Saturday, October 22, 2011

How to replace Knock sensor on 1990 Chevrolet Lumina?

On Chevrolet Lumina, the knock sensor is located on the side of the block near the starter.

To replace Knock sensor the Chevy has to be raised and sensor has to be replaced from under the car.
Its not very easy procedure, but you can do it with proper procedure.
For detailed procedure with diagrams, read as follows:---

Knock Sensor ReplacementRemoval Procedure
    Object Number: 15945  Size: SH  Disconnect the negative battery cable. Raise the vehicle.. Disconnect the knock sensor wiring harness connector from knock sensor. Remove the knock sensor from engine block.Installation Procedure Important: Do Not apply thread sealant to sensor threads. The sensor is coated at factory and applying additional sealant will affect the sensor's ability to detect detonation.
    Object Number: 15945  Size: SH  Install the knock sensor into engine block. Connect the knock sensor wiring harness connector to the knock sensor. Lower the vehicle. Reconnect the negative battery cable.
the above mentioned procedure will help you to get the Knock sensor replaced.

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For more car related problem troubleshooting:---

This are the sections, you can go through and click the link to read its troubleshooting.

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The car will not start?

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Car will not crank?


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Car has no spark?


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How to troubleshoot car battery?

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How to test starter solenoid?

http://schematicsdiagram.blogspot.com/2011/06/how-to-test-starter-solenoid.html

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How to test cars starter?

http://schematicsdiagram.blogspot.com/2011/06/how-to-test-cars-starter.html

How to replace starter in car?

http://schematicsdiagram.blogspot.com/2011/06/how-to-replace-starter-in-car.html