1986 Gmc K2500 problems
The fourth generation of the C/K series is a range of trucks that was manufactured by General Motors. Marketed by the Chevrolet and GMC brands from the 1988 to the 2002 model years, this is the final generation of the C/K model line. In a branding change, GMC adopted the GMC Sierra nameplate for all its full-size pickup trucks, leaving the C/K nomenclature exclusive to Chevrolet.
Internally codenamed the GMT400 platform, GM did not give the model line a word moniker (e.g., "Rounded-Line series" for its predecessor). After its production, the model line would informally become known by the public as the "OBS" (Old Body Style), in reference to its GMT800 successor. In starting a different tradition, the model line overlapped production with both its predecessor and successor; the model line again shared body commonality with GM medium-duty commercial trucks.
Over nearly a 14-year production run, the fourth-generation C/K was assembled by GM in multiple facilities in the United States, Canada, and Mexico. After the 2000 model year, the fourth-generation C/K was discontinued and was replaced by the GMT800 platform (introduced for 1999); the C3500HD heavy-duty chassis cab model remained in production through 2002. In line with the GMC Sierra, Chevrolet subsequently adopted a singular Chevrolet Silverado nameplate for its full-size truck line (which remains in use).
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Common 1986 Gmc K2500 problems
Based on the information gathered from the sources provided, here are some common problems reported by owners of the GMC K2500 1986:
- Steering Wheel Position Sensor Failure: A failed steering wheel position sensor can trigger a service stability message in Silverado or Sierra trucks. This issue may occur around 90,000 miles and replacing the sensor is recommended to resolve it.
- Alternator Failure: In older Sierras and Silverados, alternator failure has been reported, leading to battery issues and abnormal noises. This problem typically arises around 125,000 miles and may require a replacement costing around $300 to $400.
- Internal Distributor Faults: Some drivers have experienced internal faults in the distributor, causing issues like engine roughness or stalling. This problem, although less common, may require an overhaul or replacement of the internal distributor, especially around 130,000 miles.
- Windshield Wiper Motor Component Failure: Models produced between 1990 and 1999 may face intermittent issues with the windshield wipers due to a defective wiper motor. This problem can lead to wipers not working, running continuously, or working only on one speed setting. A temporary fix involves tapping on the control box, but a permanent solution would be to replace the wiper motor control board.
These common problems highlight some key issues that owners of the GMC K2500 1986 may encounter. It's essential for owners to be aware of these issues to address them promptly and maintain the optimal performance of their vehicles.
1986 Gmc K2500 car problems categorized by type of issue
After analyzing all complaints sent to the NHTSA and researching popular Gmc K2500 problems, we found that the most common problems with these 2023 model year vehicles are:
- Suspension problems
- Engine and engine cooling problems
- Power train problems
- Exterior lighting problems
- Structure problems
The graph below shows statistics for all 1986 Gmc K2500 vehicle components and the number of complaints received.
1986 Gmc K2500 complaints
The NHTSA has received 5 complaints about various vehicle components related to the 1986 Gmc K2500.
