🏷️ Basic Information

Make:

Chevrolet

Model:

HHR

Model Variant:

Chevy HHR

Year:

2008

Platform:

GM Delta II

👋 Introduction

Market Position:

The Chevrolet HHR occupied a niche market as a retro-styled compact car with versatile utility, often appealing to buyers seeking a distinctive look and practical cargo space, somewhat reminiscent of classic American station wagons and urban utility vehicles.

Competitive Analysis:

Competed in the compact car segment against vehicles like the Chrysler PT Cruiser (its primary stylistic competitor), Scion xB, and Mini Cooper, as well as more conventional compacts from Honda (Civic), Toyota (Corolla), and Ford (Focus).

Key Features:

Unique retro styling, spacious interior for its class, flexible cargo configurations, available turbocharged engine option (SS model), front-wheel drive.

📋 Manual Details

Coverage Areas:

All models, engines, trim levels, and transmission types for the 2008 Chevrolet HHR.

Page Count:

Not specified, but described as 'Complete Workshop Service Repair Manual' covering 'every Service & Repair Procedure A-Z'.

Manual Type:

Workshop Service Repair Manual

Language:

English

Format:

Downloadable Digital Format (PDF compatible)

📖 Manual Coverage

Systems Covered:

Engine mechanical, engine performance, fuel system, exhaust system, cooling system, lubrication system, ignition system, starting system, charging system, manual transmission, automatic transmission, clutch, driveline, propeller shaft, drive shafts, axles, suspension (front and rear), steering system, braking system (front and rear brakes, ABS, EBD), wheels and tires, body panels and structure, interior trim, exterior trim, HVAC system, electrical system (wiring diagrams, components), lighting, audio system, safety systems (airbags, seatbelts), body control module, instrument cluster, diagnostic procedures, troubleshooting.

Procedures Included:

Routine maintenance, scheduled maintenance, major repairs, minor repairs, component replacement, system diagnostics, troubleshooting common issues, component testing, torque specifications, disassembly and assembly procedures, wiring repair, body repair, interior repair, HVAC servicing, brake bleeding, suspension alignment, engine tune-up, transmission fluid change, spark plug replacement, filter replacement, diagnostic trouble code (DTC) interpretation and resolution.

Technical Depth:

Comprehensive, from basic maintenance tasks to advanced diagnostic and repair procedures. Includes step-by-step instructions with illustrations and diagrams, enabling DIY mechanics and professional technicians alike.

📊 Manual Specifications

File Format:

PDF (Portable Document Format), compatible with Adobe Reader.

Print Quality:

High quality, suitable for printing individual pages, chapters, or the entire manual.

Binding Type:

Not applicable (downloadable format).

Paper Type:

Not applicable (digital format).

⚙️ Engine Specifications

Primary Engine 2.2L:

Ecotec 2.2L DOHC I4 (LU9)

Engine 2.2L Horsepower:

149 hp @ 5600 rpm (approx.)

Engine 2.2L Torque:

150 lb-ft @ 4000 rpm (approx.)

Optional Engine 2.4L:

Ecotec 2.4L DOHC I4 (LE5)

Engine 2.4L Horsepower:

172 hp @ 6200 rpm (approx.)

Engine 2.4L Torque:

165 lb-ft @ 4800 rpm (approx.)

Engine Ss Turbocharged:

2.0L Ecotec Turbocharged DOHC I4 (LSJ)

Engine Ss Turbo Horsepower:

260 hp @ 5300 rpm (approx.)

Engine Ss Turbo Torque:

260 lb-ft @ 2500 rpm (approx.)

Fuel System:

Multi-port Fuel Injection (MPFI)

Engine Management System:

GM ECU (Engine Control Unit) with OBD-II diagnostics.

Ignition System:

Distributorless Ignition System (DIS) with coil-on-plug.

Emission Controls:

Catalytic converter, Oxygen sensors (O2 sensors), Exhaust Gas Recirculation (EGR) system (where applicable).

🔧 Transmission

Standard Transmission 2.2L:

5-speed Manual Transmission (MG2)

Standard Transmission 2.4L:

4-speed Automatic Transmission (4T45-E)

Optional Transmission 2.4L:

5-speed Manual Transmission (MG2)

Optional Transmission Ss:

5-speed Manual Transmission (MM5 - specifically for SS)

Transmission Features Automatic:

Electronic shift control, overdrive.

📐 Dimensions

Exterior Length:

168.9 inches (approx.)

