Refilling And Bleeding - Honda Acura NSX 1991 Service Manual

Removing the expansion tank cap while
the engine is hot can cause the coolant to spray out,
seriously scalding you. Always let the engine and
radiator cool down before removing the expansion tank
cap.
CAUTION: When pouring coolant, be sure to shut the
relay box lid and not let coolant spill on the electrical
parts or the paint. If any coolant spills, rinse it off
immediately.
NOTE:
l
Perform this when the engine is cool.
slowly tune the climate control temperature knob to
coolant in the heater to drain out with the rest of the
system.
WASHERS
1 . Open the hood, the rear hatch and the engine
cover.
2. Remove the cover protecting the water pipes and
shift cables on the underside of the car.
3. Before removing the expansion tank cap, first
loosen the cap to lower pressure.
CAUTION: Do not remove the expansion tank cap
when engine is hot. The coolant is under pressure
and may blow out and scald you. Open the cap
slowly when the engine is cool.
4. Loosen the drain plug from the bottom of the
radiator and drain the coolant.
5. Remove the two drain bolts from the water pipes
and drain the coolant.
DRAIN PLUG
DRAIN /HOLE
I
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