2006 Chevrolet HHR Service and Repair Manual

This factory service and repair manual for the 2006 Chevrolet HHR covers a four-door wagon sold in four trims, Comfort LT, Elegance LT, LS and LT, with a choice of two twin-cam inline-fours: a 2.4L of 145 cubic inches and a 2.2L of 134, both naturally aspirated and gasoline-fueled. One body keeps the chassis and body material common, while the engine chapters split in two for timing, fuel, ignition and emissions specifications.

Engines covered

• 2.4L inline-four (145 cu in) — DOHC, naturally aspirated, gasoline
• 2.2L inline-four (134 cu in) — DOHC, naturally aspirated, gasoline

Body styles covered

• 4-door wagon

Trims covered

• Comfort LT
• Elegance LT
• LS
• LT

Known issues on the 2006 HHR. Six recalls are on the federal record for this year, and the heaviest concern the ignition and the restraints. The key can be withdrawn with the switch out of the off position, so the car can roll away; separately, weight hanging from the key ring can pull the switch out of run, stalling the engine and leaving the air bags unable to fire in the crash that follows. Another covers a passenger sensing system that aftermarket leather seat covers can confuse, arming or disabling the front bag wrongly. Of 1,006 complaints, 458 name the steering and 142 the electrical system, both diagrammed and diagnosed here.