1997 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated August 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1997 GMC Suburban has 4 documented known issues. No issues are rated critical, indicating generally reliable ownership. Across all issues with published estimates, repair costs range from $150 to $2,000. DIY maintenance guides at au7o.io.
STRUCTURE
CERTAIN PICKUP TRUCK, VAN, AND MINI VAN CONVERSIONS EQUIPPED WITH SOUTHERN COMFORT BUILT RUNNING BOARDS THAT CONTAIN CERTAIN COURTESY LIGHTS MANUFACTURED BY AMERICAN TECHNOLOGY COMPONENTS, INC. THESE UNITS CONTAIN A COURTESY LIGHT OR LIGHTS THAT MIGHT OVERHEAT WHEN THE WIRE HARNESS IS EXPOSED TO EXCESSIVE MOISTURE AND ROAD SALT.
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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 1997 GMC Suburban has 4 documented issues. The most frequently reported are: 5.7L Vortec Intake Manifold Gasket and CPI Issues, Fuel Pump Failure in Large Tank, Rear AC Evaporator Core and Line Leaks. None are rated critical, but regular maintenance is recommended.
The 1997 GMC Suburban has 4 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. No issues are rated critical, suggesting generally good reliability. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
Repair costs for known GMC Suburban issues range from $150 to $2,000, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
The GMC Suburban shares the same 5.7L Vortec intake gasket and spider injector issues as the C/K 1500. The larger vehicle runs hotter, which can accelerate gasket degradation. Repairs typically run $500-$1,200. Severity: medium.
The in-tank fuel pump works harder due to the Suburban's large fuel tank (42 gallons) and fails prematurely. The pump draws more current to push fuel the longer distance to the engine, leading to burnout. Repairs typically run $350-$700. Severity: medium.
The GMC Suburban (and Chevrolet Suburban/Tahoe/Yukon) with rear AC systems develop leaks in the rear evaporator core and the aluminum rear AC lines that run along the passenger-side frame rail. The lines corrode under the securing straps from road salt and moisture. The rear drai… Repairs typically run $600-$2,000. Severity: medium.
The rear heating and A/C system suffers from blower motor failure and rear heater core leaks. The rear heater core is located under the rear cargo area and is susceptible to coolant corrosion. Repairs typically run $150-$600. Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.
