timing belt ACURA NSX 1997 Service Repair Manual

[x] Cancel search | Manufacturer: ACURA, Model Year: 1997, Model line: NSX, Model: ACURA NSX 1997
Pages: 1503, PDF Size: 57.08 MB

Page 375 of 1503

$ACURA NSX 1997 Service Repair Manual 4-6 This Maintenance Schedule outlines the minimum required maintenance. Ser\ vice at the indicated distance or time, whichever comes first. Use the Maintenance Schedule for Severe Conditions if the v$

4-6
This Maintenance Schedule outlines the minimum required maintenance. Ser\
vice at the indicated distance or time, whichever
comes first. Use the Maintenance Schedule for Severe Conditions if the v\
ehicle meets any of the qualifiers in the Severe
Conditions schedule or if the vehicle is normally driven in Canada.
Do the items in parts A, B, C, D, E, F, and G as required for the mileag\
e/time interval listed.
NOTE: According to state and federal regulations, failure to do the maintenanc\
e items marked with an asterisk (*) will not
void the customer ’s emissions warranties. However, Acura recommends that all maintenance s\
ervices be done at
the recommended interval to ensure long-term reliability.
*1: Refer to the 1997 NSX Service Manual, P/N 61SL006.
*2: Refer to the 1998 NSX Service Manual Supplement, P/N 61SL007.
*3: Refer to the 2001 NSX Service Manual Supplement, P/N 61SW000.
C
D
E
F
G Inspect and adjust drive belts, every 30,000 miles (48,000 km) or 2 ye\
ars.
•
Check for cracks and damage.
• Check deflection and tension at center of following belts pressing with\
98 N (10 kgf, 22 lbf) tension:
Alternator drive belt (see page 23-109)*
1: 11.0 – 13.5 mm (0.43 – 0.53 in.)
A/C compressor belt (see page 22-88)*1: 10 – 12 mm (0.39 – 0.47 in.)
Replace air cleaner element (see page 11-149)*1, every 30,000 miles (48,000 km).
Independent of time
Replace fuel filter (see page 11-138)*, *1, every 60,000 miles (96,000 km).
Replace spark plugs (see page 23-96)*1, every 105,000 miles (168,000 km).
Use PFR6G-11 (NGK) or PK20PR-L11 (DENSO); GAP 1.0 – 1.1 mm (0.039 – 0.043 in.).
Inspect the valve clearance (see page 6-10)*1, every 105,000 miles (168,000 km), otherwise adjust only if noisy.
Intake: 0.15 – 0.19 mm (0.006 – 0.007 in.), Exhaust: 0.17 – 0.21 mm (0.007 – 0.008 in.).
Replace timing belt (see page 6-14)*1 and inspect water pump (see page 10-11)*1,
every 105,000 miles (168,000 km) or 7 years.
Replace automatic transmission fluid (see page 14-105)*1 at 120,000 miles (192,000 km) or 6 years, then replace
every 90,000 miles (144,000 km) or 5 years.
Capacity: 2.9 L (3.1 US qt); use Honda ATF-Z1.
Replace manual transmission fluid (see page 13-3)*1, every 120,000 miles (192,000 km) or 6 years.
Capacity: 2.65 L (2.80 US qt); use Honda MTF.
Replace engine coolant (see page 10-2 )*3 at 120,000 miles (192,000 km) or 10 years, then every 60,000 miles (9\
6,000
km) or 5 years. Capacity: 12.0 L (3.2 US gal); use Honda All Season Antifreeze/Coolant\
Type 2.
Part Maintenance Items
Maintenance Schedule
Listed by Distance/Time for Normal Conditions
*05-NSX (61SW004)SEC04(01-10) 9/22/04 1:49 PM Page 4-6
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Page 430 of 1503

ACURA NSX 1997 Service Repair Manual Timing Bel t
Illustrate d Inde x
NOTE :
• Refe r t o pag e 6-1 8 fo r positionin g crankshaf t an d pulle y befor e installin g th e belt .
• I f i t i s t o b e reused , mar k th e directio n o

Page 431 of 1503

ACURA NSX 1997 Service Repair Manual Timing Bel t
Inspectio n
Remove th e ignitio n coi l cover s an d harnes s clamps .
Disconnec t th e connectors , the n remov e th e ignitio n
coils .
Remov e th e cylinde r hea d covers .
Inspec t th

Timing Bel t
Inspectio n
Remove th e ignitio n coi l cover s an d harnes s clamps .
Disconnec t th e connectors , the n remov e th e ignitio n
coils .
Remov e th e cylinde r hea d covers .
Inspec t th e timin g bel t fo r crack s an d coolan t o r oi l
soaking .
NOTE:
• Replac e th e bel t i f coolan t o r oi l soaked .
• Remov e an y oi l o r solven t tha t get s o n th e belt .
Inspec t thi s are a
fo r wear .
Rotate pulle y an d
Inspec t belt .
Tensio n Adjustmen t
CAUTION:
• Alway s adjus t timin g bel t tensio n wit h th e engin e cold .
• D o no t rotat e th e crankshaf t whe n th e adjustin g bol t
i s loos e (th e timin g bel t wil l ski d ove r th e teet h o f
th e rea r intak e camshaf t pulley) .
• Adjus t th e bel t tensio n onl y whe n th e bel t ha s bee n
remove d an d reinstalle d o r replaced .
NOTE:
• Tensione r i s spring-loade d t o appl y prope r tensio n t o
th e bel t automaticall y afte r makin g th e followin g
adjustment .
• Inspec t th e timin g bel t befor e adjustin g th e bel t
tension .
• Alway s rotat e th e crankshaf t clockwise . Rotatin g i t
counterclockwis e ma y resul t i n imprope r adjustmen t
o f th e bel t tensio n o r caus e th e bel t t o jum p a toot h
o n th e camshaf t pulleys .
1. Instal l th e timin g bel t wit h th e No . 1 pisto n a t TD C
(see page s 6-18 , 6-19 ).
2 . Remov e th e slac k i n th e sequenc e o f an d
by turnin g eac h camshaf t pulle y slightly .
3 . Loose n th e timin g bel t adjustin g bol t 180 ° (th e slac k
at shoul d b e eliminated) .
Then, tighte n th e timin g bel t adjustin g bolt .
4. Verif y tha t No . 1 pisto n i s a t TD C (se e pag e 6-19 ).
5 . Rotat e th e crankshaf t clockwis e nin e teet h o n th e
camshaf t pulle y (Th e blu e mar k o n th e crankshaf t pul -
le y shoul d lin e u p wit h th e pointe r o n lowe r cover. )
6 . Loose n th e timin g bel t adjustin g bolt .
7 . Retighte n th e adjustin g bolt , torqu e t o 4. 2 N- m (4. 3
kgf-m , 3 1 Ibf-ft) .
Directio nof rotatio nPOINTE R O NLOWE R COVE R
ADJUSTING BOL T
42 N- m (4. 3 kgf-m ,
3 1 Ibf-ft )
BLUE MAR K
TDC MAR K
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