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:
Steering Linkage Outer Tie Rod Replacement
Steering Linkage Outer Tie Rod Replacement
Callout
Component Name
Preliminary Procedures
Raise and support the vehicle. Refer to Lifting and Jacking the
Vehicle.
Remove the front tire and wheel assembly. Refer to Tire and ...
Radiator Cleaning
Warning: NEVER spray water on a hot heat exchanger. The resulting
steam could cause personal injury.
Caution: The heat exchanger fins are necessary for good heat transfer.
Do not brush the fins. This may cause damage to the fins, reducing heat transfer.
Note: Blow compressed ...
Fluid Cooler Outlet Hose Replacement
Removal Procedure
Remove the front bumper fascia opening lower cover.
Refer to Front Bumper Fascia Opening Lower Cover
Replacement
Remove the front wheelhouse liner inner front extension.
Refer to Front Wheelhouse Liner Inner Front Extension
Replacement
...
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