Nissan Sentra manuals

Nissan Sentra Service Manual: Thermostat and thermostat housing

Exploded View


  1. Thermostat housing
  2. Gasket
  3. Rubber ring
  4. Thermostat
  5. Water inlet
  6. Clamp
  7. Radiator hose (upper)
  1. To radiator

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 cap. Slowly push down and turn it a quarter turn to allow built-up pressure to escape. Carefully remove the cap by pushing it down and turning it all the way.

NOTE:

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

Removal and Installation of Thermostat

REMOVAL

  1. Remove engine under cover. Refer to EXT-16, "Exploded View".
  2. Drain engine coolant from radiator. Refer to CO-12, "Changing Engine Coolant".

CAUTION:

  1. Disconnect radiator hose (lower) from water inlet side. Refer to CO-15, "Exploded View".
  2. Remove water inlet bolts, then remove water inlet and thermostat.

Inspection after removal

NOTE:

The full-open lift amount standard temperature for the thermostat is the reference value.



Installation

Installation is in the reverse order of removal.

CAUTION:

Do not reuse rubber ring.


Removal and Installation of Thermostat Housing


Removal and Installation of Thermostat Housing

REMOVAL

  1. Remove the generator. Refer to CHG-29, "Removal and Installation".
  2. Partially remove the fender protector (LH). Refer to EXT-28, "FENDER PROTECTOR : Removal and Installation - Front Fender Protector".
  3. Remove the thermostat housing bolts, then remove the thermostat housing.
  4. Remove thermostat if necessary. Refer to CO-21, "Removal and Installation of Thermostat".
  5. Remove water pump if necessary. Refer to CO-19, "Removal and Installation".

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

Inspection

INSPECTION AFTER INSTALLATION

After installation, refill engine coolant and check for leaks. Refer to CO-11, "System Inspection" and CO-12, "Changing Engine Coolant".

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