LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2021 >> Blazer RS, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 2.0L (LSY)) >> Repair Instructions >> Piston and Connecting Rod Removal and Installation >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Coat the following components with engine oil:
    • Pistons
    • Connecting rods
    • Cylinder bores
    • Connecting rod bearings
  2. GM5027415Courtesy of GENERAL MOTORS COMPANY

    The arrow on the top of the pistons (1) must point to the timing side.

  3. GM5027410Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • If the old piston and connecting rod will be reused, install to their original position.
    • The arrow on the top of the piston and the marks of the piston and connecting rod, must point to the timing side.
    • The mark (1) must point to the engine intake side.

    Install a piston ring compressor in order to compress the piston rings.

  4. Install the 2 pistons (2) and the 2 connecting rods along (4) with the connecting rod upper bearing to the cylinder 1 and the cylinder 4, using EN-51454  Connecting Rod Guides (3).
  5. GM5027402Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • If the old connecting rod bearing caps will be reused, install in their original position.
    • The mark (4) must point to the engine intake side.

    Install the 2 connecting rod bearing caps (2) along with the 2 connecting rod lower bearings (1) to the cylinder 1 and the cylinder 4.

    6. CAUTION:

    Refer to Fastener Caution .

    CAUTION:

    Refer to Torque-to-Yield Fastener Caution .

  6. Install 4 NEW connecting rod bolts (3) and tighten. Fastener Specifications 
  7. Turn the crankshaft 180 degrees.
  8. GM5027412Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • If the old piston and connecting rod will be reused, install to their original position.
    • The arrow on the top of the piston and the marks of the piston and connecting rod, must point to the timing side.
    • The mark (1) must point to the engine intake side.

    Install a piston ring compressor in order to compress the piston rings.

  9. Install the 2 pistons (2) and the 2 connecting rods along with the connecting rod upper bearing (4) to the cylinder 2 and the cylinder 3, using EN-51454  Connecting Rod Guides (3).
  10. GM5027404Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • If the old connecting rod bearing caps will be reused, install to their original position.
    • The mark (3) must point to the engine intake side.

    Install the 2 connecting rod bearing caps (2) along with the 2 connecting rod lower bearings (1) to the cylinder 2 and the cylinder 3.

  11. Install 4 NEW connecting rod bolts (4) and tighten. Fastener Specifications 
  12. Cylinder Head - Install - Cylinder Head Replacement 
  13. Engine - Install - Engine Replacement (FWD) , or Engine Replacement (AWD) 
scientia non olet · About LEMON Manuals