Question about 2001 Nissan Sentra

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How do I replace the thermostat in a 2001 Nissan Sentra

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ZJ Limited

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WARNING Never remove the radiator cap when the engine is hot. Serious burns could occur from high pressure coolant escaping from the radiator.
To remove and install thermostat, refer to illustration and water pump procedure.

How do I replace the thermostat in a 2001 Nissan - 612dcdc.gif

Fig. Exploded view of water pump and thermostat components-1.6L engine

Fig. Exploded view of therHow do I replace the thermostat in a 2001 Nissan - 2b67e32.gifcomponents-1.8L engine


Fig. Exploded view of thermostat and components-2.0L engine

Removal & Install

  1. Before servicing the vehicle, refer to the Precautions Section.
  2. Drain the cooling system.
  3. Disconnect the negative battery cable.
  4. Remove the lower radiator hose.
  5. Remove the water inlet and take out the thermostat.
  6. To install perform the following:
    Install gum ring to thermostat Install thermostat with jiggle valve or air bleeder at upper side
  7. To complete installation, reverse remaining removal procedure.
  8. Fill the cooling system.
  9. After installation, run engine for a few minutes and check for leaks.

Hope helped with this (remember rated this) Good luck.

Posted on Nov 05, 2009


4 Related Answers


  • 1010 Answers

SOURCE: thermostat

Follow the bottom hose around the back of the engine and over to the passenger side. This hose ends up almost directly behind the front/top hose (where the thermostat should be...but that would be too easy). Unbolt 3 bolts holding the housing on, pop off the housing, and the thermostat should just pop right out.

Posted on Jun 25, 2008


Justin Case

  • 1498 Answers

SOURCE: How do I replace a serpentine belt for a 2001 nissan sentra.

Hi gj,

It's easy and you won't need a prybar.

  • Get a 14mm or 9/16" socket and a long handled ratchet or breaker bar.
  • For putting the belt on: Get the belt around all the pulleys except the A/C compressor or Alternator.
  • The tensioner pulley is on a spring loaded arm. Get your socket on the center nut of this pulley.
  • Slowly pull the ratchet toward the center of the engine. The pulley will pivot on the arm allowing you to get the belt on the final pulley.
  • Slowly release the tension.
  • You're done

Posted on Dec 14, 2008


  • 1010 Answers

SOURCE: 1996 nissan sentra

Find the big hose that comes out of the top of the radiator and follow it to the engine and that is where the thermostat is located. My advice is to be sure to get a factory thermostat and rubber gasket as it makes installation much easier. I have done it both ways and the factory one is easier to install.

Posted on Jun 29, 2008


Chris Jones

  • 520 Answers

SOURCE: Where is the blower resistor on a 2001 Nissan Sentra?

Its actually not that bad to change. If you open the glove box and remove the screws then the screws along the bottom of the glove box at the bottom of the dash the box will slide out. Remember to disconnect the light if it has one. Now you will be able to see the underside of the dash. You can see a large black box that has wires and vacuum lines all over. You need to locate a small flat plate with two screws and a plug in the middle. Disconnect the plug and remove the screws. The resistor will come straight out. The back side will look like small coiled up springs of different sizes. Install in reverse.Hope this helps. Good luck. Please re-post with updates. Thanks cj2176.

Posted on Jul 13, 2009

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