What are the most common GMC C/K 2500 problems?
According to Au7o's analysis of 210+ owner reports, the 1998 GMC C/K 2500 has 4 documented issues. The most frequently reported are: In-Tank Fuel Pump Failure, 6.5L Diesel PMD/FSD Module Failure, ABS Speed Sensor and RWAL Module Failure. Of these, 2 are rated critical and should be addressed promptly.
Is the GMC C/K 2500 reliable?
The 1998 GMC C/K 2500 has 4 known issues documented across 210+ owner reports. 2 issues are rated critical: In-Tank Fuel Pump Failure and 6.5L Diesel PMD/FSD Module Failure. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common GMC C/K 2500 problems?
Repair costs for known GMC C/K 2500 issues range from $80 to $2,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, In-Tank Fuel Pump Failure, typically costs $250-$700 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 1996-2000 GMC C/K 2500 In-Tank Fuel Pump Failure?
The C/K 2500's in-tank electric fuel pump fails without much warning, stranding drivers. The pump works harder in trucks used for towing and in hot climates. Running the tank below 1/4 accelerates wear since fuel cools the pump. Repairs typically run $250-$700. Severity: high.
What is the 1994-2000 GMC C/K 2500 6.5L Diesel PMD/FSD Module Failure?
Same 6.5L diesel injection pump PMD failure as Chevrolet C/K 2500. The Pump Mounted Driver overheats and causes stalling. Repairs typically run $300-$2,500. Severity: high.
What is the 1995-1998 GMC C/K 2500 ABS Speed Sensor and RWAL Module Failure?
The rear-wheel anti-lock brake (RWAL) system speed sensor in the rear differential fails or the RWAL module malfunctions. The ABS warning light illuminates and the system defaults to standard braking without anti-lock. Repairs typically run $80-$400. Severity: medium.
What is the 1990-1998 GMC C/K 2500 Pitman Arm and Idler Arm Wear?
The Pitman arm and idler arm ball joints wear out, causing excessive play in the steering and a wandering feel on the highway. The heavy front end of the 2500 accelerates wear on these components. Repairs typically run $200-$500. Severity: medium.
