Ford 1997 Aerostar Workshop Manual page 25

1997 Aerostar/Ranger
You must check rocker arm to valve tip clearance if a cam, lifters, push rods, rocker arms, rocker arm
fulcrums or valves are replaced, or valves are ground.
12. Install valve covers as outlined in this section.
13. Install exhaust manifolds as outlined in this section. Tighten retaining bolts to 20-30 Nm (15-22 lb/ft).
Install inlet pipe retaining nuts, tighten to 39-42 Nm (30-32 lb/ft).
14. Apply Cup Plug Sealer meeting Ford specification ESE-M4621-A or equivalent to cylinder block.
Install oil level indicator tube into cylinder block. Oil level indicator tube must bottom out as illustrated.
Tighten oil level indicator tube retaining nut at exhaust manifold stud bolt to 16-20 Nm (12-14 lb/ft).
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2011-04-27