R 10 P/U 2WD L6-292 4.8L (1988)
Camshaft Gear/Sprocket: Service and Repair
Fig. 23 Camshaft gear removal
When necessary to install a new camshaft gear, the camshaft will have to be removed as the gear is a pressed fit on the shaft. The camshaft is held in
position by a thrust plate which is fastened to the crankcase by two capscrews which are accessible through two holes in the gear web.
Use an arbor press to remove the gear and when doing so, a suitable sleeve, Fig. 23, should be employed to support the gear properly on its steel hub.
If old thrust plate is to be used, position it so the key won't cause damage during removal.
Fig. 24 Checking camshaft endplay
Before installing a new gear, assemble the key, then the spacer with it's chamfered end facing the journal radius. Lubricate the thrust plate, and install
it to the shaft. Press the gear on until it bottoms against the spacer. The correct camshaft to thrust plate clearance is .003 inch to .008 inch Fig. 24.
The crankshaft gear can be removed by utilizing the two tapped holes in conjunction with a gear puller.