Exterior Width:

69.5 inches (approx.)

Exterior Height:

63.1 inches (approx.)

Wheelbase:

103.6 inches (approx.)

Interior Passenger Volume:

95.5 cu ft (approx.)

Cargo Volume Seats Up:

25.9 cu ft (approx.)

Cargo Volume Seats Down:

62.7 cu ft (approx.)

Curb Weight Base Model:

3034 lbs (approx.)

Gross Vehicle Weight Rating:

4079 lbs (approx.)

🛡️ Safety Features

NHTSA Frontal Driver Impact:

5-star (for 2007 model year, generally representative for 2008)

NHTSA Frontal Passenger Impact:

5-star (for 2007 model year, generally representative for 2008)

IIHS Moderate Overlap Frontal Offset:

Good (for 2007 model year, generally representative for 2008)

IIHS Side Impact:

Good (for 2007 model year, generally representative for 2008)

Active Safety Features:

Anti-lock Braking System (ABS), Traction Control System (TCS), Electronic Stability Control (ESC) (StabiliTrak - standard on SS, optional on others).

Passive Safety Features:

Frontal airbags (driver and passenger), Side-impact airbags (front row), Overhead curtain airbags (front and rear), Pretensioners for front seat belts, LATCH system for child seats.

💡 Technology Features

Infotainment System:

Standard AM/FM stereo with CD player, optional SiriusXM satellite radio, optional premium audio system.

Auxiliary Input:

Available auxiliary audio input jack for connecting external music players.

Driver Assistance Features:

Cruise control, optional rear parking assist.

Connectivity Options:

OnStar (for equipped models), Bluetooth hands-free calling (optional on some trims).

🔧 Maintenance

Oil Change Interval:

Every 7,500 miles or 6 months (using synthetic oil), or as per oil life monitoring system.

Air Filter Replacement:

Every 30,000 miles or as needed based on inspection.

Spark Plug Replacement 2.2L 2.4L:

Every 100,000 miles (for iridium spark plugs).

Coolant Flush:

Every 100,000 miles or 5 years (Dex-Cool coolant).

Transmission Fluid Change Automatic:

Every 60,000 miles under normal driving conditions, or 30,000 miles under severe conditions.

Engine Oil Specification:

SAE 5W-30 (API Certified), Dexos1 approved (if available for this year, check owner's manual for exact specification).

Engine Oil Capacity:

4.2 quarts (4.0 L) with filter for 2.2L and 2.4L.

Coolant Type:

GM Gen II (Dex-Cool) Extended Life Antifreeze/Coolant.

Automatic Transmission Fluid Type:

Dexron VI

Manual Transmission Fluid Type:

GM Manual Transmission Fluid (MTF) or equivalent.

Brake Fluid Type:

DOT 3

Common Issues Engine Mounts:

Premature wear or failure of engine mounts, leading to vibration and knocking noises.

Common Issues ABS Sensors:

Failure of ABS wheel speed sensors, triggering ABS warning light and affecting braking performance.

Common Issues Power Steering Pump:

Leaks or failure of the power steering pump, causing loss of power steering assist.

Common Issues HVAC Blower Motor:

HVAC blower motor failure or intermittent operation.

Common Issues Rear Wheel Bearings:

Premature wear or failure of rear wheel bearings, causing humming or grinding noises.

📚 Vehicle History

Brand Heritage:

Chevrolet, established in 1911, is a division of General Motors (GM), known for a wide range of vehicles from compact cars to full-size trucks and SUVs. It's a volume brand focused on providing accessible and practical transportation.

Model Evolution Hhr:

The Chevrolet HHR (Heritage High Roof) was introduced for the 2006 model year. It was designed by Bryan Nesbitt, who also penned the Chrysler PT Cruiser. Its styling drew heavily from the 1949 Chevrolet Suburban. The model received minor updates throughout its production run, with the SS (Super Sport) performance variant being introduced in 2008, featuring a more powerful turbocharged engine and sport-tuned suspension.

Production Location:

Ramos Arizpe, Coahuila, Mexico

Production Years:

2006-2011

🏆 Awards & Recognition

Recognitions Kbb:

Kelley Blue Book's (KBB) Best Resale Value Award (in certain categories/years for similar vehicles, though specific HHR accolades might vary).

Awards Insurance Institute Highway Safety:

Top Safety Pick ratings from the IIHS for some model years, indicating good performance in crash tests.