GMC Yukon 2008 Owner's Manual
![GMC Yukon 2008 manual cover](/images/EsdsOCqVFkyZqNGUFWBxuqch/thumbs/thumb175x175.webp)
To reset the oil life monitor on a 2008 GMC Yukon, 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 will reset, and the "Change Engine Oil Soon" message will clear.
The recommended tire pressure for a 2008 GMC Yukon is typically 30-35 psi. Check the label inside the driver's side door jamb for the exact specifications for your vehicle.
To replace the headlight bulb on a 2008 GMC Yukon, open the hood and locate the back of the headlight assembly. Remove the protective cover, disconnect the electrical connector, and twist the bulb counterclockwise to remove it. Insert the new bulb, reconnect the electrical connector, and replace the cover.
Poor fuel economy in a 2008 GMC Yukon can be due to various factors such as dirty air filters, underinflated tires, or faulty oxygen sensors. Regular maintenance and ensuring all components are in good working order can help improve fuel efficiency.
To program a new key fob for a 2008 GMC Yukon, 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 until the door locks cycle, indicating successful programming.
The recommended engine oil for a 2008 GMC Yukon is SAE 5W-30. Always use engine oil that meets GM Standard GM6094M specification for optimal performance.
To troubleshoot a non-functioning AC system in a 2008 GMC Yukon, check the AC fuse and relay, ensure the compressor clutch engages, and inspect for refrigerant leaks. If the problem persists, it may require professional diagnostics.
To replace the battery in a 2008 GMC Yukon, ensure the vehicle is turned off. Disconnect the negative battery cable first, then the positive. Remove the battery hold-down bracket, lift out the old battery, and place the new battery in the tray. Reconnect the cables, positive first, then negative.
Common causes of a rough idle in a 2008 GMC Yukon include dirty fuel injectors, a faulty idle air control valve, or a vacuum leak. Regular maintenance and inspections can help identify and resolve these issues.
The transmission fluid in a 2008 GMC Yukon should typically be changed every 50,000 to 100,000 miles, depending on usage and driving conditions. Consult your owner's manual for specific recommendations for your vehicle.