Honda Odyssey 2004. Manual — part 51
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04
05
06
Camshaft-to-Holder Oil Clearance
Standard (New):
0.050
0.089 mm
(0.0020
0.0035 in.)
Service Limit:
0.15 mm (0.006 in.)
6-44
Cylinder Head
Camshaft Inspection (cont’d)
7. Wipe the camshaft clean, then inspect the lift
ramps. Replace the camshaft if any lobes are pitted,
scored, or excessively worn.
8. Measure the diameter of each camshaft journal.
9. Zero the gauge to the journal diameter.
10. Clean the camshaft bearing surfaces in the cylinder
head. Measure the inside diameter of each
camshaft bearing surface, and check for an out-of-
round condition.
• If the camshaft-to-holder clearance is within
limits, go to step 12.
• If the camshaft-to-holder clearance is beyond the
service limit and the camshaft has been replaced,
replace the cylinder head.
• If the camshaft-to-holder clearance is beyond the
service limit and the camshaft has not been
replaced, go to step 11.
03/07/29 09:11:48 61S0X050_060_0044
07
02
01
←
←
←
←
Camshaft Total Runout
Standard (New):
0.03 mm (0.001 in.) max.
Service Limit:
0.04 mm (0.002 in.)
Cam Lobe Height Standard (New):
1999-2001 models:
2002-2004 models:
6-45
REAR BANK
FRONT BANK
SEC
PRI
EX
IN
EX
T/B
SEC PRI
EX
IN
EX
T/B
REAR BANK
FRONT BANK
PRI MID SEC
EX
IN
EX
T/B
SEC MID PRI
EX
IN
EX
T/B
11. Check total runout with the camshaft supported on
V-blocks.
• If the total runout of the camshaft is within the
service limit, replace the cylinder head.
• If the total runout is beyond the service limit,
replace the camshaft and recheck the oil
clearance. If the oil clearance is still out of
tolerance, replace the cylinder head.
12. Measure cam lobe height.
INTAKE
EXHAUST
1999-
2001
models:
PRI
35.832 mm
(1.4107 in.)
35.763 mm
(1.4080 in.)
SEC
31.066 mm
(1.2231 in.)
2002-
2004
models:
PRI
34.737 mm
(1.3676 in.)
36.326 mm
(1.4302 in.)
MID
36.445 mm
(1.4348 in.)
SEC
34.919 mm
(1.3748 in.)
PRI : Primary
MID : Mid
SEC : Secondary
T/B : Timing Belt
Rotate camshaft
while measuring
03/07/29 09:11:49 61S0X050_060_0045
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S0X4A00A14680200000KAAT00
Special Tools Required
6-46
Cylinder Head
Valve, Spring, and Valve Seal Removal
B
A
07757-PJ1010A
A
• Valve spring compressor attachment
07757-PJ1010A
• Valve spring compressor
KD383 with No. 32 jaws, or CF811, commercially
available
• Valve guide seal remover
KD3350, commercially available
Identify the valves and valve springs as they are
removed so that each item can be reinstalled in its
original position.
1. Remove the cylinder head (see page 6-34).
2. Using an appropriate-sized socket (A) and plastic
mallet (B), lightly tap the valve retainer to loosen
the valve keepers.
3. Install the valve spring compressor. Compress the
spring and remove the valve keepers.
4. Remove the valve and valve spring.
5. Install the valve guide seal remover (A).
6. Remove the valve seal.
03/07/29 09:11:50 61S0X050_060_0046
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*01
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S0X4A00A14680200000MAAT00
1999-2001 models
2002-2004 models
Intake Valve Dimensions
A Standard (New):
33.90
34.10 mm
(1.335
1.343 in.)
B Standard (New):
114.85
115.15 mm
(4.522
4.533 in.)
C Standard (New):
5.485
5.495 mm
(0.2159
0.2163 in.)
C Service Limit:
5.455 mm (0.2148 in.)
D Standard (New):
0.85
1.15 mm
(0.033
0.045 in.)
D Service Limit:
0.65 mm (0.026 in.)
Exhaust Valve Dimensions
A Standard (New):
28.90
29.10 mm
(1.138
1.146 in.)
B Standard (New):
112.85
113.15 mm
(4.443
4.455 in.)
C Standard (New):
5.450
5.460 mm
(0.2146
0.2150 in.)
C Service Limit:
5.420 mm (0.2134 in.)
D Standard (New):
1.05
1.35 mm
(0.041
0.053 in.)
D Service Limit:
0.95 mm (0.037 in.)
Intake Valve Dimensions
A Standard (New):
34.90
35.10 mm
(1.374
1.382 in.)
B Standard (New):
115.70
116.30 mm
(4.555
4.579 in.)
C Standard (New):
5.485
5.495 mm
(0.2159
0.2163 in.)
C Service Limit:
5.455 mm (0.2148 in.)
Exhaust Valve Dimensions
A Standard (New):
29.90
30.10 mm
(1.177
1.185 in.)
B Standard (New):
113.90
114.50 mm
(4.484
4.508 in.)
C Standard (New):
5.450
5.460 mm
(0.2146
0.2150 in.)
C Service Limit:
5.420 mm (0.2134 in.)
6-47
Valve Inspection
B
C
D
A
C
B
A
1. Remove the valves (see page 6-46).
2. Measure the valve in these areas.
1. Remove the valves (see page 6-46).
2. Measure the valve in these areas.
03/07/29 09:11:50 61S0X050_060_0047
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