Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2008HHR LT, 2.4 P, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 199 (VSA (VEHICLE STABILITY ASSIST) SYSTEM COMPONENTS)VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATIONINSTALLATION

2008 Chevrolet HHR LT, 2.4 P, Automatic

VSA Modulator-Control Unit Removal and Installation: Installation

2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION Installation

WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.

Install the VSA modulator-control unit onto the bracket.
Install the bracket with the VSA modulator-control unit to the body.
Reconnect the six brake lines, then tighten the flare nuts to the specified torque.
Align the connecting surface of the VSA modulator-control unit 47P connector to the VSA modulator-control unit.
Pull up the lever of the VSA modulator-control unit 47P connector, then confirm the connector is fully seated.
Bleed the brake system (see BRAKE SYSTEM BLEEDING ).
Do the VSA sensor neutral position memorization procedure (see YAW RATE-LATERAL ACCELERATION SENSOR REPLACEMENT ).
Start the engine, and check that the ABS and the VSA indicators go off.
Test-drive the vehicle, and make sure that the ABS and the VSA indicators do not come on.

NOTE: If the brake pedal is spongy, there may be air trapped in the modulator which could then be induced into the normal brake system during modulation. Bleed the brake system again (see BRAKE SYSTEM BLEEDING ).

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.