Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Engine Front Cover and Oil Pump Installation

Chevrolet Sonic Repair Manual / Powertrain / Engine / Engine Block / Cylinder Block / Engine Front Cover and Oil Pump Installation

Special Tools

For equivalent regional tools, refer to Special Tools.



    Note:

    Mind the guide sleeves when installing engine front cover.

  1. Install the engine front cover (3).
  2. Install the 13 engine front cover bolts M6 (1).
  3. Install the 2 engine front cover bolts M10 (2).
  4. Caution:

    Refer to Fastener Caution.

  5. Tighten the 13 engine front cover bolts M6 to 8 Y (71 lb in)

    .

  6. Tighten the 2 engine front cover bolts M10 to 35 Y (26 lb ft)

    .

Camshaft Sprocket Fastening


    Note:

    Push the fixing tool in the direction of the arrow to ensure it fully engages.

  1. Install EN-49977-200 fixing tool (2) and ensure that the gearing of the fixing tool engages with the intake camshaft sprocket gearing (1).


  2. Tighten the 2 fastening bolts (1) of EN-49977-200 fixing tool while pushing the fixing tool in direction of the arrow.
  3. Tighten the adjuster bolt (2).

  4. Note:

    A wrong installation position is possible. Make sure that the holding tool is fully installed to the cylinder head in areas (3) and (5).

  5. Install EN-49977?E00 transmitter disc holder (2) to find and hold the correct position of the camshaft position exciter wheels.
  6. Tighten the fastening bolts (6) of EN-49977-100 transmitter disc holder.
  7. Caution:

    Refer to Fastener Caution.

    Caution:

    Refer to Torque-to-Yield Fastener Caution.

  8. Tighten the NEW intake camshaft sprocket bolt (4) while holding the hexagon (1) of the intake camshaft to 50 Y (37 lb ft)

    .

  9. Tighten the intake camshaft sprocket bolt (4) while holding the hexagon (1) of the intake camshaft to an additional 60 degrees

    .

  10. Tighten the NEW exhaust camshaft sprocket bolt while holding the hexagon of the exhaust camshaft to 50 Y (37 lb ft)

    .

  11. Tighten the exhaust camshaft sprocket bolt while holding the hexagon of the exhaust camshaft to an additional 60 degrees

    .

  12. Remove EN-49977-100 transmitter disc holder and EN-49977-200 fixing tool.
Upper Timing Chain Guide Installation

    Install the upper timing chain guide (2).
  1. Install the upper timing chain guide (2).
  2. Install the 2 upper timing chain guide bolts (1) and tighten to 8 Y (71 lb in)

    .

  3. Remove EN-953-A fixing tool and EN-952 fixing pin.
  4. Install crankshaft bearing cap tie plate hole plug and seal ring and tighten to 50 Y (37 lb ft)

    .

Engine Front Cover and Oil Pump Disassemble
Engine Front Cover Disassemble Remove the intake camshaft position sensor bolt (1). Remove the intake camshaft position sensor (2) and the seal ring (3). ...

Engine Front Cover and Oil Pump Removal
Set engine to TDC. Refer to Camshaft Timing Chain Inspection. Remove the 13 engine front cover bolts M6 (1). Remove the 2 engine front cover bolts M10 (2). ...

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