3-20. CAMSHAFT, CAMSHAFT GEAR, AND CAMSHAFT BUSHING REPLACEMENT
This Task Covers:
Tools and Special Tools
Fuel transfer pump removed
Shop Equipment, Automotive Maintenance,
Common No. 2 Less Power
Engine removed (Para 3-3)
(Item 17, Appendix D)
Front housing cover removed (Para 3-21)
Dial Indicator (Item 3, Appendix D)
Rocker lever arms removed (Para 3-18)
Inside Micrometers (Item 12, Appendix D)
Cloth, Crocus (Item 8, Appendix B)
Universal Bushing Installation Tool
Gloves, Insulated (Item 17, Appendix B)
Lubriplate (Item 23, Appendix B)
If new tappets were installed, the
camshaft and camshaft bushing(s)
must be replaced.
Turn crankshaft to align timing
marks on camshaft gear (1) with
timing marks on crankshaft gear (2).
When measuring camshaft gear
backlash, hold the camshaft gear
and the crankshaft gear to avoid
getting a false backlash reading.
Measure camshaft gear (2) backlash
using a dial indicator as shown.
Record measured backlash for reference.