Heater Unit - Acura 3.5 RL Manual

Heater Unit

Replacement
SRS components are located in this area. Review the
SRS component locations, precautions, and procedures
in the SRS (section 24) before performing repairs or ser-
vice.
1. Make sure you have the anti-theft code for the radio,
then write down the frequencies for the radio's pre-
set buttons.
2. Disconnect the negative cable from the battery.
3. Open the cable clamp, then disconnect the heater
valve cable from the heater valve arm. Turn the heater
valve arm to the fully opened position as shown.
CABLE CLAMP
4. When the engine is cool, drain the engine coolant
from the radiator (see
Do not remove the radiator cap when
the engine is hot; the engine coolant is under pres-
sure and could severely scald you.
HEATER VALVE ARM
HEATER VALVE CABLE
section 10).
5. Disconnect the heater hoses from the heater unit.
CAUTION: Engine coolant will damage paint. Quickly
rinse any spilled engine coolant from painted sur-
faces.
NOTE: Engine coolant will run out when the hoses
are disconnected; drain it into a clean drip pan.
HEATER HOSE
(OUTLET SIDE)
6. Remove the dashboard (see
7. Remove the mounting bolts from the left side of
steering hanger beam.
STEERING HANGER BEAM
HEATER HOSE
(INLET SIDE)
CLAMPS
section 20).
8 x 1.25 mm
22 N-m (2.2 kgf-m, 16 Ibf-ft)