Honda HR-V: HVAC Unit Removal and Installation
Removal & Installation
SRS components are located in this area. Review the SRS component locations -
Refer to: SRS Component
Location Index (KA/KC) and the precautions and procedures before doing repairs or
service.
1. 12 Volt Battery Terminal - Disconnect
2. A/C Refrigerant - Recover
3. Engine Coolant - Drain
4. A/C Lines, Heater Hose, and Heater Unit Mounting Nut - Remove
.png)
- Remove the bolt (B)
- Disconnect the A/C Lines (C)
- Disconnect the heater hose (D).
NOTE:
- Engine coolant 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. If
any coolant spills, rinse it off
immediately.
- Note the layout of the hoses.
- Remove the mounting nut (E).
NOTE: Take care not to damage or bend the fuel lines or the brake lines.
5. Expansion Valve - Remove
6. Dashboard/Steering Hanger Beam - Remove
7. HVAC Unit Assembly - Remove
.png)
- Disconnect the drain hose (B)
- Remove the duct (C)
- Remove the HVAC unit assembly (D).
8. All Removed Parts - Install
- Install the parts in the reverse order of removal, and note these items:
- New O-rings should be used at each fitting. Prior to installation,
apply a thin coat of the same
refrigerant oil used in the A/C compressor. Be sure to use the correct
O-rings for HFC-134a
(R-134a) to avoid leakage.
- Do not interchange the inlet and outlet heater hoses, and install
the hose clamps securely.
- Make sure that there is no coolant leakage.
- Make sure that there is no air leakage.
- Make sure that there is no refrigerant leakage.
- Do the 12 volt battery terminal reconnection procedure.
- Refill the radiator with engine coolant, and bleed the air from the
cooling system.
- Charge the system with the specified amount of R-134a refrigerant.
READ NEXT:
Removal & Installation
SRS components are located in this area. Review the SRS component locations -
Refer to: SRS Component
Location Index (KA/KC) and the precautions and procedures before doing
Removal & Installation
1. Front Bumper - Remove
2. Outside Air Temperature Sensor - Remove
Disconnect the connector (A)
Lift the tab (B) to release the lock, then remove the outside air
tempe
DTC TROUBLESHOOTING
DTC INDICATOR 2 : HVAC CONTROL UNIT INTERNAL ERROR
1. Problem verification:
Clear the history DTCs.
Do the Self-Diagnostic Function.
Checking for DTCs.
Does the RECIRCULATION
SEE MORE:
NOTE:
Before doing this troubleshooting procedure, find out if the vehicle was
in a collision. If so, verify
that all the required components were replaced with new components of the
correct part number,
and that they were properly installed.
Before doing this troubleshooting procedure, rev
NOTE: Examples used in this article are general in nature and do not
necessarily relate
to a specific engine or system. Illustrations and procedures have been chosen
to guide mechanic through engine overhaul process. Descriptions of processes
of cleaning, inspection, assembly and machine shop pract