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Home >> Chevrolet >> 2021 >> Blazer L >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 2.5L (LCV) - Repair Instructions >> Repair Instructions >> Crankshaft Position Sensor Replacement
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Crankshaft Position Sensor Replacement

GM3829478Courtesy of GENERAL MOTORS COMPANY
Callout Component Name

Preliminary Procedures

  1. Starter Replacement (LCV)
  2. Disconnect the electrical connector.
1 Crankshaft Position Sensor Fastener
CAUTION:

Refer to Fastener Caution .


Tighten 
10 N.m (89 lb in)
2 Crankshaft Position Sensor

Procedure

  1. If reusing the OLD sensor, install a NEW seal.
  2. Perform the crankshaft position variation learn. Crankshaft Position Variation Learn 
NOTE:

A NEW sensor will come with a NEW seal.