F 250 4WD Pickup V8-6.9L DSL (1983)
Rocker Arm Assembly: Technical Service Bulletins
Diesel Engine - New Valve Rocker Arm Assembly
VALVE ROCKER ARM ASSEMBLY - 6.9L DIESEL -
Article No.
NEW DESIGN FEATURES AND SERVICE TIPS
87-16-18
LIGHT TRUCK:
1983-87 E SERIES, F SERIES
ISSUE:
A new design valve rocker arm assembly replaces the old style, two (2) steel valve rocker arms and one (1) aluminum rocker arm post design.
This new valve rocker arm assembly is used on 1987 E Series vehicles built with an engine serial number of 360221 or later and 1987 F
Series vehicles built with an engine serial number of 368822 or later. The new valve rocker arm assembly may be used to service ALL prior
6.9L diesel engines.
Figure 9
ACTION:
If rocker arm replacement is required, refer to the following assembly and installation service procedures. Refer to Figure 9 for contents of
valve rocker arm assemblies.
Figure 10
Assembly Procedure