Chevrolet Sonic Repair Manual: 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. Refer to Timing Belt Upper
Front Cover Removal.
- Set the crankshaft balancer in the direction of the engine rotation
to "1st cylinder TDC" (mark 1).
- Remove the camshaft cover. Refer to Camshaft Cover Removal.
Note:
The right half of the EN-6340 locking tool can
be recognized by the lettering “right?E arrow, on the tool.
- Prepare the right half of the EN-6340 locking tool .
- Remove the 2 bolts (2).
- Remove the front panel (1) from the EN-6340 locking tool
-right.
Note:
- The spot type marking (4) on the intake camshaft position actuator
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 position actuator
adjuster must correspond to the groove on EN-6340 locking
tool - right (2).
- Insert the EN-6340 locking tool - left (1) and the EN-6340
locking tool - right (2) in the camshaft position actuator adjuster.
Note:
If the EN-6628-A locking tool cannot be inserted,
the timing must be set.
- Align the camshafts horizontally by the hexagon (arrows) until the
EN-6628-A locking tool can be inserted in both camshafts.
- Insert the EN-6628-A locking tool (1) into the camshafts.
- Installation Procedure
-
- Remove the EN-6628-A locking tool .
- Remove the EN-6340 locking tool .
- Install the camshaft cover. Refer to Camshaft Cover Installation.
- Install the timing belt upper front cover. Refer to Timing Belt Upper
Front Cover Installation.
Timing Belt Center Front Cover Replacement
Callout
Component Name
Preliminary Procedure
Remove the timing belt upper front cover. R ...
Special Tools
EN-6333 Locking Pin
EN-6340 Locking Tool
For equivalent regional tools, refer to Special Tools.
Note: The timing belt drive gear and oil pump housing must align.
...
Other materials:
Oil Pump Cleaning and Inspection
Remove the external rotor with the internal rotor.
Visually inspect the components.
Install the external and the internal rotors.
Inspect the axial clearance of the rotors in respect to the control unit
housing upper edge.
Specifications
Permissible measurement is 0.02?E.058 ...
Camshaft Actuator System Description
Camshaft Actuator System Overview
(1)
Camshaft Actuator Vane
(2)
Timing Chain Sprocket
(3)
Engine Oil Pressure-For retarding the camshaft
(4)
Camshaft
(5)
Input Signals from Engine Sen ...
Timing Belt Adjustment
Special Tools
EN-652 Flywheel Holder
EN-6333 Locking Pin
EN-6340 Locking Tool
EN-6628-A Locking Tool
EN-45059 Torque Angle Sensor Kit
For equivalent regional tool, refer to Special Tools.
Removal Procedure
Remove the timing belt upper front cover. Refer to Timing Bel ...
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