- Check that the outer diameter of the valve guides to be fitted corresponds to the recommended figures.
Subject
Value
.
VALVE GUIDES
mm
-
Outer diameter
10.028 - 10.039
Subject
Value
.
CYLINDER HEAD VALVE GUIDES (ALL)
mm
-
Outer diameter oversize
0.05
-
Outer diameter oversize
0.10
-
Outer diameter oversize
0.25
- Check that the interference between the seat and the valve guide corresponds to the recommended figures; if this is not the case, ream the seat until the correct interference is obtained using oversize valve guides.
Subject
Value
.
VALVE GUIDES
mm
-
Head-valve guide interference
0.028 - 0.059
- The cylinder head must be heated before fitting new valve guides.1. Fit the new valve guides (1a) using the tools (1b).
Description
Code
Function
1b
Drift
1.860.994.000
Extracting/fitting valve guides
Engines: 2.3 JTD 16V
- If the valve guides are slightly distorted whilst fitting, ream the inner surface using a suitable size reamer.
Subject
Value
.
VALVE GUIDES
mm
-
Inner diameter
6.023 - 6.038
- Check that the clearance between the valve and the valve guide corresponds to the recommended value.
- Check that the outer diameter of the valve guides to be fitted corresponds to the recommended figures.
Subject
Value
.
Cylinder head valve guides (all)
mm
-
Outer diameter
13,012 - 13,025
Subject
Value
.
Cylinder head valve guides (all)
mm
-
Outer diameter oversize
0,05
-
Outer diameter oversize
0,10
-
Outer diameter oversize
0,20
- Check that the interference between the seat and the valve guide corresponds to the recommended figures; if this is not the case, ream the seat until the correct interference is obtained using oversize valve guides.
Subject
Value
.
Cylinder head valve guides (all)
mm
-
Head-valve guide interference
0,027 - 0,075
1. Fit the new valve guides (1a) using the tool (1b) and the drift (1c).