Reliability data provided by industry-leading Automotive Information Systems. For more information, consult the Reliability FAQ or read About Reliability Ratings.
1998 GMC Suburban Reliability Rating
KEY:
Minimal Problems
Moderate Problems
Significant Problems
Category
Rating
Comments
Engine
Occasional problems on this vehicle are failures of the Fuel Injectors, 5.7L vin R engines only, and the Crankshaft Position Sensor, 5.7L vin R, and 7.4L vin J engines only. Failure of the Crankshaft Position Sensor may prevent the vehicle from starting. The cost to clean the Fuel Injectors is $39.95 for parts and $97.50 for labor. The cost to replace the Crankshaft Position Sensor is $89.03 for parts and $32.50 for labor. All prices are estimates based on $65 per flat rate hour and do not include diagnostic time or any applicable sales tax.
Transmission & Driveline
Occasional problems on this vehicle are failures of the Transmission Valve Body and the Transmission Fluid Pressure (TFP) Switch and a periodic problem is failure of the Reaction Sun Shell. All three failures apply to 5.7L vin R engines with Light Duty Automatic Transmission only. The cost to replace the Transmission Valve Body is $485.00 for parts and $110.50 for labor. The cost to replace the TFP Switch is $70.54 for parts and 84.50 for labor. The cost to replace the Reaction Sun Shell is $43.00 for parts and $877.50 for labor. All prices are estimates based on $65 per flat rate hour and do not include diagnostic time or any applicable sales tax.
Steering & Suspension
Infrequent problems reported, all with low repair costs.
Brakes
An occasional problem on this vehicle is rusting of the Wheel Speed Sensor. The cost to clean the Wheel Speed Sensor is estimated at $84.50 for labor per wheel. All prices are estimates based on $65.00 per flat rate hour and do not include diagnostic time or any applicable sales tax.
Heating & Air Conditioning
Infrequent problems reported, all with low repair costs.
Starting & Charging
Occasional problems on this vehicle are failures of the Ignition Switch and Lock Cylinder. This failure may prevent the vehicle from starting. The cost to replace the Ignition Switch and Lock Cylinder is estimated at $183.75 for parts and $84.50 for labor. All prices are estimates based on $65 per flat rate hour and do not include diagnostic time or any applicable sales tax.
Accessories
Infrequent problems reported, all with low repair costs.
Overall
4 out of 5
*Repair costs are based on a flat rate of $65.00 per hour and do not include diagnostic time or any applicable sales tax.
Reliability History
In the chart below, click a symbol beneath the model year headings to go directly to reliability information on the particular automotive system for that year.
Or, click a model year heading at the top of the chart to view a complete reliability report for that particular model year.
Minimal Problems
Moderate Problems
Significant Problems
