Page 264
REPAIR INSTRUCTIONS
Valve Cover and Spacer Installation
[213 JB]
GENERAL INFORMATION
The valve cover (and spacer, if equipped with an
engine brake) requires a strip-type seal valve
cover gasket, 51 inches (130 cm) in length.
Sealing compounds are not necessary.
Early-production engines (before October 1998)
were built with non-isolating cover-mounting
hardware. Valve covers for this mounting
arrangement had cutouts at three corners of the
cover flange. October 1998 and later-production
engines are built with isolating-type valve cover
mounting hardware to reduce noise. The valve
covers on these later-production engines have
only one cutout in the flange.
INSTALLATION
Refer back to Figure 292.
Installation procedures for the spacer and valve
cover seal are identical.
1. Install a seal strip (2) in the seal grooves (3)
of the spacers.
a.
Thoroughly clean the gasket contact
surface.
b.
Install one end of the spacer gasket
into the seal groove (inboard side)
approximately 1/4 inch (6.4 mm) from
the end of the groove.
c.
Guide the seal strip into the groove
around the circumference of the
spacer. Complete the installation with
an overlap at the starting point,
approximately 1/4 inch (6.4 mm) from
the end of the groove.
292
Figure 292 — Gasket Installation
2. Position the spacers on the cylinder heads.
3. Connect the actuator wire to the actuator.
4. Install a seal strip in the valve cover seal
groove of the valve covers.
a.
Thoroughly clean the gasket contact
surface.
b.
Install one end of the valve cover
gasket into the seal groove (inboard
side) approximately 1/4 inch (6.4 mm)
from the end of the groove.
c.
Guide the seal strip into the groove
around the circumference of the valve
cover. Complete the installation with an
overlap at the starting point,
approximately 1/4 inch (6.4 mm) from
the end of the groove.
1. Valve Cover
2. Seal Strip
3. Seal Groove
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