Ford Workshop Service and Repair Manuals

Valve Clearance: Adjustments

*** UPDATED BY TSB # 85-24-20

V6-179 ENGINE

1.

Position cams so that tappets are in the base circle area on cylinder to be adjusted.

2.

Loosen adjusting screws until a distinct lash between roller arm pad and valve tip end can be noticed. Tappet plunger should now be fully
extended.

3.

Screw in adjustment screws until roller arms slightly touch valves.

4.

Screw in adjustment screw an additional 1-{1/2} turns (equivalent to .070 inch plunger travel into lifter) to achieve normal operating position.

Valve Arrangement

Front to Rear

V6-171 Right Bank.................................................................................................................................................................................................I-E-I-E-E-I
V6-171 Left Bank....................................................................................................................................................................................................I-E-E-I-E-I
V6-177 Right Bank.................................................................................................................................................................................................E-I-E-I-E-I
V6-177 Left Bank....................................................................................................................................................................................................I-E-I-E-I-E
V6-183, 232 Left Bank............................................................................................................................................................................................I-E-I-E-I-E
V6-183, 232 Right Bank.........................................................................................................................................................................................E-I-E-I-E-I
V6-232 Right...........................................................................................................................................................................................................I-E-I-E-I-E
V6-232 Left.............................................................................................................................................................................................................E-I-E-I-E-I