Honda Acura NSX 1991, Service Manual

Page: 43 / 1420

MAINTENANCE ITEM
MAINTENANCE INTERVALS
Replace C Clean I = Inspect After inspection, clean, adjust, repair or replace if
Service at the interval listed
x 1,000 miles km) or
x 1,000 miles 7.5 1 5 22.5 3 0 37.5 4 5 52.5 6 0
67.5
7 5
82.5 9 0
after that number of months,
x 1,000 km 1 2 24 3 6 4 8 6 0
7 2 8 4 9 6 1 0 8 1 2 0 1 3 2 1 4 4
whichever comes first.
m o n t h s 6 1 2 1 8 2 4 3 0 3 6 4 2 4 8
5 4 6 0 6 6 7 2
Emission Related
Air cleaner element
Idle speed
3 Engine oil
Engine oil filter
Alternator drive belt
Cooling system hoses and connections
Manual transmission oil
Automatic transmission fluid
l
Check oil and coolant level at each fuel stop.
q
Under severe driving conditions, service these items more often.
NOTES
SEC
P A G E
I
11-11:
Manual:
800
50 r p m
Automatic: 750
50 r p m 11-84
(in gear)
Check with CO meter
1
1
1
15 BTDC
If clicking sound is heard as you pinch the
PCV hose between the PCV valve and
take manifold, valve is OK.
Intake: 0.15-0.19 mm
in)
Exhaust: 0.17-0.21 mm
(0.007-0.008 in)
The rubber fuel hoses need periodic
replacement since they are subject to
cracks and deterioration during a long
period of use.
Check fuel lines for loose connections,
cracks and deterioration.
Retighten loose connections and replace
any damaged or deformed parts.
NGK:
Automatic: 12.0 (12.7 US Imo
Check specific gravity for freezing point
2.7 (2.9 US qt. 2.4 Imp qt)
13-3
2.9 (3.1 US qt, 2.6 Imp qt)
14-94
For cars sold in Carifornia, this service is recommended only; other areas, it is required.
Tension adjustment only.
Thereafter, replace every 2 years or 30,000 miles (48,000 km), whichever comes first.