Honda 2004 Odyssey, Service Manual

Page: 628 / 2459

Symptom Probable cause(s) Notes
14-15
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Excessive shock,
or flares on 2-3
upshift or 3-2
downshift 1.
2.
3.
4.
5.
6.
7.
8.
9.
Shift solenoid valve C
defective
3rd clutch pressure
switch or circuit defective
Foreign material in
separator plate orifice
Shift valve C defective
2nd accumulator
defective
3rd accumulator
defective
2nd check ball stuck
2nd clutch defective
3rd clutch defective Check the D4 indicator, and check for loose connectors.
Inspect the O-rings, and check the shift solenoid valve
for seizure.
Check the 2nd and 3rd clutch pressures.
Inspect the clutch piston, clutch piston check valve, and
O-rings. Check the spring retainer for wear and damage.
Inspect the clutch-end-plate-to-top-disc clearance. If the
clearance is out of tolerance, inspect the clutch discs
and plates for wear and damage. If the discs and plates
are worn or damaged, replace them as a set. If they are
OK, adjust the clutch end plate clearance.
Excessive shock,
or flares on 3-4
upshift or 4-3
downshift 1.
2.
3.
4.
5.
6.
7.
Shift solenoid valve C
defective
Foreign material in
separator plate orifice
Shift valve C defective
3rd accumulator
defective
4th accumulator
defective
3rd clutch defective
4th clutch defective Check the D4 indicator, and check for loose connectors.
Inspect the O-rings, and check the shift solenoid valve
for seizure.
Check the 3rd and 4th clutch pressures.
If the ATF strainer is clogged with particles of steel or
aluminum, inspect the ATF pump. If the ATF pump is
OK, and no cause for the contamination is found,
replace the torque converter, and check the stall speed.
Inspect the clutch piston, clutch piston check valve, and
O-rings. Check the spring retainer for wear and damage.
Inspect the clutch-end-plate-to-top-disc clearance. If the
clearance is out of tolerance, inspect the clutch discs
and plates for wear and damage. If the discs and plates
are worn or damaged, replace them as a set. If they are
OK, adjust the clutch end plate clearance.
Noise from
transmission in all
shift lever
positions 1.
2.
ATF pump worn or
binding
Torque converter
housing or transmission
housing bearing worn or
damaged Improper alignment of ATF pump and torque converter
housing may cause ATF pump seizure. The symptoms
are mostly an rpm-ticking noise or a high pitched
squeak.
Inspect the contact of the countershaft and secondary
shaft with the bearings. Check the ATF guide plates for
damage and wear. Inspect the 1st clutch feed pipe for
damage and out of round. If the 1st clutch feed pipe is
damaged or out of round, replace it. Replace the
secondary shaft if the bushing for the 1st clutch feed
pipe is damaged or out of round.
Vehicle does not
accelerate above
31 mph (50 km/h) Torque converter one-way
clutch defective Replace the torque converter.
(cont’d)
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