Chevrolet Sonic Repair Manual: Intake Camshaft Replacement
- Removal Procedure
-
- Remove the camshaft intake and exhaust sprocket. Refer to Camshaft Intake and Exhaust Sprocket Replacement.
- Remove the camshaft bearing cap bolts in sequence shown. Ensure to remove the bolts one turn at a time until there is no spring tension pushing on the camshaft.
- Remove the camshaft bearing cap bolts (1).
- Remove the camshaft bearing caps (2).
- Remove the intake camshaft (3).
Note:
Mark the camshafts bearing caps and the camshaft upon removal to ensure installation is in the correct position.
- Installation Procedure
-
- Lubricate the camshaft and camshaft bearing caps with engine oil.
- Install the intake camshaft (3).
- Install the camshaft bearing caps (2).
- Install the camshaft bearing cap bolts and tighten the bolts hand tight (1).
- Install and tighten the camshaft bearing cap bolts one turn at a time
in sequence as shown to 8 Y (71 lb in)
.
- Install the camshaft intake and exhaust sprocket. Refer to Camshaft Intake and Exhaust Sprocket Replacement.
Note:
Ensure that the camshaft sealing rings are in place in the camshaft grooves. Camshaft sealing rings must be in place below the surface of the camshaft journal in order to avoid being pinched between the cylinder head and the camshaft caps.
Caution:
Refer to Fastener Caution.
Intake Camshaft Removal
Remove the camshaft bearing cap bolts in a spiral sequence as shown one
turn at a time until there is no spring tension pushing on the camshaft.
Note: Mind the markings on the ...
Camshaft Gears
...
Other materials:
Rear Brake Hose Replacement (Axle to Caliper)
Removal Procedure
Warning: Refer to Brake Dust Warning.
Warning: Refer to Brake Fluid Irritant Warning.
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
Remove the tire and wheel assembly. Refer to Tire and Wheel Removal
and Install ...
Crankshaft Balancer Installation
Special Tools
EN-470–B Angular Torque Wrench
EN-956?E Extension
EN-49979 Crankshaft Shock Mount Retainer
For equivalent regional tools, refer to Special Tools.
Note: The crankshaft balancer flange must fit to the hexagon of
the oil pump rotor (2) and to the two ...
Heated Oxygen and Oxygen Sensor Caution
Caution: Do not remove the pigtail from either the heated oxygen sensor
(HO2S) or the oxygen sensor (O2S). Removing the pigtail or the connector will
affect sensor operation.
Handle the oxygen sensor carefully. Do not drop the HO2S. Keep the in-line
electrical connector and the louver ...
0.005