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2007 Chevrolet HHR Problems

RepairPal has identified the most common problems with the 2007 Chevrolet HHR 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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4
Known Problems

GM recommends replacing the engine coolant at 100,000 miles; however, our technicians tell us that the coolant may become contaminated and require a complete cooling system flush every 60,000 to 70,000 miles.

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

A Loose or worn gas cap may cause Check Engine Light to illuminate.