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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1923 (Engine Mechanical - 2.4L) >> Repair Instructions - On Vehicle >> Piston, Connecting Rod, and Bearing Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Coat the following parts with engine oil:
    • The piston
    • The piston rings
    • The cylinder bore
    • The bearing surfaces
    2. Fig 1: J-43966-1 Installed Into Connecting Rod Bolt Holes
    GM412431Courtesy of GENERAL MOTORS CORP.
  2. Install the piston into its original bore using the J-43966-1  . See Special Tools .
    3. Fig 2: Installing Piston & Connecting Rod Assembly Into Engine
    GM5159Courtesy of GENERAL MOTORS CORP.
  3. Lightly tap the top of the piston with a wooden hammer handle.
  4. When installing the piston and the connecting rod, the stamped mark on the piston must point to the front of the engine.
  5. Hold the EN-47836  firmly against the engine block until all the piston rings have entered the cylinder bore. See Special Tools .
  6. Install the connecting rod caps onto their original connecting rods.
  7. Align the numbers placed on the connecting rod and the connecting rod cap during removal.
    8. CAUTION: Refer to Fastener Caution .
  8. Install the new connecting rod bolts and nuts.
    • On the first pass, tighten the nuts evenly to 25 N.m (18 lb ft).
    • On the final pass, use the J 45059  in order to tighten the nuts an additional 100 degrees. See Special Tools .
    9. Fig 3: Measuring Connecting Rod Side Clearance
    GM465919Courtesy of GENERAL MOTORS CORP.
  9. Measure the connecting rod side clearance with a feeler gage.

    The correct clearance is 0.070-0.370 mm (0.0027-0.0145 in).

  10. Install the cylinder head. Refer to Cylinder Head Replacement .
  11. Install the oil pan. Refer to Oil Pan Replacement (LAT)  or Oil Pan Replacement (LE5) .
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