Chevrolet Cobalt Service & Repair Manual: Fuel Pump, Replace
Removal
1. |
Relieve fuel system pressure as outlined
under "Precautions." |
3. |
Raise and support vehicle. |
4. |
Disconnect connector and remove fuel
pump module electrical harness. |
5. |
Disconnect EVAP vent valve solenoid
harness electrical connector from underbody wiring harness. |
6. |
Remove ABS wiring harness from retainer
on EVAP canister. |
7. |
Disconnect fuel feed and purge lines
from fuel and brake line bundle on righthand side of vehicle. |
8. |
Cap or plug fuel tank feed and vapor
lines to prevent fuel loss or contamination. |
9. |
Disconnect fuel filler pipe jumper
hose from fuel tank. |
10. |
Disconnect vapor recirculation line
runs parallel to fuel filler pipe jumper hose. |
11. |
Remove exhaust pipe and muffler insulators
from underbody hangers, then support exhaust system with suitable
jackstand. |
12. |
Support fuel tank using suitable jackstand. |
13. |
Remove lefthand and righthand fuel
tank strap bolts. |
14. |
Lower righthand side of tank until
it is clear of frame rail and remove tank toward righthand side
of vehicle. |
15. |
Remove fuel pump module assembly from
fuel tank using fuel sender lock ring wrench tool No. J 45722, or
equivalent. |
16. |
Reverse procedure to install. |
|
Removal
1.
Raise and support vehicle.
2.
Remove front fender liner.
3.
Turn drive belt tensioner clockwise.
...
Refer to Fig. 1
when performing the following procedure.
1.
Install the intake manifold bolts and
nuts finger tighten.
2.
...
See also:
Chevrolet Cobalt Service & Repair Manual. Operation
The desired yaw rate is calculated
from the position of the steering wheel, the speed of the vehicle and the
lateral, or sideways acceleration of the vehicle. The difference between
the desired yaw rate and the actual yaw rate is the yaw rate error, which
is a measurement of o ...