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.
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Other materials:
SIR Identification Views
The SIR Identification Views shown below illustrate the approximate location
of all SIR components available for the vehicle. This will assist in determining
the appropriate SIR Disabling and Enabling for a given service procedure, refer
to SIR Disabling and Enabling.
Supplemental Inf ...
Exhaust Rear Muffler Heat Shield Replacement
Exhaust Rear Muffler Heat Shield Replacement
Callout
Component Name
Preliminary Procedure
Disconnect the exhaust system hangers in the rear and allow the exhaust
system to rest on the rear axle.
1
...
Electronic Ignition System Description
Electronic Ignition System Operation
The electronic ignition system produces and controls the high energy secondary
spark. This spark ignites the compressed air/fuel mixture at precisely the correct
time, providing optimal performance, fuel economy, and control of exhaust emissions.
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