Chevrolet Workshop Manuals
C 30 1 Ton Pickup 2WD V8-454 7.4L VIN W 4-bbl (1983)
Relays and Modules > Relays and Modules - Powertrain Management > Relays and Modules - Ignition System > Ignition Control Module > Component Information > Technical Service Bulletins > Page 99
If necessary, realign pole piece to provide adequate clearance and secure properly.
Install pickup coil shield, if equipped, then install washer and distributor shaft.
Install tanged washer, shim and drive gear (teeth up) to bottom of shaft. Align drive gear and install new roll pin.
HALL EFFECT SWITCH, REPLACE
Disconnect battery ground cable, then remove distributor cap and rotor.
Remove switch retaining screws.
Disconnect electrical connector while pulling switch away from distributor.
Reverse procedure to install. After switch is installed, carefully rotate distributor shaft and check for interference with pole piece. If pole piece
|[PREV PAGE] [NEXT PAGE]|