1991 Gmc C10 problems
The Chevrolet C/K is a series of trucks that was manufactured by General Motors from the 1960 to 2002 model years. Marketed by both the Chevrolet and GMC divisions, the C/K series encompassed a wide range of vehicles. While most commonly associated with pickup trucks, the model line also included chassis-cab trucks and medium-duty trucks and served as the basis for GM full-size SUVs. Through its entire production, the model line competed directly against the Ford F-Series and the Dodge D series (later the Dodge Ram pickup).
Used for both the model branding and the internal model code, "C" denoted two-wheel drive, while "K" denoted four-wheel drive. Four generations of the C/K series were produced, including the GM monikered second-generation "Action Line" and third-generation "Rounded Line" vehicles (colloquially aka Square-Body trucks). For the fourth-generation (colloquially also known as OBS trucks), Chevrolet kept using the C/K designation while GMC revised its branding, changing to a singular GMC Sierra nameplate (C/K remained as an internal model code).
For South America, the model line was manufactured by General Motors de Argentina from 1960 to 1978, Sevel Argentina from 1986 to 1991, and General Motors Brazil, who produced versions of the model line for Brazil, Argentina, and Chile from 1964 to 2001.
As GM entered the 1990s, the company revised its truck ranges, replacing the medium-duty C/K trucks with the Chevrolet Kodiak/GMC TopKick for 1990. For 1999, GM replaced the fourth-generation C/K pickup trucks with an all-new model line; in line with GMC, Chevrolet dropped the C/K nameplate (in favor of a singular Chevrolet Silverado nameplate). Initially marketed with its successor, the final C/K pickup trucks were produced for the 2000 model year. From 2001 to 2002, the final vehicles of the C/K model line were medium-duty chassis cab trucks.
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Common 1991 Gmc C10 problems
Based on the information provided in the search results, here are some common problems with the GMC C10 1991 based on complaints from owners:
- Brake Problems: Another common problem mentioned is brake issues, specifically with the back driver's wheel locking up. This can be a safety concern and requires immediate attention. The owner mentioned replacing the shoes and cylinder as a potential solution to address this brake problem.
- Emission System Modifications: Some owners have experienced challenges due to missing emission components like the catalytic converter and air pump. Modifications to the emission system, including the removal of essential components, can lead to performance issues and trigger fault codes. Ensuring the proper functioning of emission-related parts is crucial for engine performance and compliance with environmental regulations.
- Idle Air Control (IAC) Replacement: Replacing the Idle Air Control (IAC) valve has been a solution for some owners to address stalling and poor idling issues. The IAC plays a vital role in regulating the engine's idle speed and can significantly impact overall engine performance. Ensuring the proper functioning of the IAC is essential for smooth engine operation.
- Internal Distributor Faults: Internal distributor faults have been reported by some owners, leading to issues like rough engine running, stalling, and unusual noises. Problems with the distributor can affect ignition timing and engine performance. Addressing internal distributor faults promptly is crucial to maintain engine efficiency and reliability.
These common problems highlight the importance of regular maintenance, timely repairs, and addressing issues promptly to ensure the optimal performance and longevity of the GMC C10 1991.
1991 Gmc C10 car problems categorized by type of issue
After analyzing all complaints sent to the NHTSA and researching popular Gmc C10 problems, we found that the most common problems with these 2023 model year vehicles are:
- Service brakes problems
- Electric problems
The graph below shows statistics for all 1991 Gmc C10 vehicle components and the number of complaints received.
1991 Gmc C10 complaints
The NHTSA has received 1 complaints about various vehicle components related to the 1991 Gmc C10.
SERVICE BRAKES, ELECTRIC PROBLEM
- Date Of Incident: 1995-12-04
- Components: SERVICE BRAKES, ELECTRIC
- Summary: BRAKE MODULE (DRATITE) ON TRUCK CONTROLLING ELECTRIC BRAKING ON TRAVEL TRAILER BEING TOWED IS SHORTING OUT. TT
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