Engine - Revised Cylinder Head Cover
MAY 1986 001 0521981 1/2-1986 AMC/JEEP WITH 4.2L (258 cu. in.) ENGINE
46E
ENGINES Attention: Workshop, Parts Department
4.2 LITER REVISED CYLINDER HEAD COVER
A new cylinder head cover kit PN 8983 503 343 has been released for service use on 19811/2 to 1986 AMC/JEEP vehicles equipped with a 4.2L (258 cu.in.) engine.
1981 1/2-1983 vehicles will require that the cylinder head be drilled and tapped for a 1/4" x 20 threaded insert. Obtain locally a Helicoil, Time-Sert or equivalent threaded insert kit.
NOTE: 1981 1/2 models can be identified by having cylinder head cover retaining screws located at the front and rear of the cylinder head.
The new cylinder head cover comes equipped with a pre-cured RTV seal and is secured to the cylinder head with special shoulder bolts, and unique retaining nuts.
Follow the procedure included in the cylinder head cover kit.
PARTS INFORMATION
DESCRIPTION QUANTITY PART NUMBER
Kit, Cylinder Head Cover 1 8983 503 343
Contents:
Cover, Cylinder Head 1
Bolt, Shoulder 4
Bolt, Shoulder, Short 1
Bolt, 7/16 2
Bolt, Stud-1/2 1
Bridge 2
Nut, Retainer 4
Helicoil 1/4 x 20 3
Installation Sheet 1
SRT/TIC INFORMATION
OPERATION DESCRIPTION NUMBER TIME TIC
Co. Kit, Cylinder Head Cover-Install
1981 1/2-1983 models 0117 1.7 hrs. 1 - 141
1983-1986 models 0113 1.3 hrs. 1 - 141
FILING INSTRUCTIONS
Record this I.S. Note in M.R. 251 page B-133, M.R. 252 page B-125, M.R. 253 page B-59 and file it in M.R. 171.