Honda Civic Service Manual page 264

Radiator
Engine Coolant Refilting and Bleeding (cont,dl
8 .
M i x t h e r e c o m m e n d e d a n t i f r e e z e w i t h a n e o u a l
amount of water in a clean container.
NOTE:
o Use only genuine Honda antifreeze/coolant.
. For best corrosion protection. the coolant con_
c e n t r a t i o n m u s t b e m a i n t a i n e d y e a r _ r o u n d a t
50% minimum. Coolant concentrations less than
5 0 % m a y n o t p r o v i d e s u f f i c i e n t p r o t e c t i o n
against corrosion or freezing.
. C o o l a n t c o n c e n t r a t i o n s g r e a t e r t h a n 6 0 0 1 0 w i l l
i m p a i r c o o l i n g e f f i c i e n c y a n d a r e n o t r e c o m _
mended.
CAUTION:
. Do not mix difforont brands ofar ilreeze/coolants.
. Do not use additional rust inhibiiors or anti_rust
produqt3; they may not be compatible with the
coolant.
Engine Coolent Refi Capacity Iincluding reservoir
{0.4 f 10.42 US qr, 0.35 lmp qt),I;
*1: D16Y5, D16Y/, O16Y8
engines
*2: 81642 engine
*3; Dl6Y7 engine
*4: Dl6Y8 engine
M/r
3.8 f {4.0 US qt, 3.3 lmp qt)*1
4.5 / (4.8 US qt. 4.0 tmp qt)*,
Att
3 . 7 , ( 3 . 9 U S q r , 3 . 3 t m p q t ) . 3
3 . 9 / ( 4 . 1 U S q t , 3 . 4 l m p q t ) * .
CW 3 . 9 / ( 4 . 1 U S q t , 3 . 4 t m p q t l
1 0 - 8
\.-
I
9. Pour coolant into the radiator up to the base of the
filler neck. and install the radiator cap looselv.
Start the engine and let it run until it warms up (the
radiator fan comes on at least twicer.
Turn off the engine. Check the level in the radiator.
add coolant if needed.
Put the radiator cap on tightly, then run the engine
again and check for leaks.
1 0 .
1 1 .