Question about 1990 Chevrolet Cavalier

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Crankshaft position sensor location

Where is the crankshaft position sensor on a 1990 chevy cavalier 3.1? And how do i replace it?

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  • camden412 Sep 25, 2009

    This solution is for the 2.2 engine. I am looking for location on the 3.1 engine and what it takes to replace it. Thank you.

  • Anonymous Mar 15, 2014

    location of crankshaft position sensor on 2005 chevrolet trailblazer


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  • Chevrolet Master
  • 17,970 Answers

1990 Chevrolet Cavalier 2.2L TBI 4cyl
The Crankshaft Position Sensor is located under hood, center, rear engine area, below ingnition coil pack and DIS module, mounted in engine block.

crankshaft position sensor location - 87c675c.jpg

Fig. 1: View of the CKP sensor-to-crankshaft reluctor relationship

Crankshaft Position (CKP) Sensor
A magnetic crankshaft sensor (Hall Effect switch) is used which is remotely mounted on the opposite side of the engine from the DIS/IC module. The sensor protrudes in to the engine block, within about 0.050 in. (1.27mm) of the crankshaft reluctor.

I really hope help you wuth this (rated this help). have a nice day, good luck.

Posted on Sep 25, 2009

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  • ZJ Limited
    ZJ Limited Sep 25, 2009

    1990 Chevrolet Cavalier 3.1L MFI OHV 6cyl
    The Crankshaft Position Sensor is located under hood, center, rear engine area, passenger side

    of exhaust pipe, above oil pan, mounted in engine


  • ZJ Limited
    ZJ Limited Sep 25, 2009

    REMOVAL & INSTALLATION (Crankshaft Sprocket) - OHC Engines
    (see Figure 1)

    1. Remove the timing belt front cover.

    2. As outlined earlier, remove the timing belt.

    3. Unfasten the crankshaft sprocket-to-crankshaft attaching bolt and thrust washer, then remove the sprocket.

    Fig. Unfasten the bolt and thrust washer, then remove the crankshaft sprocket

    To install:

    1. Position the sprocket over the key on end of crankshaft.

    2. Install the thrust washer and the attaching bolt. Tighten to as follows:

      1982-83 vehicles: 115 ft. lbs. (156 Nm)

      1984-87 vehicles: 107 ft. lbs. plus a 45° rotation

      1988 vehicles: 96 ft. lbs. (130 Nm) plus a 45° rotation

      1989-94 vehicles: 114 ft. lbs. (154 Nm)

    3. Install the timing belt and adjust as previously described.

    4. Install the timing belt front cover.


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