Acura NSX 1991 Manual page 536

Main Menu
Modulator/Solenoid Unit
Solenoid Leak Test
1. Disconnect the 6-P inspection connector (PNK)
from the connector cover located under the glove
box, and connect the 6-P inspection connector to
the ALB checker.
ALB CHECKER
07HAJ-SG0010B
See page 19-2 for other
applicable checkers.
CAUTION: Place the vehicle on level ground with
the wheels blocked. Put the transmission in neutral
for manual transmission models, or in
matic transmission models.
2. Remove the modulator reservoir filter, then fill the
modulator reservoir to the MAX level line.
NOTE: Do not reuse aerated brake fluid that has
been bled from the power unit.
3. Bleed high-pressure fluid from the maintenance
bleeder with the special tool.
SOLENOID UNIT
ACCUMULATOR/
PRESSURE SWITCH
Table of Contents
CONNECTOR
COVER
6-P INSPECTION
CONNECTOR
for auto-
BLEEDER T-WRENCH
07HAA-SG00101
or
07HAA-SG00100
MAINTENANCE
BLEEDER
8 x 1.25 mm
POWER
9 N-m (0.9 kg-m,
UNIT 6.5 Ib-ft)
4. Start the engine and release the parking brake.
5. Turn the Mode Selector to 1, and press the Start
Test button.
6. While the pump is running, place your finger over
the top of the solenoid return tube in the modulator
reservoir.
SOLENOID RETURN
TUBE
Feel for brake
fluid here.
• If you can feel brake fluid coming from the return
tube, one of the solenoids is leaking. Go to step
7.
• If you can't feel brake fluid coming from the
return tube, the solenoids are OK.
Reinstall the modulator reservoir filter and refill
the reservoir to the MAX level line.
7. Bleed high-pressure fluid from the maintenance
bleeder with the special tool.
8. Repeat steps 5 through 7 at modes 2 to 5 with the
ALB checker.
• If the solenoid leakage has stopped, reinstall the
modulator reservoir filter and refill the reservoir
to the MAX level line.
• If you can feel brake fluid coming from the return
tube, one of the solenoids is leaking. Go to
Solenoid Flushing.