Heater Univcore Replacement - Acura 2002 RSX Service Manual

Heater Unit/Core Replacement
SRS comoonents are located in this area, Review the
SRS component locations (see page 23-10), and
precautions and procedures (see page 23-'l1) in the SRS
section before performing repairs or service.
1. Turn the ignition switch ON (ll)
2. Turn the mode control dia I to the floor vent position.
This will prevent the mode control doors from
being damage when the dashboard is removed.
3. Turn the ignition switch OFF.
4. Make sure vou have the anti-theft code for the radio,
then write down the freouencies for the radio's
preset buttons.
5. Disconnect the negative cable from the battery.
6. Disconnect the suction and receiver lines from the
evaporatorcore (see page 21-50).
7. From under the hood, open the cable clamp (A),
then disconnect the heater valve cable (B) from the
heater valve arm {C). Turn the heater valve arm to
the fully op6ned position as shown.
When the engine is cool, drain the engine coolant
from the radiator (see page 10-6).
1 0 .
9. Slide the hose clamps (A) back, then disconnectlhe
inlet heater hose (B) and the outlet heater hose (C)
from the heater core. Engine coolsnt will run out
when the hoses are disconnected; drain it into a
clean drip pan. Be sure not to let coolant spill on
the electrical parts or the painted surfaces. lf any
coolant spills, rinse it off immediately.
Remove the mounting bolt and the heater valve as
shown.
6 x 1 , 0 m m
9.8 N.m
(1.0 kgt.m, 7.2lbf ftl
(cont'd)
21-51