Ford 1997 Aerostar Workshop Manual page 156

1997 Aerostar/Ranger
21. Rotate engine so camshaft is in Position A, as shown, with camshaft sprocket timing mark and
crankshaft sprocket timing mark at top center.
22. NOTE: Lubricate eachpush rod,rocker arm, and rocker arm fulcrum with Engine Assembly
Lubricant D9AZ-19579-D or equivalent meeting Ford specification ESR-M99C80-A before
installing.
Install push rod, rocker arm, rocker arm fulcrum, and rocker arm bolt for valves:
Cylinder No. 1 Intake
Cylinder No. 2 Exhaust
Cylinder No. 4 Intake
Cylinder No. 5 Exhaust
Tighten rocker arm bolts (6A527) to 11 Nm (8 lb-ft).
23. For valves in above step, check rocker arm-to-valve clearance. Clearance should be 2.15-4.69mm
(0.084-0.184 in.).
Camshaft Position A — Rocker Arm, Push Rod, and Fulcrum Installation
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2011-04-27