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1984 GMC Suburban
Vehicle Summary
The 1984 GMC Suburban is a robust 4WD SUV powered by a 6.2L V8 diesel engine from Chevrolet. Manufactured by GENERAL MOTORS LLC at the Flint Truck Assembly plant in Michigan, this 3/4 Ton model is built for heavy-duty performance. With hydraulic brakes and a gross vehicle weight rating of up to 9,000 lbs, it’s designed for both utility and versatility.
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1984 GMC Suburban
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Complete Specifications
Known Issues for This Vehicle
Brake fluid leaks
Hydraulic brake systems rely on brake fluid, and any leaks can result in reduced braking efficiency or brake failure.
Brake master cylinder failure
The master cylinder can wear out over time, leading to a spongy brake pedal or complete brake failure.
Brake caliper issues
Calipers can seize or leak, causing uneven brake pad wear or a decrease in braking performance.
Worn brake pads and rotors
Brake pads and rotors wear down with use and need regular replacement to maintain effective braking.
Engine overheating
V-shaped engines, especially older models, can suffer from overheating issues due to coolant leaks, faulty water pumps, or clogged radiators.
Oil leaks
Chevrolet V8 engines can develop oil leaks from gaskets, seals, and valve covers.
Timing chain wear
Over time, the timing chain can stretch or wear, leading to poor engine performance or even catastrophic engine failure.
Carburetor problems
Older engines, like the 1984 Chevrolet V8, often use carburetors that can become clogged or misadjusted, leading to poor fuel economy and engine performance.
Ignition system issues
Components like the distributor, ignition coil, or spark plugs can fail, causing misfires or difficulty starting the engine.
Exhaust manifold cracks
The exhaust manifold can develop cracks over time, leading to exhaust leaks and reduced engine efficiency.
Fuel pump failure
Mechanical fuel pumps can wear out, leading to fuel delivery issues and engine stalling.
Vacuum leaks
Vacuum hoses can become brittle and crack, causing rough idling and poor engine performance.
