The later alternators 1993? and up do not use the retaining plate with the 3 screw but instead the bearing is held in by staking the aluminium. On these alternators a puller has to be used with extreme care so as not to crack the front housing.

How to Repair & Rebuild your Alternator by Lars Grimsrud SVE Automotive Restoration Musclecar, Collector & Exotic Auto Repair & Restoration Broomfield, CO This tech paper will discuss the disassembly, diagnostics, and repair of GM Delco alternators used after 1971, and specifically discuss the alternators used from 1971 to 1988. Alternators used after 1988 are […]