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JamesH, Auto Service Tech
Category: Nissan
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Experience:  Auto Service Tech Hands on Nissian Experience
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Where is knock sensor on 2000 maxima?

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where is knock sensor on 2000 maxima?
I have attached the location and the steps to replace the knock sensor. Let me know if you have any questions.. Thanks



NOTE: Nissan does not provide specific instructions for knock sensor replacement. The knock sensor is installed in the top, center of the engine block. Access can be gained by removing the intake manifold.


  1. Drain engine oil.
  2. Release fuel presure
  3. Drain coolant by removing cylinder block drain plugs and radiator drain cock.
  4. Remove left side rocker cover ornament.
  5. Remove air duct to intake manifold, collector, blow-by hose, vacuum hoses, fuel hoses, wires, harness, connectors, etc.

  1. Remove the following hoses: Vacuum hoses, Water hoses, Canister purge hose, Blow-by hose

  1. Remove RH and LH ignition coils.

  1. Remove EGR guide tube.

  1. Remove intake manifold collector supports and intake manifold collector (RH cylinder head only).

1O. Remove fuel tube assembly.

  1. Remove intake manifold.


  1. Install intake manifold. Torque intake manifold bolts and nuts in order to 4-7 ft. lbs ., then torque bolts to 14-18 ft. lbs . and nuts to 16-20 ft. lbs .
  2. Install fuel tube assembly.

  1. Install intake manifold collector gasket, with its front mark facing forwards.
  2. Install intake manifold collector, supports and intake manifold collector bolt.
  3. Install EGR guide tube.
  4. Install RH and LH ignition coils.
  5. Install rocker cover ornament on left side.

  1. Install crankshaft pulley to crankshaft.
(a) Tighten to 20 to 29 N.m (2.0 to 3.0 kg-m, 14 to 22 ft-lb).
(b) Put a paint mark on the crankshaft pulley.
(c) Again tighten by turning 60°to 66°, about the angle from one hexagon bolt head corner to another.

  1. Install camshaft position sensor and crankshaft position sensors.
  2. Reinstall removed parts in reverse order of removal.

Note : After installing the tensioner, race the engine at about 3,000 rpm under no load to purge air from the high-pressure chamber. The engine may produce a rattling noise. This indicates that air still remains in the chamber and is not a matter of concern.


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