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Chevrolet Sonic Repair Manual: Piston, Connecting Rod, and Bearing Installation

Chevrolet Sonic Repair Manual / Powertrain / Engine / Engine Block / Cylinder Block / Piston, Connecting Rod, and Bearing Installation

Special Tools

EN-470-B Angular Torque Wrench

For equivalent regional tools, refer to Special Tools.


    Adjust the piston ring joints as follows:
  1. Adjust the piston ring joints as follows:
    1. Upper compression ring (1).
    2. Lower compression ring (4).
    3. Oil rings (2) or (3).
    4. Oil ring spacer (5).

  2. The arrow (1) on the piston head must point to the timing side.
  3. The markings on the connecting rods (2) must point to the transmission side.

  4. Install a piston ring compressor to compress the piston rings.
  5. Install the pistons (1) in along with connecting rods (2) and upper connecting rod bearings (3) to the engine block and to the crankshaft.

    6. Note:

    The flarings (arrows) on the connecting rod bearing caps must point to the transmission side. The connecting rod bearing caps must be installed in their original position.

  6. Install the 2 connecting rod bearings and the 2 connecting rod bearing caps (2) of cylinder 1 and 4.

    7. Caution:

    Refer to Fastener Caution.

    Caution:

    Refer to Torque-to-Yield Fastener Caution.

    Note:

    Do not reuse the old bolts.

  7. Install the 4 NEW connecting rod bearing cap bolts (1) and tighten in the following sequence:
    1. Tighten the connecting rod bearing cap bolts to  25 Y (18 lb ft)

      .

    2. Tighten the connecting rod bearing cap bolts an additional 45 degrees. Use EN-470 B wrench.
  8. Rotate the crankshaft 180 degrees.

    9. Note:

    The flarings (arrows) on the connecting rod bearing caps must point to the transmission side. The connecting rod bearing caps must be installed in their original position.

  9. Install the 2 connecting rod bearings and the 2 connecting rod bearing caps (2) of cylinder 3 and 2.

    10. Note:

    Do not reuse the old bolts.

  10. Install the 4 NEW connecting rod bearing cap bolts (1) and tighten in the following sequence:
    1. Tighten the connecting rod bearing cap bolts to  25 Y (18 lb ft)

      .

    2. Tighten the connecting rod bearing cap bolts an additional 45 degrees. Use EN-470–B wrench.
Piston, Connecting Rod, and Bearing Cleaning and Inspection
Special Tools EN-470-B Angular Torque Wrench For equivalent regional tools, refer to Special Tools. Visual Inspection And Cleaning Procedure Connecting Rod Warning: Wear safety gla ...

Piston, Connecting Rod, and Bearing Removal
Install the crankshaft balancer bolt. Set the pistons 1 and 4 to TDC in direction of engine rotation. Note: Note cylinder sequence. Mark the connecting rod with the ...

Other materials:

Radio
Radio Controls without Touchscreen : Press to turn the system on or off. Turn to increase or decrease the volume. When the system is on, press and release to mute the system. Press and release again to turn the sound back on. RADIO/BAND: Press to choose FM, AM, or SiriusXM® (if equipped). ...

Battery Description and Operation
Warning: Batteries produce explosive gases, contain corrosive acid, and supply levels of electrical current high enough to cause burns. Therefore, to reduce the risk of personal injury when working near a battery: Always shield your eyes and avoid leaning over the battery whenever ...

Transmission Mount Bracket Replacement - Left Side
Removal Procedure Remove the left transmission mount. Refer to Transmission Mount Replacement - Left Side. Remove the three left transmission mount bracket to transmission bolts (1). Remove the left transmission mount bracket (2) from the transmis ...

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