SUSPENSION,ENGINE AND ENGINE COOLING,POWER TRAIN,EXTERIOR LIGHTING,STRUCTURE PROBLEM
- Date Of Incident: 2024-11-24
- VIN: 1GTGK24M8GF
- Components: SUSPENSION,ENGINE AND ENGINE COOLING,POWER TRAIN,EXTERIOR LIGHTING,STRUCTURE
- Summary: PROBLEMS WITH VEHICLE'S RADIATOR, ENGINE, FRONT AXLE, REAR AXLE AND OTHER PROBLEMS.*MR THE VEHICLE EXPERIENCED PROBLEMS WITH THE RADIATOR AND COOLING SYSTEM. THE ENGINE WAS A 305 INSTEAD OFF THE FAVORED 350. AS A RESULT THE ENGINE USED ABOUT 1 QUART OF OIL EVERY 1500 MILES. THE TRANSMISSION EXPERIENCED PROBLEM. THE FRONT AXLE HAD PROBLEMS. THE REAR AXLE IS THE OLD STYLE AND THE FLUID IS NO LONGER AVAILABLE. AN ALTERNATIVE WAS SUBSTITUTED BUT WHEN THE TEMPERATURE WAS BELOW 32 DEGREES THE TRANSMISSION WOULD JUMP INTO HIGH GEAR. IT ALSO WORE OUT THE REAR DIFFERENTIAL AND AXLE BEARING. THE SUSPENSION WAS SOFT. THE SHOCKS HAVE BEEN CHANGE A FEW TIMES BUT THAT DIDN'T SEEM TO MAKE A DIFFERENCE. THE TAIL GATE HINGE WAS CORRODED AND THE NUTS FELL OFF. THE REAL TAIL LIGHTS WERE CROSS WIRED SO IF ON WENT OUT THEY BOTH WENT OUT. THE SEAL AROUND THE TAIL LIGHT WAS NOT SUFFICIENT AND ALLOWED WATER TO ENTER THE HOUSING. *NLM
FUEL SYSTEM, GASOLINE PROBLEM
- Date Of Incident: 1901-01-01
- VIN: 1GTGK24M8GF
- Components: FUEL SYSTEM, GASOLINE
- Summary: COMPLAINT REGARDING 1986 GMC K-2500. *MR THE CONSUMER BOUGHT THE VEHICLE IN 1986 AND THOUGHT IT WAS NEW, BUT IT WASN'T. IT WAS ORIGINALLY REGISTERED IN CALIFORNIA AND HAD COME WITH A 1978 CALIFORNIA EMISSIONS. THE VEHICLE HAD BEEN IN AN ACCIDENT, AND WAS REBUILT, AND WAS SOLD TO A COMPANY IN CANADA. THE VEHICLE WAS ULTIMATELY BROUGHT INTO THE US, THEN RESOLD AS COMMERCIAL SALES. (ALL LEGAL) THERE WERE A NUMBER OF TECHNICAL PROBLEMS WITH THE REPLACEMENT, SUCH AS THE GAS TANK WHICH HAD FAILED. *SCC *JB *CB
EQUIPMENT PROBLEM
- Date Of Incident: 2024-11-24
- VIN: 1GTGK24M8GF
- Components: EQUIPMENT
- Summary: OWNER IS HAVING TROUBLE OBTAINING INFORMATION ON SOURCE OF ORIGIN OF THE VEHICLE,POSSIBLE IDENTIFICATION NUMBER CHANGE. YH
SUSPENSION PROBLEM
- Date Of Incident: 2024-11-24
- VIN: 1GTGK24M8GF
- Components: SUSPENSION
- Summary: VEHICLE WOULD GO SIDEWAYS WITH OUT WARNING. YH
ENGINE AND ENGINE COOLING PROBLEM
- Date Of Incident: 2024-11-24
- VIN: 1GTGK24M8GF
- Components: ENGINE AND ENGINE COOLING
- Summary: ENGINE RELATED PROBLEMS. YH
1986 Gmc K2500 recalls
The National Highway Traffic Safety Administration (NHTSA) has issued 1 recalls for different components of the 1986 Gmc K2500.
- Manufacturer: HONEYWELL INTERNATIONAL, INC.
- Components: EQUIPMENT
- Summary: CERTAIN HONEYWELL FRAM RACING BRAND HP4 AND HP8 OIL FILTERS THAT WERE MANUFACTURED FROM MAY 25, 2006, THROUGH SEPTEMBER 14, 2007, AND SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR VEHICLES LIST ABOVE. THE AFFECTED FILTERS ARE MARKED WITH A DATE CODE A61451 THROUGH A72571 SEQUENTIALLY. THE DATE CODE AND PART NUMBER APPEAR ON THE FILTER HOUSING. FRAM RACING HP4 AND HP8 OIL FILTERS NOT BEARING A DATE CODE IN THIS RANGE ARE NOT AFFECTED BY THIS RECALL. THE GASKET OF THE OIL FILTER BECOMES MORE PLIABLE UNDER HIGH TEMPERATURES AND PRESSURES.
- Consequence: THIS CONDITION MAY CAUSE INADEQUATE SEALING AND LOSS OF ENGINE OIL, POSSIBLY RESULTING IN A FIRE.
- Remedy: HONEYWELL WILL REPLACE THE AFFECTED OIL FILTERS FREE OF CHARGE. THE RECALL BEGAN DURING NOVEMBER 2007. OWNERS CAN CONTACT FRAM CUSTOMER SERVICE TOLL-FREE AT 1-800-890-2075.
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