GMC Envoy 2008 Owner's Manual

GMC Envoy 2008 manual cover
Pages 468
Year 2008
Language(s)
English en

GMC Envoy 2008 Specification

The 2008 GMC Envoy is a midsize SUV that offers a blend of performance, comfort, and utility. It is powered by a standard 4.2-liter inline-six engine that produces 291 horsepower and 277 lb-ft of torque, paired with a four-speed automatic transmission. An optional 5.3-liter V8 engine is available, delivering 302 horsepower and 330 lb-ft of torque, also mated to a four-speed automatic transmission. The Envoy features a rear-wheel-drive configuration, with an optional four-wheel-drive system for enhanced off-road capability.

The exterior design of the 2008 GMC Envoy is characterized by its robust and muscular stance, complemented by a chrome grille and distinctive headlamps. It rides on 17-inch alloy wheels, with an option for 18-inch wheels for a more commanding presence. The vehicle measures 191.6 inches in length, 74.7 inches in width, and 72.7 inches in height, with a wheelbase of 113 inches, providing ample interior space.

Inside, the Envoy offers a spacious cabin with seating for up to five passengers. Standard interior features include cloth upholstery, dual-zone air conditioning, and a six-speaker audio system with CD and MP3 playback. Higher trims offer additional amenities such as leather seats, a premium Bose audio system, and a rear-seat DVD entertainment system. The cargo capacity is generous, with 43.7 cubic feet of space behind the rear seats, expandable to 80.1 cubic feet with the seats folded down.

Safety features in the 2008 GMC Envoy include front and side-impact airbags, antilock brakes, stability control, and tire pressure monitoring. The SUV also comes with OnStar telematics for added security and convenience. Fuel efficiency is rated at approximately 14-15 mpg in the city and 20-22 mpg on the highway, depending on the engine and drivetrain configuration. Overall, the 2008 GMC Envoy provides a balanced mix of power, versatility, and comfort, making it a reliable choice for both daily commuting and weekend adventures.

GMC Envoy 2008 F.A.Q.

How do I reset the oil life monitor on a 2008 GMC Envoy?

Turn the ignition to the ON position without starting the engine. Press the accelerator pedal fully three times within five seconds. The oil life monitor should reset.

What is the recommended tire pressure for a 2008 GMC Envoy?

The recommended tire pressure for a 2008 GMC Envoy is typically 30-35 PSI. Check the sticker on the driver’s side door jamb for specific information.

How can I troubleshoot the electrical system if my 2008 GMC Envoy won't start?

Check the battery connections for corrosion and ensure they are tight. Verify the battery is charged. Check the fuses and relays related to the ignition system.

What type of engine oil should I use in my 2008 GMC Envoy?

The 2008 GMC Envoy typically requires 5W-30 motor oil. Refer to the owner's manual for specific oil specifications.

How do I change the headlight bulb on a 2008 GMC Envoy?

Open the hood and locate the headlight assembly. Remove the retaining clips or screws to access the bulb. Disconnect the electrical connector, remove the old bulb, and replace it with a new one. Reassemble the headlight assembly.

Why is my 2008 GMC Envoy's AC not blowing cold air?

Check if the AC system is properly charged with refrigerant. Inspect the AC compressor and clutch for proper operation. Ensure that the cabin air filter is not clogged.

How do I replace the cabin air filter in a 2008 GMC Envoy?

The 2008 GMC Envoy does not have a replaceable cabin air filter. The HVAC system draws air directly from the outside without a cabin filter.

What are common causes of a rough idle in a 2008 GMC Envoy?

Common causes include dirty fuel injectors, a faulty idle air control valve, or a vacuum leak. Inspect these components and clean or replace them as necessary.

How do I program a new keyless entry remote for a 2008 GMC Envoy?

Insert the key into the ignition and turn it to the ON position. Press and hold the LOCK and UNLOCK buttons on the remote simultaneously for about 15 seconds. The door locks will cycle to confirm programming.

Why is my 2008 GMC Envoy's check engine light on?

The check engine light can indicate various issues. Use an OBD-II scanner to retrieve diagnostic trouble codes, which will help identify the specific problem.