Nissan Altima 2007-2012 Service Manual: Thermostat and thermostat housing
Removal and Installation
1. Gasket
2. Thermostat assembly
WARNING: Never remove the radiator cap when the engine is hot. Serious burns could occur from high pressure coolant escaping from the radiator.
REMOVAL
CAUTION: Perform when engine is cool.
1. Drain engine coolant from the radiator. Refer to CO-35, "Changing Engine Coolant".
2. Remove drive belts. Refer to EM-121, "Removal and Installation".
3. Remove water drain plug on water pump side of the engine. Refer to EM-206, "Disassembly and Assembly".
4. Disconnect lower radiator hose.
5. Remove engine coolant inlet and thermostat assembly.
• Do not disassemble engine coolant inlet and thermostat.
Replace them as a unit, if necessary.
INSPECTION AFTER REMOVAL
• Place a thread so that it is caught in the valves of the thermostat.
Immerse fully in a container filled with water. Heat while stirring.
• The valve opening temperature is the temperature at which the valve opens and the falls from the thread.
• Continue heating. Check the full-open lift amount.
NOTE: The full-open lift amount standard temperature for the thermostat is the reference value.
• After checking the full-open lift amount, lower the water temperature and check the valve closing temperature.
INSTALLATION
Installation is in the reverse order of removal.
• Install thermostat with jiggle valve facing upward.
• After installation refill engine coolant and check for leaks. Refer to CO-35, "Changing Engine Coolant" and CO-34, "System Inspection".
CAUTION: Do not spill coolant in engine compartment. Use a shop cloth to absorb coolant.
Water pump
Removal and Installation
1. Water pump
2. O-rings
WARNING:
Never remove the radiator cap when the engine is hot. Serious burns could occur
from high pressure
coolant escaping from the radiato ...
Water outlet and water piping
Removal and Installation
1. Water outlet
2. Gasket
3. O-ring
4. Heater pipe
5. Water connector
6. Water bypass pipe
7. Engine coolant temperature sensor
8. Washer
A. To electric throttle co ...
Other materials:
P1564 ASCD steering switch
Description
ASCD steering switch has variant values of electrical resistance for each
button. ECM reads voltage variation
of switch, and determines which button is operated.
Refer to EC-67, "System Description" for the ASCD function.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P ...
Microphone
Removal and Installation
REMOVAL
1. Remove the room/map lamp assembly. Refer to INL-121, "Removal and
Installation".
2. Detach the microphone connector (A).
3. Remove the map lamp covers (1), then remove the map lamp
assembly cover (2).
4. Release the microphone tabs (A), th ...
Air conditioner system refrigerant and oil recommendations
The air conditioner system in your NISSAN
vehicle must be charged with the refrigerant
HFC-134a (R-134a) and NISSAN A/C
system oil Type S or the exact equivalents.
CAUTION
The use of any other refrigerant or oil will
cause severe damage to the air conditioning
system and will require the repl ...