Hummer H3 2008 Owner's Manual

Hummer H3 2008 manual cover
Pages 416
Year 2008
Language(s)
English en

Hummer H3 2008 Specification

The 2008 Hummer H3 is a midsize SUV that combines rugged off-road capabilities with a distinctive design. It is powered by a 3.7-liter, inline-five-cylinder engine that produces 242 horsepower and 242 lb-ft of torque, paired with either a five-speed manual or a four-speed automatic transmission. The H3 features a full-time four-wheel-drive system with a two-speed transfer case, allowing it to tackle a variety of terrains with ease.

The vehicle sits on a robust frame with a front independent suspension and a rear solid axle, providing both durability and comfort. Ground clearance measures 9.1 inches, which is complemented by its impressive approach and departure angles of 37.5 and 34.6 degrees, respectively. These specifications enable the H3 to excel in off-road environments, including rocky trails and steep inclines.

Inside, the H3 offers a spacious cabin with seating for up to five passengers. The interior is designed with utility in mind, featuring durable materials and a straightforward layout. Standard equipment includes air conditioning, power windows and locks, and a six-speaker audio system with a CD player. Optional features include leather upholstery, a sunroof, and a premium Monsoon audio system.

Safety is addressed with a suite of features including front and side curtain airbags, anti-lock brakes, and stability control. The H3 has a towing capacity of up to 4,500 pounds when properly equipped, making it versatile for both daily driving and adventurous outings.

Overall, the 2008 Hummer H3 blends strong performance capabilities with practical features, making it a robust choice for those seeking a vehicle that can handle both urban and off-road challenges.

Hummer H3 2008 F.A.Q.

How do I change the oil in my 2008 Hummer H3?

To change the oil in your 2008 Hummer H3, first, ensure the vehicle is on a level surface and the engine is off. Locate the oil drain plug under the engine and place a pan beneath it. Remove the plug and allow the old oil to drain completely. Replace the drain plug and remove the oil filter using an oil filter wrench. Install a new oil filter and fill the engine with the recommended oil type and quantity. Check the oil level with the dipstick to ensure it's correct.

What type of coolant should be used for a 2008 Hummer H3?

The 2008 Hummer H3 typically uses a DEX-COOL extended life antifreeze/coolant. It is important to use the correct type to prevent corrosion and ensure optimal performance. Always check the owner's manual for the exact specifications and mixture ratios.

How can I troubleshoot the four-wheel drive system if it's not engaging?

If the four-wheel drive system on your 2008 Hummer H3 is not engaging, check the following: ensure the vehicle is in neutral or park before engaging 4WD, inspect the 4WD fuse in the fuse box, check the transfer case fluid level, and listen for any unusual noises from the transfer case. If the problem persists, it may be necessary to consult with a professional mechanic for further diagnosis.

What is the recommended tire pressure for a 2008 Hummer H3?

The recommended tire pressure for a 2008 Hummer H3 is typically around 30-35 psi for both front and rear tires. However, always refer to the sticker located on the driver’s door jamb or the owner’s manual for the exact specifications.

How do I replace a headlight bulb on a 2008 Hummer H3?

To replace a headlight bulb on a 2008 Hummer H3, open the hood and locate the back of the headlight assembly. Disconnect the power connector from the headlight bulb, remove the retaining ring or clip, and carefully pull out the old bulb. Insert the new bulb without touching the glass and secure it with the retaining mechanism. Reconnect the power connector and test the headlight before closing the hood.

What should I do if the check engine light comes on in my 2008 Hummer H3?

If the check engine light comes on in your 2008 Hummer H3, first check for any loose gas caps as this is a common cause. If the light remains on, use an OBD-II scanner to read the diagnostic trouble codes. This can help identify the issue, which could range from a faulty sensor to an exhaust problem. If unsure, consult a professional mechanic for a full diagnosis.

How often should I replace the air filter on a 2008 Hummer H3?

It is generally recommended to replace the air filter on a 2008 Hummer H3 every 15,000 to 30,000 miles, depending on driving conditions. If you frequently drive in dusty or harsh environments, consider checking and replacing the air filter more often.

What are the towing capabilities of a 2008 Hummer H3?

The 2008 Hummer H3 has a towing capacity of up to 4,500 pounds when properly equipped. This includes having the right hitch and towing package. Always refer to the owner's manual for detailed towing guidelines and ensure your vehicle is properly maintained for safe towing.

How do I reset the tire pressure monitoring system (TPMS) on a 2008 Hummer H3?

To reset the TPMS on a 2008 Hummer H3, turn the ignition to the ON position without starting the engine. Press and hold the TPMS reset button (usually located under the steering wheel or in the glove box) until the TPMS light blinks three times, then release. Start the engine and wait a few minutes for the system to refresh. If the light remains on, check the tire pressures and consult a mechanic if necessary.

What maintenance schedule should I follow for my 2008 Hummer H3?

For a 2008 Hummer H3, follow a maintenance schedule that includes regular oil and filter changes every 3,000 to 5,000 miles, checking and replacing the air filter every 15,000 to 30,000 miles, inspecting the brakes, tires, and suspension components regularly, and flushing the coolant every 50,000 miles. It's also important to check the transmission fluid, transfer case fluid, and differentials as part of routine maintenance.