1985 Gmc K1500 problems

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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).

1985 Gmc K1500

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Common 1985 Gmc K1500 problems

Based on the information provided in the search results, here are common problems with the GMC K1500 1985 based on complaints from owners:

  1. Starting Issues: Owners have reported issues with the truck not starting intermittently, shutting off unexpectedly, and failing to restart immediately. This could be due to various factors such as a bad ground, short to ground, loose connectors, or a faulty ignition switch causing a temporary loss of power.
  2. Fuel System Problems: Complaints include excessive oil consumption, which is a common issue in GMC and Chevy trucks from 2007-2013. Additionally, fuel gauge problems have been noted, leading to erratic meter behavior. These issues can stem from a bad ground connection, corroded connectors, or a defective fuel sender unit.
  3. Transmission Cooling System: The transmission cooling system has been highlighted as a problem area in GMC trucks. Issues with this system can lead to transmission problems, necessitating multiple replacements over time.
  4. Electrical System: Problems with the alternator failing have been reported, causing the battery to die and potentially leading to abnormal noises. This issue typically occurs around 125,000 miles and may or may not trigger a warning light on the dashboard.
  5. Windshield Wiper Motor Failure: Owners have experienced intermittent failures with the windshield wipers due to a defective wiper motor control board. This can result in the wipers not working, failing to turn on or off, or running at only one speed setting. Temporary fixes include tapping on the control box, but a permanent solution involves replacing the wiper motor control board.

These common problems with the GMC K1500 1985 can impact the truck's performance, reliability, and overall driving experience. Regular maintenance, thorough inspections, and timely repairs can help address these issues and ensure the vehicle's longevity and optimal functioning.

1985 Gmc K1500 engine

1985 Gmc K1500 car problems categorized by type of issue

After analyzing all complaints sent to the NHTSA and researching popular Gmc K1500 problems, we found that the most common problems with these 2023 model year vehicles are:

  • Fuel system problems
  • Gasoline problems
  • Tires problems
  • Seat belts problems

The graph below shows statistics for all 1985 Gmc K1500 vehicle components and the number of complaints received.

1985 Gmc K1500 complaints

The NHTSA has received 3 complaints about various vehicle components related to the 1985 Gmc K1500.

2000-11-28

FUEL SYSTEM, GASOLINE PROBLEM

  • Date Of Incident: 2000-10-27
  • Fire: 1
  • VIN: 1GTCC14N8FF
  • Components: FUEL SYSTEM, GASOLINE
  • Summary: THE FUEL SYSTEM EXPLODED CAUSING FIRE TO GO THROUGH THE FUEL LINE TO THE CARBURETOR RESULTING IN ENGINE TO IGNITE IN FLAMES AS THE CONSUMER WAS DRIVING. *MJS
2000-09-12

TIRES PROBLEM

  • Date Of Incident: 2000-08-30
  • VIN: 1GTEK14H4FJ
  • Components: TIRES
  • Summary: INSURED GOING E ON I-90 WHEN RIGHT REAR TIRE BLEW, DAMAGE FENDER AND THE EXHAUST PIPE AND THE WHEEL. THIS TIRE IS A FIRESTONE ATX TIRE THAT IS ON RECALL, INSURED THINKS FIRESTONE SHOULD PAY FOR THIS, HE WANTS TO TAKE ESTIMATE TO THEM ON THURSDAY. (CLAIMS 47-4193-131) *MW
1995-05-25

SEAT BELTS PROBLEM

  • Date Of Incident: 2024-11-24
  • Components: SEAT BELTS
  • Summary: THE FRONT MIDDLE SEAT BELT BUCKLE BROKEN WILL NOT LATCH. TT

1985 Gmc K1500 recalls

The National Highway Traffic Safety Administration (NHTSA) has issued 1 recalls for different components of the 1985 Gmc K1500.

2007-10-24
  • 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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