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:
Environmental factors influence the rate of corrosion
Moisture
Accumulation of sand, dirt and water on the vehicle
body underside can accelerate corrosion.
Wet floor coverings will not dry completely inside
the vehicle and should be removed for drying to
avoid floor panel corrosion.
Relative humidity
Corrosion will be accelerated in areas of ...
Diagnosis and repair workflow
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1. GET INFORMATION FOR SYMPTOM
Get the detailed information from the customer about the symptom (the
condition and the environment when
the incident/malfunction occurred).
>> GO TO 2
2. CHECK DTC
1. Check DTC.
2. Perform the following ...
Satellite radio tuner
Removal and Installation - Coupe
REMOVAL
1. Disconnect the battery negative terminal.
2. Remove the trunk floor carpet and spare tire cover. Refer to INT-23, "Removal
and Installation".
3. Remove the LH trunk floor spacer.
4. Remove the satellite radio tuner assembly nuts (B), ...