Nissan Maxima Service and Repair Manual: Thermostat and thermostat housing

Removal and Installation

Nissan Maxima. Removal and Installation

  1. Gasket
  2. Thermostat assembly (water inlet)

WARNING: Do not remove the radiator cap when the engine is hot. Serious burns could occur from high pressure engine coolant escaping from the radiator. Wrap a thick cloth around the radiator cap. Slowly turn it a quarter of a turn to release built-up pressure. Carefully remove radiator cap by turning it all the way.

CAUTION: Perform when engine is cool.

NOTE: When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.

REMOVAL

Nissan Maxima. REMOVAL

  1. Drain coolant from radiator. Refer to CO-11, "Changing Engine Coolant".
  2. Disconnect reservoir hose and remove reservoir tank.
  3. Disconnect the harness connector from the VTC solenoid (LH).
  4. Disconnect lower radiator hose from thermostat assembly.
  5. Remove thermostat assembly (water inlet).

CAUTION: Do not disassemble thermostat assembly (water inlet).

Replace them as a unit, if necessary.

INSPECTION AFTER REMOVAL

Nissan Maxima. 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 thermostat 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.

Nissan Maxima. INSPECTION AFTER REMOVAL

  • If valve seating at measured values are out of standard range, replace water inlet and thermostat assembly.

INSTALLATION

Installation is in the reverse order of removal.

Nissan Maxima. INSTALLATION

  • Install thermostat with jiggle valve facing upward.
  • After installation refill engine coolant and check for leaks. Refer to CO-11, "Changing Engine Coolant" and CO-10, "System Inspection".

CAUTION: Do not spill coolant in engine compartment. Use a shop cloth to absorb coolant.

    Water pump
    Exploded View Water pump O-rings Timing chain tensioner Intake valve timing control solenoid valve cover (RH) (bank 1) Water pump cover Removal and Installation WARNING: Do no ...

    Water outlet and water piping
    Removal and Installation Heater hose Clamp Water hose Clamp Water outlet Gasket Gasket Water connector O-ring Water bypass pipe Clamp Water hose Heater pipe ...

    Other materials:

    Replacement operations
    Description This section is prepared for technicians who have attained a high level of skill and experience in repairing collision- damaged vehicles and also use modern service tools and equipment. Persons unfamiliar with body repair techniques should not attempt to repair collision-damaged ...

    B2603 shift position status
    Description BCM confirms the shift position with the following 2 signals.  CVT selector lever  P/N position switch DTC Logic DTC DETECTION LOGIC NOTE: If DTC B2603 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to ...

    Basic inspection
    INSPECTION AND ADJUSTMENT Operational Check DESCRIPTION The purpose of the operational check is to check that the individual system operates normally. Conditions: Engine running at normal operating temperature INSPECTION PROCEDURE 1.CHECK MEMORY FUNCTION Start the engine. Operate the t ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

    © 2017-2023 Copyright www.nimainfo.com
    0.0054