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1994 GMC Suburban
Vehicle Summary
The 1994 GMC Suburban is a robust and versatile Sport Utility Vehicle (SUV) featuring a powerful V8 engine with a displacement of 7.4 liters. Manufactured by GENERAL MOTORS LLC in Janesville, Wisconsin, this 3/4 Ton Nominal Series vehicle offers a 4x2 drive type and utilizes throttle body fuel injection for its gasoline-powered engine. With a gross vehicle weight rating falling in Class 2G (8,001 - 9,000 lb), it's designed to handle both heavy loads and passenger transport with ease.
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1994 GMC Suburban
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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 a loss of braking power.
Brake master cylinder failure
The master cylinder can wear out over time, causing a spongy brake pedal or complete brake failure.
Warped brake rotors
Overheating or heavy use can cause the brake rotors to warp, resulting in vibrations or a pulsating brake pedal.
Brake caliper sticking
Brake calipers can become stuck due to corrosion or debris, leading to uneven brake pad wear and reduced braking efficiency.
Vacuum booster failure
The brake booster can develop leaks or fail, making the brake pedal hard to press and reducing braking effectiveness.
Engine oil leaks
V-shaped engines are prone to oil leaks from valve cover gaskets, oil pan gaskets, and rear main seals.
Intake manifold gasket failure
The V8 engines in GMC Suburbans can experience intake manifold gasket failures, leading to coolant or oil leaks.
Distributor issues
Older V8 engines, like the one in the 1994 GMC Suburban, can have problems with the distributor, causing misfires or engine stalling.
Coolant leaks
The engine can develop coolant leaks from the radiator, hoses, or water pump, leading to overheating issues.
Fuel injector problems
The fuel injectors can become clogged or fail, causing rough idling, poor fuel economy, and reduced engine performance.
Timing chain wear
Over time, the timing chain can stretch or wear, leading to engine timing issues and potential engine damage if not addressed.
Exhaust manifold cracks
V8 engines can develop cracks in the exhaust manifold, causing exhaust leaks and increased engine noise.
Egr valve failure
The Exhaust Gas Recirculation (EGR) valve can become clogged or fail, leading to increased emissions and potential engine performance issues.
