Alternative Repair Procedures
Page9K-l8
Base
Engine Components
DODGE
Turbo Diesel
If the valve guide bores are larger than the worn
limit,
the cylinder head must be machined for
service
valve guides.
New valve guides must be reamed to
size
after
they are installed.
Note:
if the cylinder head needs
sen/ice
valve guides and valve seat
inserts,
the valve guides should be installed
first.
Valve Guides
• Intake (Thick wall)
• Exhaust (Thick wall)
• Intake and Exhaust (Thin wail)
Service
Valve Guides - Thin
Wall
Machine the cylinder head valve guide
bores
to Dimension A.
A=
11.125
+
0.013mm
[.4380
+
.0005]
in diameter
Service
valve guides must be centered
with
vaive
seats
within
0.35mm
[01378
inch] diameter and are to be square
with
the
combustion face
within
0.10mm
[.0004
inch] at
50.0mm
[1.9685
inch] radius.
the valve guides as illustrated.
Lubricate
with
oil and
press
the guides flush to the
bottom
of the
bosses.
12.00 ±
0.75mm
[.4724
+ .0295 inch] reference
Trim off
flush
to top of guide
bosses
if
necessary.
8.029
±
0.010mm
[.3161
±
.0004
inch]
Note:
The valve guide bore must be centered
with
the valve
seat
within
0.35mm
[0.0138
inch] diameter and must be square
with
the combustion face
within
.010mm
[0.004
inch] at
50.0mm
[2.0 inch] radius.
Service
Valve
Guides
- Thick
Wail
Machine the cylinder head valve guide
bores
to Dimension A.
A
«
14.000
±
0.013mm
[0.5512
+ .0005 inch] diameter
Valve guides must be centered
with
valve
seats
within
0.35mm
[.01378
inch] diameter and must be square
with
the
combustion face
within
0.10mm
[.0004
Inch] at
50.0mm
[1.9685
inch] radius.
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