Acura 2002 RSX Service Manual page 549

a
a
Symptom
Piobable cause{sl
Notes
Excessive shock or
flares on 4-5
upshift or 5-4
downshift
1. A,/T clutch Pressure control
solenoid valve B defective
2. Aff clutch pressure control
solenoid valve C defective
3. Foreign material in
separator plate orifice
4. 4th accumulator defective
5. sth accumulator defective
6. 4th clutch defective
7. sth clutch defective
Check the D indicator, and check for loose connectors'
Inspect the solenoid valve filter/gasket for wear and
damage. and inspect the solenoid valves for seizure
Check the 4th and 5th clutch pressures.
InsDect the clutch piston, clutch piston check valve,
and O-rings. Check the spring retainer and retainer
seal for wear and damage lnspect the clutch end-
plate-to-top-disc clearance. lf the clearance is out of
tolerance, inspect the clutch discs and plates for wear
a n d d a m a g e . l f t h e d i s c s a r e w o r n o r d a m a g e d ,
replace the discs as a set. Inspect the clutch waved-
plate height. lf the height is out of tolerance, replace
the waved-plate. lf the discs and plates are OK, adjust
the clearance with the clutch end plate
Inspect the sth clutch feed pipe. lf the sth clutch feed
pipe is scored, replace it and O-ring under the feed
p i p e g u i d e .
ReDlace the mainshaft if the bushing for the sth
clutch feed pipe is loose or damaged
Noise from
t r a n s m i s s i o n i n a l l
shift lever
positions
1 . A T F p u m p w o r n o r b i n d i n g
2. Mainshaft bearing,
countershaft bearing or
secondarY shaft bearing
defective
. l m p r o p e r a l i g n m e n t o f A T F p u m p a n d t o r q u e
converter housing may cause ATF pump seizure The
symptoms are mostly an rpm-related ticking noise or
a high pitched squeak.
. Be careful not to damage the torque converter
housing when replacing the main ball bearing You
may also damage the ATF pump when you torque
down the main valve body This will result in ATF
pump seizure if not detected Use the propertools'
. lnstallthe main seal flush with the torque converter
housing. lf you push it into the torque converter
housing until it bottoms out. it will block the fluid
return passage and result in damage.
. lnsDect if the ATF strainer is clogged with particles of
s t e e l o r a l u m i n u m . l f c l o g g e d , r e p l a c e i t , a n d f l u s h t h e
torque converter, cooler, and lines.
. lnsDectthe mainshaft and countershaft forwear or
d a m a g e .
Reolace the torque convener.
Check for a misinstalled/damaged drive plate'
Set idle rpm in gear to the specified idle speed. lf still
no good, adjust the engine and transmission mounts
as outlined in the engine section ofthis service
m a n u a l .
Vehicle does not
accelerate more
t h a n 3 1 m p h ( 5 0
km/h)
V i b r a t i o n i n a l l
shift lever
positions
Torque converter one-way clutch
defective
Drive plate defective or
transmission misassembled
(cont'd)
14-17