Chevrolet Trax: Power brake booster vacuum hose replacement
Removal Procedure
- With the engine OFF, apply and release the brake pedal several times to
deplete the power vacuum brake
booster vacuum reserve.
- Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle
.
Fig. 173: Power Brake Booster Vacuum Hose Quick Connect
- Through the left front wheelhouse, disconnect the power brake booster
vacuum hose quick connect (1)
from the power brake booster pump port.
- Lower the vehicle.
Fig. 174: Booster Vacuum Hose Quick Connect
- Disconnect the power brake booster vacuum hose quick connect (1) from
the intake manifold vacuum
port.
- Disconnect the power brake booster vacuum sensor electrical connector.
Fig. 175: Power Brake Booster Vacuum Sensor And Hose Assembly
- Remove the power brake booster vacuum sensor and hose assembly (1) from
the power vacuum brake
booster grommet.
Fig. 176: Power Brake Booster Vacuum Sensor
- Release the clamp and remove the power brake booster vacuum sensor (1).
- Remove the power brake booster vacuum hose assembly.
Installation Procedure
- Install the power brake booster vacuum hose assembly to the vehicle.
Fig. 177: Power Brake Booster Vacuum Sensor
NOTE: A small amount of denatured alcohol may be used as a
lubricant for
assembly.
- Release the clamp and install the power brake booster vacuum sensor (1).
Fig. 178: Power Brake Booster Vacuum Sensor And Hose Assembly
NOTE: A small amount of denatured alcohol may be used as a
lubricant for
assembly.
- Install the power brake booster vacuum sensor and hose assembly (1) to
the power vacuum brake booster
grommet.
- Connect the power brake booster vacuum sensor electrical connector.
Fig. 179: Booster Vacuum Hose Quick Connect
- Connect the power brake booster vacuum hose quick connect (1) to the
intake manifold vacuum port.
- Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle
.
Fig. 180: Power Brake Booster Vacuum Hose Quick Connect
- Through the left front wheelhouse, connect the power brake booster
vacuum hose quick connect (1) to the
power brake booster pump port.
READ NEXT:
Removal Procedure
With the engine OFF, apply and release the brake pedal several times
until the brake pedal becomes firm
to deplete the power brake booster vacuum reserve.
Remove the battery tr
Removal Procedure
Remove the power brake booster pump assembly. Refer to Power Brake
Booster Pump Replacement.
Fig. 187: Power Brake Booster Pump
Disconnect the power brake booster pump vent
SEE MORE:
Ignition OFF, exterior lamps OFF, trunk latch latched, remove the E5AB
Tail/Stop Lamp - Right bulb.
Test for less than 5 ohms between the ground circuit at the socket
terminal and ground.
If 5 ohms or greater
Ignition OFF.
Test for less than 2 ohms in the ground circuit end to end.
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
DTC Descriptors
D