1997 ACURA NSX radiator

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ACURA NSX 1997 Service Repair Manual Radiator
Engine Coolan t Refillin g an d Bleedin g (cont'd)
6. Instal l rubbe r hose s o n th e drai n bolt s a t th e fron t
an d rea r o f th e engin e unde r th e cylinde r banks .
Loose n th e

Radiator
Engine Coolan t Refillin g an d Bleedin g (cont'd)
6. Instal l rubbe r hose s o n th e drai n bolt s a t th e fron t
an d rea r o f th e engin e unde r th e cylinde r banks .
Loose n th e drai n bolt s t o drai n th e coolant .
• Drainin g ca n b e don e mor e quickl y i f al l th e blee d
bolt s an d plu g ar e als o opened . Befor e openin g
them , mak e sur e th e coolan t leve l i n th e expan -
sio n tan k ha s com e dow n completel y s o tha t th e
coolan t wil l no t pou r ou t o f th e blee d bolt s an d
plug .
7. Whe n th e coolan t stop s draining , tighte n th e
radiato r drai n plug , wate r pip e drai n bolt s an d
engin e drai n bolts .
• B e sur e t o replac e th e wate r pip e drai n bol t
washer s wit h ne w ones .
REAR ENGIN E DRAI N BOL T
9. 8 N- m (1. 0 kgf-m , 7. 2 Ibf-ft )
8. Ope n al l fou r bleeders .
1 ) Loose n th e radiato r blee d plug .
2 ) Remov e th e heate r pip e blee d bolt .
3 ) Loose n th e wate r pip e blee d bolt .
4 ) Loose n th e engin e blee d bol t o n th e therm o
cover .
9 . Mi x th e recommende d antifreeze/coolan t wit h a n
equa l amoun t o f wate r i n a clea n container .
NOTE:
• Alway s us e Genuin e Hond a Antifreeze/Coolant .
Usin g a non-Hond a coolan t ca n resul t i n corro -
sion , causin g th e coolin g syste m to malfunctio n
o r fail .
• Fo r bes t corrosio n protection , th e coolan t con -
centration s mus t b e maintaine d year-roun d a t
50 % minimum . Coolan t concentration s les s tha n
50 % ma y no t provid e sufficien t protectio n
agains t corrosio n o r freezing .
• Coolan t concentration s greate r tha n 60 % wil l
impai r coolin g efficienc y an d ar e no t recom -
mended .
CAUTION :
• D o no t mi x differen t brand s o f antifreeze/coolant .
• D o no t us e additiona l rus t inhibitor s o r anti-rus t
products ; the y ma y no t b e compatibl e wit h th e
recommende d coolant .
Engin e Coolan t
Refill Capacity : Includin g expansion
tank 2. 1 (2. 2 U S qt , 1. 8 Im p qt )
Manual : 12. 0 (12. 7 U S qt , 10. 6 Im p qt )
Automatic : 12. 0 (12. 7 U S qt , 10. 6 Im p qt )
FRON T ENGIN E DRAI N BOL T9.8 N- m (1. 0 kgf-m , 7. 2 Ibf-ft )
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