Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Timing Belt Installation

Special Tools

For equivalent regional tools, refer to Special Tools.



    Note:

    The timing belt drive gear and oil pump housing must align.

  1. Turn the crankshaft in the direction of engine rotation, by the crankshaft balancer bolt, to cylinder 1 TDC of combustion stroke.

  2. Note:

    The right half of the EN-6340 locking tool can be recognized by the lettering right, arrow, on the tool.

  3. Prepare the right half of the EN-6340 locking tool .
    1. Remove the 2 bolts (2).
    2. Detach the front panel (1) from the EN-6340 locking tool - right.


    Note:

    • The spot type marking (4) on the intake camshaft adjuster does not correspond to the groove of the EN-6340 locking tool - left (1) during this process, but must be somewhat above.
    • The spot type marking (3) on the exhaust camshaft adjuster must correspond to the groove on EN-6340 locking tool - right (2).
  4. Insert the EN-6340 locking tool - left (1) and the EN-6340 locking tool - right (2) in the camshaft adjuster.


  5. Note:

    Observe direction of rotation.

  6. Insert the timing belt (1).

  7. Apply tension to the timing belt tensioner (2) in the direction of the arrow, using an Allen key (1).
  8. Remove the EN-6333 locking pin  (3).
  9. Note:

    The timing belt tensioner moves automatically to the correct position.

  10. Release tension on timing belt tensioner.
  11. Remove the EN-6340 locking tool .
  12. Check position of the camshaft sprocket.
    1. Turn crankshaft 720° in the direction of engine rotation by the crankshaft balancer bolt.
    2. Note:

      Note the marking on the camshaft sprocket.

    3. Insert EN-6340 locking tool into camshaft sprockets.


    Note:

    The timing belt drive gear and oil pump housing must align.

  13. Check the crankshaft position.
Timing Belt Inspection
Special Tools EN-6340 Locking Tool EN-6628-A Locking Tool For equivalent regional tools, refer to Special Tools. Removal Procedure Remove the timing belt upper front cover. Ref ...

Timing Belt Lower Front Cover Installation
Caution: Refer to Fastener Caution. Install the timing belt cover (1) and tighten the 4 timing belt lower front cover bolts (2) to  6 Y (53 lb in ...

Other materials:

Tire Rotation and Required Services Every 12 000 km/ 7,500 mi
Rotate the tires, if recommended for the vehicle, and perform the following services. See Tire Rotation. Check engine oil level and oil life percentage. If needed, change engine oil and filter, and reset oil life system. See Engine Oil  and Engine Oil Life System. Check engine coo ...

Secondary Air Injection Pump Removal
Disconnect the secondary air injection pump pipe (3). Refer to Plastic Collar Quick Connect Fitting Service. Remove the secondary air injection pump nut (2) and the 2 secondary air injection pump bolts (4). Remove the secondary air injection pump (1 ...

Automatic Transmission Flex Plate Installation
Special Tools EN-652 Automatic Transmission Flex Plate Holder For equivalent regional tools, refer to Special Tools. Clean the automatic transmission flex plate bolt threads. Install the automatic transmission flex plate (2) and the EN-652 holder to hold the automatic tran ...

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