Section 03-01A: Engine, 4.9L SFI
1996 F-150, F-250, F-350 (4x2), F-150, F-250 (4x4) Workshop Manual
IN-VEHICLE SERVICE

Crankshaft Pulley and Front Seal

SPECIAL SERVICE TOOL(S) REQUIRED
DescriptionTool Number
Front Cover Seal RemoverT70P-6B070-B
Crankshaft Seal Replacer/Cover AlignerT88T-6701-A

Removal

  1.  CAUTION: Release drive belt tensioner (6B209) slowly or damage to the drive belt tensioner may occur.

    Remove the drive belt (8620) from the engine (6007).

  1. Remove the bolts attaching the fan shroud (8146) to the radiator.

  1. Remove the fan shroud. Remove the fan and fan clutch (8A616) from the water pump shaft.

  1. Remove the crankshaft pulley (6312) attaching screw and washer. Install the puller on the crankshaft pulley and remove the crankshaft pulley.

  1. Place the Front Cover Seal Remover T70P-6B070-B onto the engine front cover (6019) over the crankshaft front seal (6700). Tighten the two through-bolts to force the Front Cover Seal Remover T70P-6B070-B under the seal flange.

  1. Alternately tighten the four puller bolts one-half turn at a time. Pull the crankshaft front seal from the engine front cover.

Installation

  1. Coat a new crankshaft front seal with clean engine oil or 50 weight oil only. Place the sleeve and crankshaft front seal onto the end of the crankshaft and push it toward the engine until the crankshaft front seal starts into the engine front cover.

  1. Place the installation screw, washer, nut and Crankshaft Seal Replacer/Cover Aligner T88T-6701-A onto the end of the crankshaft (6303). Thread the screw into the crankshaft. Tighten the nut against the washer and installation sleeve to force the crankshaft front seal into the engine front cover. Remove the installation tool from the crankshaft.

  1. Apply clean engine oil or 50 weight oil only. DO NOT use grease on the crankshaft front seal rubbing surface of the crankshaft pulley inner hub to prevent damage to the crankshaft front seal.

    Apply a 6mm (1/4-inch) bead of silicone rubber to inside of keyway of crankshaft pulley hub. Install within five minutes.

  1. Line up the crankshaft pulley keyway with the key on the crankshaft. Install the crankshaft pulley on crankshaft. Install the capscrew and washer. Tighten the screw to 177-203 Nm (130-150 lb-ft).

  1. Install the drive belt.

  1. Position the fan shroud over the water pump. Install the fan and fan clutch. Install the fan shroud attaching screws.