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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1819 (Engine Mechanical - 3.5L (L66)) >> Repair Instructions >> On Vehicle Repair Instructions >> Timing Belt Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: The powertrain control module (PCM) has to perform the idle learn procedure under the following conditions:
    • Any operation or repair involving the crankshaft, the crankshaft position (CKP) sensor, or the CKP sensor-to-reluctor wheel gap relationship
    • Timing belt removal or replacement
    • PCM replacement
    • Throttle body removal or replacement
    • Engine assembly replacement
    Fig 1: View Of Timing Belt
    GM897044Courtesy of GENERAL MOTORS CORP.
  1. Install the timing belt (235). Refer to Timing Belt Installation .
  2. Install the timing belt cover. Refer to Timing Belt Cover Replacement .
  3. Perform the idle learn procedure. Refer to Idle Learn .
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