Chevrolet Sonic Repair Manual: Engine Front Cover and Oil Pump Disassemble
- Engine Front Cover Disassemble
-
- Remove the intake camshaft position sensor bolt (1).
- Remove the intake camshaft position sensor (2) and the seal ring (3).
- Remove the exhaust camshaft position sensor bolt (6).
- Remove the exhaust camshaft position sensor (5) and the seal ring (4).
- Remove the oil pressure relief valve (7, 8 and 9)
- Remove the crankshaft front oil seal (10).
- Oil Pump Removal
-
- Remove the 8 oil pump cover bolts (1).
- Remove the oil pump cover (2).
- Protect the engine front cover edge (1) with a suitable piece of plastic.
- Compress the oil pump slide spring with a screw driver and remove the oil pump slide spring along with the oil pump slide spring pin.
- Remove the oil pump components in the following order:
- Outer oil pump vane ring (1).
- Oil pump vane rotor (3) and the 7 oil pump vanes (2).
- Inner oil pump vane ring (6).
- Oil pump slide (4) and the 2 oil pump slide seals with the 2 oil pump slide seal springs (5).
Warning:
Before removing the spring, cover the spring with a towel to prevent the spring from flying and possibly causing damage or personal injury.
Note:
Position a screw driver between the oil pump slide spring windings (2).
Note:
Mind the installation position of the oil pump components.
Engine Front Cover and Oil Pump Cleaning and Inspection
Engine Front Cover Cleaning Procedure
Clean the engine front cover sealing surface.
Warning: Wear safety glasses when using compressed air in
order to prevent eye injury. ...
Engine Front Cover and Oil Pump Installation
Special Tools
EN-952 Fixing Pin
EN-953-A Fixing Tool
EN-49977-100 Transmitter Disc Fixation
EN-49977-200 Fixing Tool
For equivalent regional tools, refer to Special Tools.
...
Other materials:
Vehicle Yaw Sensor Replacement
Vehicle Yaw Sensor Replacement
Callout
Component Name
Preliminary Procedures
Turn the ignition OFF.
Remove the front floor console. Refer to Front Floor Console Replacement.
1
Yaw Sensor Nut ...
Cleanliness and Care
An automobile engine is a combination of many machined, honed, polished, and
lapped surfaces with tolerances that are measured in ten thousandths of an inch.
When any internal engine parts are serviced, care and cleanliness are important.
A liberal coating of engine oil should be applied to fr ...
Oil Pan Removal
Remove the 16 oil pan bolts (1).
Caution: Pry the oil pan carefully in order to prevent damage
to the transaxle case or the oil pan sealing surfaces.
Place a suitable prying tool to the area shown (1) and carefully pry the
oil pan loose.
R ...
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