Chevrolet Sonic Repair Manual: Camshaft Replacement
Special Tools
EN-422 Installer
For equivalent regional tools, refer to Special Tools.
- Removal Procedure
-
- Remove the timing belt rear cover (1). Refer to Timing Belt Rear Cover Replacement.
- Remove the camshaft position solenoid valve housing bolts (1) and housing (2).
- Remove the camshaft cap bolts in sequence (1, 4, 2, 3).
- Remove the camshaft caps.
- Remove the exhaust camshaft (1) and intake camshaft (3) as necessary.
- Remove exhaust camshaft seal (2) and intake camshaft seal (4) as necessary.
Note:
Take extreme care to prevent any scratches, nicks or damage to the camshafts and caps bearing surfaces.
Note:
Mark the camshafts upon removal to ensure installation is in the correct position.
Note:
The camshaft seal MUST be replaced whenever the camshaft is removed.
- Installation Procedure
-
- Coat and lubricate the camshaft bearing and cam surfaces with clean engine oil.
- Apply sealant to the surface (1) of the 1st camshaft bearing cap.
- Install the exhaust camshaft (1) and intake camshaft (2) on the cylinder head.
- Install the camshaft bearing caps in sequence (2, 3, 1, 4) Tighten the
camshaft bearing cap bolts to 8 Y (71 lb in)
.
- Install the camshaft position solenoid valve housing (2) and camshaft
position solenoid valve housing bolts (1). Tighten the bolts to 8 Y (71 lb in)
.
- Install the new camshaft oil seal rings using EN-422 installer .
- Install the timing belt rear cover (1) and tighten the bolts (2) to
6 Y (53 lb in)
. Refer to Timing Belt Rear Cover Replacement.
Note:
It is essential to ensure that no sealant is applied outside the marked sealing areas.
Caution:
Refer to Fastener Caution.
Camshaft Removal
Note: Note removal sequence 1?E.
Remove the 4 camshaft bearing cap bolts.
Note: Release the bearing support by striking it gently with a
plastic hammer.
...
Exhaust Camshaft Installation
Note: Mind the markings on the camshaft bearing caps. Camshaft
bearing caps should be installed in their original position.
Lubricate camshaft and camshaft bearing caps with eng ...
Other materials:
Rear Side Door Check Link Replacement
Rear Side Door Check Link Replacement
Callout
Component Name
Preliminary Procedures
Move the window to the full up position.
Remove the rear side door trim panel. Refer to Rear Side Door Trim
Replacement
...
Tire and Wheel Removal and Installation
Special Tools
CH-41013 Rotor Resurfacing Kit
CH-42450-A Wheel Hub Resurfacing Kit
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
Remove the wheel cover, if equipped.
...
Tire-to-Wheel Match-Mounting (Vectoring)
Note: After remounting a tire to a wheel or after replacing a tire
and/or a wheel, remeasure the tire and wheel assembly runout in order to verify
that the amount of runout has been reduced and brought to within tolerances.
Ensure that the tire and wheel assembly is properly balanced ...
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