Heating and Ventilation System
Heater
In this manual: Heating and Ventilation System
~1min read
GENERAL INFORMATION
Warning: On vehicles with air conditioning, do not remove the cooling unit installed between the blower and the heater on your own. Heater removal requires considerable time, particular attention and careful preparation. RemovalPROCEDURE
1. Disconnect the battery ground cable.
2. Set the heater lever to the HOT position and drain the coolant.

3. Disconnect the hoses from the heater on the engine compartment side (marked with arrows).
4. Remove the glove box by removing two screws.
5. Remove the lower and center front panels (see subsection 13.26).
6. Remove the glove box bracket.
7. Remove the heater control unit.
8. Disconnect the air duct on the right side of the heater and disconnect the cables from the control levers.
9. Remove the center air duct.

10. Unscrew the bolts and remove the heater from the engine compartment bulkhead.
Installation
PROCEDURE
Installation is performed in the reverse order. Make sure the wiring and control cables are routed correctly, check that the air ducts are securely attached, install the removed panels, and refill the coolant, bleeding the air.Test yourself
A quick Nissan Sunny quiz: every answer comes with an explanation and a link to the manual page.
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