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Home >> Chevrolet >> 2017 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Mechanical - 1.8L (LKN)) >> Repair Instructions - Off Vehicle >> Piston, Connecting Rod and Bearing Removal

Piston, Connecting Rod and Bearing Removal

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  1. Mark the connecting rod with the connecting rod bearing cover (1).
    Fig 1: Mark The Connecting Rod With Connecting Rod Bearing Cover
    GM3213170Courtesy of GENERAL MOTORS COMPANY
    NOTE: Note the cylinder sequence.
  2. Set the crankshaft to TDC of combustion stroke of cylinder 1.
    Fig 2: Connecting Rod Bearings, Caps And Bolts
    GM3213171Courtesy of GENERAL MOTORS COMPANY
  3. Remove and DISCARD the 4 connecting rod bearing cap bolts (3) from the cylinder 2 and 3.
  4. Remove the 2 connecting rod bearing caps (2) from the cylinder 2 and 3.
    NOTE: The shear surfaces of the connecting rod and the connecting rod bearing cap form a unique fit and must not be swapped or damaged. Do not lay down on the shear surfaces.
  5. Remove the 2 connecting rod lower bearings (1).
    NOTE: Set aside in the order removed.
  6. Push the 2 pistons with the connecting rod (2) from the cylinder 2 and 3 upwards.
    Fig 3: Rod Bearings
    GM3213175Courtesy of GENERAL MOTORS COMPANY
  7. Remove the 2 connecting rod upper bearings (1) from the cylinder 2 and 3.
  8. Turn the crankshaft through 180 degrees and set the crankshaft to TDC of combustion stroke of cylinder 2.
  9. Remove and DISCARD the 4 connecting rod bearing cap bolts (3) from the cylinder 1 and 4.
    Fig 4: Connecting Rod Bearings, Caps And Bolts
    GM3213168Courtesy of GENERAL MOTORS COMPANY
  10. Remove the 2 connecting rod bearing caps (2) from the cylinder 1 and 4.
    NOTE: The shear surfaces of the connecting rod and the connecting rod bearing cap form a unique fit and must not be swapped or damaged. Do not lay down on the shear surfaces.
  11. Remove the 2 connecting rod lower bearings (1).
    NOTE: Set aside in the order removed.
  12. Push the 2 pistons with connecting rod (2) from the cylinder 1 and 4 upwards.
    Fig 5: Rod And Bearings
    GM3213173Courtesy of GENERAL MOTORS COMPANY
  13. Remove the 2 connecting rod upper bearings (1) from the cylinder 1 and 4.
    NOTE: Set aside in the order removed.