Chevrolet Sonic Repair Manual: Fuel Injection Fuel Rail Assembly Replacement
- Removal Procedure
-
- Disconnect battery negative cable. Refer to Battery Negative Cable Disconnection
and Connection.
- Remove engine cover. Refer to Engine Cover Replacement.
- Remove the fuel feed pipe from fuel injection fuel rail. Refer to Fuel
Feed Pipe Replacement.
- Remove the positive crankcase ventilation pipe from the intake manifold.
Refer to Positive Crankcase Ventilation Pipe Removal.
.............,hi
- Disconnect the 4 fuel injector wiring harness plugs (2).
- Unclip the ECM wiring harness from retainer clips (1) and the camshaft
cover.
- Remove the ground cable nut (2) and the ground cable.
- Remove the 2 fuel injection fuel rail bolts (1).
- Remove the fuel injection fuel rail assembly (1) and the 4 fuel injector
seal rings (2).
- Installation Procedure
-
Note:
Lubricate the 4 fuel injector seal rings (2) with clean
engine oil.
- Install the fuel injection fuel rail assembly (1) to the intake manifold.
Use NEW fuel injector seal rings (2).
Caution:
Refer to Fastener Caution.
- Install the 2 fuel injection fuel rail bolts (1) and tighten to
7 Y (62 lb in)
.
- Install the ground cable and the ground cable nut (2) and tighten.
.............,hi
- Connect the 4 fuel injector wiring harness plugs (2).
- Clip the ECM wiring harness to the retainer clip (1) and the camshaft
cover.
- Remove the positive crankcase ventilation pipe from the intake manifold.
Refer to Positive Crankcase Ventilation Pipe Removal.
- Install the fuel feed pipe to the fuel injection fuel rail. Refer to
Fuel Feed Pipe Replacement.
- Install the engine sight shield. Refer to Engine Cover Replacement.
- Connect battery negative cable. Refer to Battery Negative Cable Disconnection
and Connection.
Special Tools
EN-48279 Fuel Sender Lock Ring Wrench
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Relieve the fuel system pressure. Refer to Fuel Pressure ...
Warning: Refer to Gasoline/Gasoline Vapors Warning.
Note: The fuel tank must be drained with a suitable, commercially-available
fuel removal unit and suction hose - follow safety ...
Other materials:
Spare Tire Kit Installation
Installation Instructions Part Number
95280943
Procedure
...
Crankshaft Rear Oil Seal Replacement
Special Tools
EN-658 Rear Main Seal Installer
For equivalent regional tools, refer to Special Tools.
Removal Procedure
If equipped with automatic transmission, remove the flex plate. Refer
to Automatic Transmission Flex Plate Replacement.
If equipped with a manual transmis ...
Throttle Actuator Control (TAC) System Description
acceleratorpedalassemblyi/pappsensor1appsensor2ignitionvoltage(ifequipped)cruisecontrolswitch(ifequipped)(ifequipped)throttlebodybcmtpsensor1tpsensorreducedenginepowerlampthrottleactuatormotor
The engine control module (ECM) is the control center for the throttle actuator
control (TAC) system. ...
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