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1GTHC33J2XF011749
Vehicle Summary
The 1999 GMC Sierra 3500 is a robust pickup featuring a 7.4L V8 engine with multipoint fuel injection. Built by General Motors in Flint, Michigan, this crew cab truck boasts a Class 2H GVWR and a hydraulic brake system. With its 4x2 drive, it's designed for heavy-duty tasks while offering ample space with its four doors.
Complete Specifications
Common Issues for This Vehicle
Brake fluid leaks
Hydraulic brake systems can develop leaks in the brake lines, master cylinder, or calipers, leading to reduced braking efficiency.
Worn brake pads
Over time, brake pads wear down and need replacement to ensure proper braking performance.
Brake rotor issues
Warped or worn rotors can cause vibrations and reduced braking effectiveness.
Engine misfires
V-shaped engines, especially with 8 cylinders, can experience misfires due to faulty spark plugs, ignition coils, or fuel injectors.
Oil leaks
Common in older V8 engines, oil leaks can occur from gaskets, seals, or valve covers.
Coolant leaks
Leaks from the radiator, hoses, or water pump can cause overheating and engine damage.
Fuel system problems
Issues with fuel injectors, fuel pump, or fuel filter can lead to poor engine performance.
Timing chain issues
High-output (HO) engines can experience timing chain wear or failure, affecting engine timing and performance.
Intake manifold gasket leaks
Common in V8 engines, leading to coolant or air leaks that affect engine performance.
Transmission problems
Older GMC Sierras can experience issues with the automatic transmission, such as slipping, hard shifting, or failure.
Exhaust manifold cracks
V8 engines can develop cracks in the exhaust manifold, leading to exhaust leaks and reduced engine performance.
Sensor failures
Older vehicles may have issues with sensors like the oxygen sensor, mass air flow sensor, or crankshaft position sensor, affecting engine performance.
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