What's New for 1998 GMC Sierra 1500
Knowing how much a vehicle has changed from previous model years can help provide additional context when reviewing reliability ratings. Our Editors give you the bottom-line on what's new, the pros, the cons and more.
What's New for 1998
With an all-new Sierra just one year away, changes are minimal. Diesel engines make more power and torque, extended cab models get rear heater ducts, a PassLock theft-deterrent system is standard, 1500-Series trucks get reduced rolling resistance tires and three new colors debut. Second-generation airbags are standard. Read More
Long-Term Reliability Ratings by Identifix
Portions © 2008 by Identifix, Inc. All rights reserved
Ratings Key
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Minimal Problems |
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Moderate Problems |
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Significant Problems |
1998 GMC Sierra 1500 Reliability Rating
| Category |
Rating |
Comments |
| Engine |
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Occasional problems on this vehicle are failures of the Fuel Injectors, 4.3L vin W, 5.0L vin M, and 5.7L vin R engines only; and the Crankshaft Position Sensor, 4.3L vin W 5.0L vin M, 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 |
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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 4.3L vin W, 5.0L vin M, and 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 |
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| Brake |
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An occasional problem on this vehicle is failure of the Wheel Speed Sensor. The cost to clean the Wheel Speed Sensor is $84.50 for labor per wheel. All prices are estimates based on $65 per flat rate hour and do not include diagnostic time or any applicable sales tax. |
| Heating & Air Conditioning |
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| Starting & Charging |
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An occasional problem on this vehicle is failure 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 $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 |
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| Overall |
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4 out of 5 |
Reliability ratings displayed above reflect style specific standard features and may vary from aggregated values displayed for the same year in the historical model overview below.
Reliability History for GMC Sierra 1500
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1997 |
1998 |
1999 |
2000 |
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| Brake |
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| Heating & Air Conditioning |
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| Overall |
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Reliability History for GMC
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1998 |
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2000 |
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| Brake |
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| Heating & Air Conditioning |
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| Starting & Charging |
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