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2008 GMC Sierra
Vehicle Summary
The 2008 GMC Sierra is a robust pickup truck characterized by its 6.0L V8 engine with a V-shaped configuration and sequential fuel injection. Designed for versatility and power, it comes with a 4WD system and features an extended cab with four doors, making it suitable for both work and leisure. Manufactured by General Motors in Indiana, this 1/2 Ton truck is equipped with active fuel management for improved efficiency. Ideal for those needing a reliable and powerful vehicle, the Sierra SL trim offers a great balance of functionality and performance.
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2008 GMC Sierra
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Complete Specifications
Known Issues for This Vehicle
Brake fluid leaks
Hydraulic brake systems can develop leaks in the brake lines, calipers, or master cylinder, leading to reduced braking performance.
Brake pedal feel
Air in the hydraulic brake system can cause a spongy or soft brake pedal, affecting braking efficiency.
Engine misfires
The V-shaped engine configuration can experience misfires due to issues with spark plugs, ignition coils, or fuel injectors.
Active fuel management issues
The Active Fuel Management system in the L76 engine may cause problems like rough idling or a decrease in fuel efficiency if it malfunctions.
Oil consumption
The GM L76 engine is known to consume more oil than usual, which can lead to low oil levels and potential engine damage if not monitored regularly.
Timing chain wear
Over time, the timing chain in the L76 engine can wear out, leading to noise, poor performance, or engine failure if not replaced.
Coolant leaks
V-shaped engines can develop coolant leaks at the cylinder head gaskets or water pump, leading to overheating problems.
Transmission issues
The 2008 GMC Sierra may experience transmission slipping or hard shifts, often related to transmission fluid issues or wear and tear.
