Ranger 2WD V6-245 4.0L (1990)
Camshaft: Service and Repair
REMOVAL AND INSTALLATION
1. Disconnect battery ground cable, then drain engine oil and cooling system.
2. Remove radiator, fan, spacer, drive belt and crankshaft damper.
3. Disconnect ignition wires from spark plugs.
4. Disconnect ignition coil and bracket assembly.
5. Remove clamp, bolt and oil pump drive from rear of engine block.
6. Remove alternator, then disconnect fuel lines.
7. Remove upper and lower intake manifolds as an assembly.
8. Remove rocker arm covers and rocker arm shafts.
9. Remove pushrods in order so they can be installed in their original positions.
NOTE: Cylinder heads must be removed to remove the roller tappets.
10. Remove roller tappets, then the oil pan.
11. Remove engine front cover and water pump as an assembly.
Fig. 6 Valve Timing Marks
12. Push timing chain tensioner into retracted position, then install retaining clip.
13. Remove camshaft sprocket attaching bolt, then the sprocket from camshaft.
