT is a gear reduction starter. An internal gear at the gear-reduction end of the driveshaft is driven by the armature shaft gear at a speed of one
driveshaft revolution for each 3.9 revolutions of the armature.
The starter has an over-running roller-type clutch and an enclosed shift lever. The solenoid is sealed to prevent entry of foreign material.
Identification
28-MT Starter Motor
The part number is stamped on a label and attached to the field frame.