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2007 Buick Terraza Problems

RepairPal has identified the most common problems with the 2007 Buick Terraza based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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10
Known Problems

The 2005-2007 Buick Terraza is known to have issues with the EVAP system, a part of your emission control system.

The EVAP canister vent valve or valve solenoid wiring may fail causing illumination of the check engine light, setting code P0446, and problems filling the tank with fuel.

To correct the issue, the EVAP canister vent valve, solenoid, and wiring must be inspected. The most common fix is replacement of the wiring connector or replacement of the vent valve assembly.

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

You may be able to prevent transmission problems by servicing the transmission and inspecting the fluid every 30,000 miles. If the fluid is dark or burned, the transmission system should be completely flushed.

The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time.

Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.

The high pressure power steering hose will commonly leak fluid and should be replaced if this is the case.

The front struts may show signs of wear, or be excessively bouncy ride at freeway speeds. This may begin to occur at around 75,000 miles.

Front brake rotors can wear causing a pulsation felt in the brake pedal. Our technicians often recommend replacement of the front rotors and brake pads as the best option to correct this condition.

Brake fluid can become dirty and may cause problems in the brake system; it should be flushed every 60,000 miles.