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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1814 (Engine Mechanical - 2.2L (L61)) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Piston, Connecting Rod, and Bearing Installation

Piston, Connecting Rod, and Bearing Installation

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.

Tools Required

    Fig 1: J-43966-1 Installed Into Connecting Rod Bolt Holes
    GM412431Courtesy of GENERAL MOTORS CORP.
  1. Install the connecting rod bearings. Use the proper size bearings.
    1. Install the bearing inserts into the connecting rod and the connecting rod cap.
    2. Lubricate the connecting rod bearings with engine oil.
  2. Install the J-43966-1  / J 41742  into the connecting rod bolt holes. See Special Tools . This protects the crankshaft journal during piston and connecting rod installation.
  3. Install the piston and the connecting rod to the correct bore.
    1. Stagger each piston ring end gap equally around the piston.
    2. Lubricate the piston and the piston rings with engine oil.
    3. Install J 8037  / J 43953  over the piston. See Special Tools . Do not disturb the piston ring end gap location.
    4. The piston must be installed so that the mark on the top of the piston faces the front of the engine.
    5. Place the piston in its matching bore.
    6. Tap the piston into its bore with a hammer handle. Guide the connecting rod to the connecting rod journal while tapping the piston into place.
    7. Hold the J 8037  / J 43953  against the engine block until all the rings have entered the cylinder bore. See Special Tools .
    8. Remove the connecting rod guides from the connecting rod bolt holes.
    4. Fig 2: View Of Connecting Rod Nuts And Caps
    GM412430Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Ensure that the connecting rod cap is properly oriented on the connecting rod.
  4. Install the connecting rod cap.
    5. NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  5. Install the connecting rod bolts. Always use new bolts.

    Tighten:  Tighten the connecting rod bolt nuts to 25 N.m (18 lb ft), then rotate 100 degrees using J 45059  . See Special Tools .

  6. Install the remaining connecting rods and piston assemblies.
    7. Fig 3: Measuring Connecting Rod Side Clearance
    GM465919Courtesy of GENERAL MOTORS CORP.
  7. Measure the connecting rod side clearance with a feeler gauge.

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

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