Question about 2002 Nissan Sentra

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HOW DO I CHANGE THE TIMEBELT ON MY NISSAN SENTRA 2002 SE-R

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  • andresdiaz19 Jan 04, 2009

    THANKS

  • andresdiaz19 Jan 04, 2009

    YES, THE TIMEBELT IS ON, I JUST NEED TO ADJUST THE TIME ,,,, NISSAN SENTRA 2002 SE-R

  • andresdiaz19 Jan 04, 2009

    THE ENGINE SIZE IS 2.5

  • andresdiaz19 Jan 04, 2009

    I REBUILT THE ENGINE AND EVERYTHING WAS DONE, BUT NOW I NEED TO ADJUST THE TIME BECAUSE IT DOESN'T HAVE ANY COMPRESSION.

  • andresdiaz19 Jan 04, 2009

    DO YOU HAVE ANY IMAGES?

  • sixmorgo Jul 08, 2013

    Does airbag blinking light have anything to do with changing the trabsmission oil?

  • Anonymous Mar 23, 2014

    speed sensor changed

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  • Contributor
  • 30 Answers

The nissan ser 2.5 liter doesnt have a timing belt it has a chain

Posted on Feb 06, 2009

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  • Contributor
  • 26 Answers

You will have to take the whole front of the motor apart. it should be alot easier to go through the fender well to do this.

Posted on Jan 04, 2009

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  • Chad Johnson
    Chad Johnson Jan 04, 2009

    if you can tell me what size engine it has i can get you the exact procedures for the removal and install.

  • Chad Johnson
    Chad Johnson Jan 04, 2009

    Exploded view of the timing chain assembly-2.5L engine


    1. Before servicing the vehicle, refer to the Precautions section.

    2. Drain the engine oil.

    3. Drain the cooling system.

    4. Relieve the fuel system pressure.

    5. Disconnect the negative battery cable.Support the engine and transaxle with suitable tools.

    6. On Altima, remove or disconnect the following:

      • Engine under cover

      • Upper and lower oil pans

      • Alternator

      • Engine cover

      • Variable timing control solenoid conector

      • Engine ground

      • Coolant reservoir tank

      • Right side fuse and relay box and move aside

      • Right engine mount and bracket

    7. On Sentra, remove or disconnect the following:

      • Air cleaner and duct

      • Spark plugs

      • Valve cover

      • Coolant reservoir tank

      • Auxiliary drive belt tensioner

      • Alternator

      • Strut tower cross brace

      • A/C compressor and wire aside

      • Power steering pump and reservoir and wire aside

      • Upper and lower oil pans

    8. On all models, remove or disconnect the following:

      • Intake valve timing control cover in reverse of the tightening sequence

      • Timing chain guide between the camshaft sprockets and through the front cover

      • Rotate the crankshaft clockwise and set the No. 1 piston to TDC of the compression stroke

      • Crankshaft pulley using a suitable puller

      • Front timing chain cover bolts in reverse order of the tightening sequence

      • Timing chain cover bolt removal sequence shown-2.5L engine
      • Front timing chain case

      • Insert a suitable stopper pin in the timing chain tensioner

      • Chain tensioner

    9. While
      holding the camshaft with an open end wrench on the camshaft flat,
      remove the camshaft sprocket bolts and remove the camshaft sprockets.

    10. Remove the timing chain slack guide, tension guide, timing chain and oil pump drive spacer.

    11. Lift up on the timing chain tensioner lever for the balancer and release the ratchet.

    12. Push the tensioner sleeve in and hold.

    13. Insert a stopper pin to secure the tensioner sleeve

    14. Remove the balancer tensioner.

    15. Remove the timing chain for the balancer unit.

    16. Remove the balancer unit using the sequence shown.

    17. Balancer unit mounting bolts removal sequence shown-2.5L engine
      Balancer unit mounting bolts tightening sequence shown-2.5L engine
      Balancer timing chain alignment marks-2.5L engine
      Timing chain alignment marks-2.5L engine
      Timing chain cover bolt removal sequence shown-2.5L engine
      Intake valve timing control cover tightening sequence shown-2.5L engine
    To install:


    1. If replacement of the balancer bolts is not possible, perform the following bolt measurement:

      1. Measure the diameter of the head bolt 0.39 in. (10mm) from the bottom of the bolt.

      2. Measure the diameter of the head bolt 2.75 in. (70mm) from the bottom of the bolt.

      3. Whenever the size difference between the 2 measurements exceeds 0.0059 in. (0.15mm) the head bolts must be replaced.

    2. Apply clean engine oil to the bolt threads and seating surfaces and tighten the balancer bolts in sequence as follows:

      1. Step 1: 35 ft. lbs. (47 Nm).

      2. Step 2: Plus 90 degrees clockwise

      3. Step 3: Loosen all the bolts completely.

      4. Step 2: 29 ft. lbs. (33 Nm).

      5. Step 4: 35 ft. lbs. (47 Nm).

      6. Step 5: Plus 90 degrees clockwise

    3. Install the crankshaft sprocket and balancer timing chain and align the marks as shown.

    4. Install the balancer timing chain tensioner and remove the stopper pin.

    5. Install the timing chain and and align the timing marks as shown.

    6. Install the timing chain tensioner and remove the stopper pin.

    7. Using adrift, install a new oil seal in the front cover.

    8. Install new O-rings into the cylinder head and block.

    9. Apply a bead of sealant around the inside of the front cover sealing surface.

    10. Install the front cover and tighten the bolts in the sequence shown.

    11. Install the chain guide between camshaft sprockets.

    12. Install the intake valve timing control cover in the sequence shown and tighten the bolts to 10 ft. lbs. (13 Nm).

    13. Install the crankshaft pulley and tighten the bolt to 31 ft. lbs. (42 Nm), plus an additional 60°.

    14. The remainder of the installation is the reverse of the removal procedure.


  • Chad Johnson
    Chad Johnson Jan 04, 2009

    http://www.autozone.com/shopping/repairG...

  • Chad Johnson
    Chad Johnson Jan 04, 2009

    did you do the work or did you have it done for you?

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