G 3500 1 Ton Van V8-454 7.4L (1989)
Fig. 11 Diagnosis Chart (Part 3 of 3)
When diagnosing Delco-Remy starter motors, refer to Fig. 11.
There is no provision for adjusting pinion clearance on this type motor, but should be checked after motor reassembly on all models except the 28 MT,
which is not serviceable. When the shift lever mechanism is correctly assembled, the pinion clearance should fall within the limits of .010 to .140 inch on
1987 models and .010-.160 inch on 1988-91 models. When the clearance is not within these limits, it may indicate excessive wear of the solenoid linkage
or shift lever yoke buttons.
Fig. 13 Connections For Checking Pinion Clearance
Fig. 14 Checking Pinion Clearance
Pinion clearance should be checked as follows: