Section 03-01D: Engine, Diesel, 7.3L
1996 F-Series Workshop Manual
REMOVAL AND INSTALLATION

Valve Spring, Valve Spring Retainer and Valve Stem Seal

SPECIAL SERVICE TOOL(S) REQUIRED
DescriptionTool Number
Valve Spring CompressorT94T-6513-A4

Removal

  1. Remove the valve cover. Refer to Rocker Arm Cover, Rocker Arm and Push Rod, Left or Right, in the Removal and Installation portion of this section.

  1. Remove the two rocker arm bolts (6A527) and the intake rocker arm (6564) or exhaust rocker arm.

  1. Remove the push rod (6565).

  1. Disconnect the glow plug electrical connector.

  1. Bar the engine over until the piston of the cylinder to be serviced is at TDC.

  1. Install Valve Spring Compressor T94T-6513-AH.

  1. NOTE: It may be necessary to strike the valve stem end with a plastic-tipped hammer to loosen the valve spring retainer keys (6518).

    Remove Valve Spring Compressor T94T-6513-AH. Remove the valve spring retainer keys, rotator and the valve spring (6513).

  1. Remove the valve stem seal (6571).

Installation

  1. Install the valve stem seal.

  1. Install the valve spring and rotator.

  1. Install Valve Spring Compressor T94T-6513-AH.

  1. Compress the valve spring and install the valve spring retainer keys using Valve Spring Compressor T94T-6513-AH.

    ItemPart NumberDescription
    16513Valve Spring
    26571Valve Stem Seal
    36514Valve Spring Rotator
    46518Valve Spring Retainer Key
    5—Valve Guide (Part of 6049)
    66518Valve Spring Retainer Key
    76514Valve Spring Rotator
    86571Valve Stem Seal
    96513Valve Spring
    10—Valve Guide Bore (Part of 6049)

  1. Remove Valve Spring Compressor T94T-6513-AH.

  1. Lubricate the push rod ends with engine oil and install the push rod (copper end up).

  1.  CAUTION: Failure to follow the next step of this procedure could result in bent valves, causing severe engine damage.

    Rotate the engine until the mark on the crankshaft vibration damper (6316) is at 11 o'clock to prevent valve damage when installing the rocker arm assemblies.

  1. Install the intake rocker arm or exhaust rocker arm and two rocker arm bolts. Tighten rocker arm bolts evenly to 27 Nm (20 lb-ft).

  1. Install the valve cover. Refer to Rocker Arm Cover, Rocker Arm and Push Rod, Left or Right, in the Removal and Installation portion of this section.