Question about Chevrolet TrailBlazer
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Posted on Jan 02, 2017
The Knock sensor on a 22re is located under the intake manifold on the engine block. to the upper left of the oil filter. With is the passenger side of the engine. I believe it is yellow in color. Not do be confused with the oil pressure sensor which is close by. The knock sensor has a larger electrical connector. Good luck it can be hard to get to.
Posted on May 06, 2009
Under intake manifold on top of block,you need to remove intake to access sensors there are two of them you can't miss them when intake is off. After replacing sensors you need a new intake gasket.
Posted on Apr 04, 2010
Click on this link to view the diagram. The sensor is #421 on this diagram. http://www.compnine.com/largeimg/060209TS00-410.gif
Posted on Mar 24, 2011
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The Crankshaft position sensor is located on the left rear of the engine block below the starter. it has an oval connector and is held in place by one bolt. See picture of sensor below (some models has a 45 degree connector, most are straight like the one pictured below.
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