Honda Acura NSX 1991 Service Manual page 474

Pressure
r
Testing (cont'd)
-1. Allow the rear wheels to rotate freely.
-2. Start the engine and let it idle.
-3. Shift the select lever to D position.
-4. Slowly press down the accelerator pedal to in-
crease engine rpm until pressure is indicated on
the oil pressure gauge. Then release the acceler-
ator pedal, allowing the engine return to an idle,
and measure the pressure reading.
While testing, be careful of the rotat-
ing rear wheels.
step -4 for each clutch pressure being
4TH CLUTtiH PRESSURE
INSPECTION HOLE
SELECTOR
PRESSURE
POSITION
2nd Clutch D
3rd Clutch
PROBABLE
SYMPTOM
CAUSE
No or low 2nd Clutch
2nd pressure
3rd Clutch
No or low
3rd pressure
4th Clutch
No or low
4th pressure
-6. With the engine idling, press down the acceler-
ator pedal approximately l/2 of its possible trav-
el and increase the engine rpm until pressure is
indicated on the gauge, measure the highest
pressure reading obtained.
ing rear wheels.
-7. Repeat step -6 for each clutch pressure being
inspected.
INSPECTION HOLE
PRES
INSPECTION HOLE
FLUID PRESSURE
Standard
441 kPa
4 9 0 - 8 8 3 kPa
(4.5 kg/cm2, 64 psi)
(5.0-9.0 kg/cm2,
with
71-128 psi)
released
varies with throttle
785 kPa
opening
(8.0 kg/cm2, 1 I4 Ps'
with
more than 218 opens
S E
UR
Service Limit
accelerator pedal
accelerator ped