
Piston Rings
End Gap
1 .
Using a piston, push a new ring into the cylinder
bore 1
mm
in.) from the bottom.
2. Measure the piston ring end-gap with a feeler
gauge:
If the gap is too small, check to see if you have
the proper rings for your engine.
l
If the gap is too large, recheck the cylinder bore
diameter against the wear limits on page 7-13.
If the bore is over limit, the engine block must be
rebored.
Piston Ring End-Gap:
Top Ring
.
Standard (New): 0.25-0.40 mm
(0.010-0.016 in)
Service Limit:
0.60 mm (0.024 in)
Second Ring
Standard (New):
mm
(0.014-0.020 in)
Service Limit
0.75 mm (0.03
Oil Ring
Standard (New): 0.2-0.7 mm (0.008-0.028 in)
Service Limit:
0.8 mm (0.03 in)
Replacement
1.
2.
3.
Using ring expander, remove old piston rings.
Clean all ring grooves thoroughly.
NOTE:
Use a squared-off broken ring or ring groove
cleaner with blade to fit piston grooves.
Compression ring grooves are 1.2 mm wide and
oil ring groove is 2.8 mm wide.
File down blade if necessary.
CAUTION: Do not use a wire brush to clean ring
lands, or cut ring lands deeper with cleaning tool.
NOTE: If piston is to be separated from connecting
rod, do not install new rings yet.
Install new rings in proper sequence and position
(page 7-l
NOTE: Do not reuse old piston rings.
7-l 5
Содержание Acura NSX 1991
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Страница 22: ...Special Tools Individual tool lists are located at the front of each section ...
Страница 23: ...Specifications Standards and Service Limits 3 2 Design Specifications 3 l 1 ...
Страница 39: ...Body Specifications m I 1 175 46 3 Unit mm in ...
Страница 40: ...Maintenance Lubrication Points 4 2 Maintenance Schedule 4 4 ...
Страница 42: ... 13 I 0 4 3 ...
Страница 60: ...Engine Removal Installation ...
Страница 81: ...lr I 6 7 ...
Страница 162: ...Intake Manifold Exhaust System Intake Manifold 9 2 Exhaust Manifold 9 3 Exhaust Pipe and Muffler 9 4 ...
Страница 191: ... n EilEli3 A A A Cl51 c4 BLU 1 TACHO METER CONNECTOR Cl61 C478 C488 REDlYEL YELlRED J A GlOl ...
Страница 193: ... PGM FI 1 IDLE CONTROL 1 FUEL SUPPLY 1 EMISSION CONTROL II 17 ...
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Страница 482: ...Illustrated Index L Side Cover 14 100 ...
Страница 484: ...Illustrated Index Transmission Housing 14 102 ...
Страница 486: ...Illustrated Index Torque Converter Housing Valve Body ...
Страница 527: ...3 Assemble the transmission in the following numbered sequence Replace cont dl ...
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Страница 698: ...9 Nom 0 9 kg m 7 lb ft REAR 9 Nom 0 9 kg m 7 lb ft ...
Страница 724: ...19 37 ...
Страница 766: ...19 79 ...
Страница 830: ...Types and Materials of Exterior Resin Parts Fuel filler lid HAS 2148 Gnylon PPO alloy Page 20 57 20 4 ...
Страница 876: ...UPPER FRAME Rear Bumper Disassembly BUMPER BEAM UPPER LICENSE PLATE SUPPORT SUMP R SKIRT 20 50 ...
Страница 888: ...Frame Repair Chart 20 62 ...
Страница 892: ...Heater Evaporator Door Position a C O L D KA type only VENT DOOR DEFROSTER EVAPORATOR HEATEd CORE CORE 22 4 ...
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Страница 950: ...Blower 22 62 ...
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Страница 997: ... Dashboard AUTOMATIC CLIMATE CONTROL STARTER warning system I N T E G R A T E D CONTROL UNIT DASH FUSE BOX ...
Страница 1000: ...Relay and Control Unit Locations Engine Compartment ENGINE COMPARTMENT FAN RELA REAR WINDOW DEFOGGER IGNITER UNIT 23 14 ...
Страница 1003: ... JND WIRE EN NE GROUND WIRE B ...
Страница 1005: ... lzl A ENGINE W I R E H A R N E S S cont d 23 l 9 ...
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Страница 1009: ...C2bl c262 I C203 cont d 23 23 ...
Страница 1011: ... rl SUB RELAY BOX A cont d 23 25 ...
Страница 1013: ...FRONT COMPAR 23 27 J ...
Страница 1015: ...e RIGHT RETRACTOR SUB HARNESS I LEFT RETRACTOR SUB HARNESS I ...
Страница 1017: ...FLOOR WIRE HARNESS I Lx C 4 1 6 I C4b5 c 2 I LEFT KICK PANEL I I c422 C425 C424 C426 C423 I 0404 6701 kont d 23 31 ...
Страница 1019: ...C466 C465 C468 C464 c473 FLOOR WlFiE HARNESS co d 23 33 ...
Страница 1021: ... ITI RETRACTABLE HEADLIGHT CONTROL UNIT i FLOOR WIRE HARNESS 23 35 ...
Страница 1023: ...MAIN FUSE BOX I 23 37 ...
Страница 1027: ...DRIVER S DOOR WIRE HARNESS PASSENGER S DOOR WIRE 23 41 ...
Страница 1029: ...SRS CONTROL UN FUEL TANK WIRES 23 43 ...
Страница 1031: ... rl DRIVER S SEAT I DRIVER S POWER SEAT WIRE HARNESS PASSENGER S SEAT PASSENGER S POWER SEAT WIRE HARNESS 23 45 ...
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