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Home >> Ford >> 1996 >> Aerostar Van Window >> Repair and Diagnosis >> External Pages >> Different car >> Section 140 (Engine - 4.9L 6-CYL - VIN [Y]) >> Overhaul >> Cylinder Head >> Valve Springs

Valve Springs

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1996 Ford Pickup, 1996 Ford Econoline, 1996 Ford Club Wagon, 1996 Ford Cab & Chassis, and 1995 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
  1. Measure valve spring installed height from surface of cylinder head spring pad to underside of spring retainer. Refer to VALVES & VALVE SPRINGS  table under ENGINE SPECIFICATIONS. If installed height is not within specification, a .03" (.8 mm) shim can be installed between cylinder head and valve spring to obtain correct height.
  2. Inspect valve spring free length and pressure. Replace valve spring if free length and pressure are not within specification. See VALVES & VALVE SPRINGS  table.
CAUTION: DO NOT install valve spring spacers unless necessary. Using more spacers than required can result in spring breakage or worn camshaft lobes.