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:

Off-Road Recovery
The vehicle's right wheels can drop off the edge of a road onto the shoulder while driving. Follow these tips: 1. Ease off the accelerator and then, if there is nothing in the way, steer the vehicle so that it straddles the edge of the pavement. 2. Turn the steering wheel about one-eight ...

Throttle Body Assembly Installation
Install a NEW throttle body seal. Install the throttle body (1). Caution: Refer to Fastener Caution. Install the 4 throttle body bolts (2) and tighten to  8 Y (71 lb in). ...

Lock Cylinder Coding - Ignition
The ignition lock cylinder uses 8 key cut positions, 1?E. The ignition cylinder tumblers (3) are located on alternate sides of the cylinder (5). They are not snap-in and are not self-retaining. It follows the key code with the first tumbler being the first depth of the ke ...

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