Brake Booster
Clearance Adjustment
NOTE: Master cylinder pushrod-to-piston clearance
6. If clearance is incorrect, loosen the star locknut and
must be checked and adjustments made, if necessary,
turn the adjuster in or out to adjust. Hold the clevis
before installing master cylinder.
while adjusting.
Using the special tool, adjust bolt so the top of it is
flush with end of master cylinder piston.
SECONDARY
ADJUSTMENT
GAUGE
PUSH
2.
Without disturbing the adjusting bolt’s position, in-
stall the special tool upside down on the booster.
3.
Install the master cylinder nuts and tighten to the
specified torque.
4.
Connect the booster in-line with a vacuum gauge
(O-30 in
to the booster’s engine vacuum sup-
ply, and maintain an engine speed that will deliver
500 mm Hg (20 in
vacuum.
5. With a feeler gauge, measure the clearance be-
tween the gauge body and the adjusting nut as
shown.
Clearance: O-O.4 mm (O-0.016
Preferred: O-O.2 mm (O-0.008
VACUUM GAUGE
(Commercially
15
(1.5 kg-m, 11 lb-ft)
Available)
FEELER
(O-30 in
ADJUSTER
LOCKNUT
7. Tighten the star locknut securely.
Remove the special tool and install a new master
cylinder rod seal in the booster.
STAR LOCKNUT
22
(2.2 kg-m, 16 lb-ft)
ADJUSTMENT GAUGE
O-O.4 mm (O-0.016 in)
O-O.2 mm (O-O.006 in)
Preferred.
NOTE: If the clearance between the gauge body
and adjusting nut is 0 mm, the pushrod-to-piston
clearance is 0.4 mm. If the clearance between the
gauge body and adjusting nut is 0.4 mm, the
pushrod-to-piston clearance is 0 mm.
8. Adjust the
length as shown if necessary.
LOCKNUT
15
Il.5 kg-m,
11 lb-ft)
9. After adjustment, loosen the clevis end
locknut and turn the
to obtain the correct
pedal height.
Standard Pedal Height From Floor:
Manual Transmission:
218 mm (8.58
Automatic Transmission: 218 mm (8.58 in)
(with floor mat removed)
The pedal should have
1-5 mm free play.
10. Adjust the brake light switch (page
19-15
Summary of Contents for Acura NSX 1991
Page 1: ... j s _ _ ...
Page 3: ......
Page 22: ...Special Tools Individual tool lists are located at the front of each section ...
Page 23: ...Specifications Standards and Service Limits 3 2 Design Specifications 3 l 1 ...
Page 39: ...Body Specifications m I 1 175 46 3 Unit mm in ...
Page 40: ...Maintenance Lubrication Points 4 2 Maintenance Schedule 4 4 ...
Page 42: ... 13 I 0 4 3 ...
Page 60: ...Engine Removal Installation ...
Page 81: ...lr I 6 7 ...
Page 191: ... n EilEli3 A A A Cl51 c4 BLU 1 TACHO METER CONNECTOR Cl61 C478 C488 REDlYEL YELlRED J A GlOl ...
Page 193: ... PGM FI 1 IDLE CONTROL 1 FUEL SUPPLY 1 EMISSION CONTROL II 17 ...
Page 207: ...II 31 ...
Page 211: ...I I 35 ...
Page 219: ... cont d II 43 ...
Page 235: ...1 l 59 ...
Page 255: ...11 79 ...
Page 285: ...1 l 109 ...
Page 434: ...t 14 46 ...
Page 477: ...14 95 ...
Page 482: ...Illustrated Index L Side Cover 14 100 ...
Page 484: ...Illustrated Index Transmission Housing 14 102 ...
Page 486: ...Illustrated Index Torque Converter Housing Valve Body ...
Page 527: ...3 Assemble the transmission in the following numbered sequence Replace cont dl ...
Page 551: ......
Page 698: ...9 Nom 0 9 kg m 7 lb ft REAR 9 Nom 0 9 kg m 7 lb ft ...
Page 724: ...19 37 ...
Page 766: ...19 79 ...
Page 888: ...Frame Repair Chart 20 62 ...
Page 893: ...22 5 ...
Page 937: ...22 49 ...
Page 950: ...Blower 22 62 ...
Page 971: ...22 83 ...
Page 1003: ... JND WIRE EN NE GROUND WIRE B ...
Page 1005: ... lzl A ENGINE W I R E H A R N E S S cont d 23 l 9 ...
Page 1007: ... rl p173 5 Cl34 Cl32 Ti03 23 21 ...
Page 1009: ...C2bl c262 I C203 cont d 23 23 ...
Page 1011: ... rl SUB RELAY BOX A cont d 23 25 ...
Page 1013: ...FRONT COMPAR 23 27 J ...
Page 1015: ...e RIGHT RETRACTOR SUB HARNESS I LEFT RETRACTOR SUB HARNESS I ...
Page 1019: ...C466 C465 C468 C464 c473 FLOOR WlFiE HARNESS co d 23 33 ...
Page 1021: ... ITI RETRACTABLE HEADLIGHT CONTROL UNIT i FLOOR WIRE HARNESS 23 35 ...
Page 1023: ...MAIN FUSE BOX I 23 37 ...
Page 1027: ...DRIVER S DOOR WIRE HARNESS PASSENGER S DOOR WIRE 23 41 ...
Page 1029: ...SRS CONTROL UN FUEL TANK WIRES 23 43 ...
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Page 1275: ...1 ACTUATOR ASSEMBLY SPEED SENSOR 23 l 33 ...
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Page 1417: ...cted System Connectors ...
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