1999 GMC Suburban Reliability

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1500 4dr SUV (5.7L V8 4-speed Automatic)

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Reliability Rating for 1999 GMC Suburban by Identifix

Ratings Key

Minimal Problems

Moderate Problems

Significant Problems

	Rating	Comments
Engine		Occasional problems on this vehicle are failures of the Fuel Injectors (5.7L VIN R engines only), and the Crankshaft Position (CKP) Sensor (5.7L VIN R, and 7.4L VIN J engines only). Problems with the CKP Sensor may prevent the engine 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 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 estimated at $485 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 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
Brake		An occasional problem on this vehicle is the 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
Starting & Charging		An occasional problem on this vehicle is the failure of the Ignition Lock Cylinder and Housing Assembly. Failure of the Ignition Lock Cylinder and Housing Assembly may prevent the engine from starting. The cost to repair the Ignition Lock Cylinder and Housing is estimated at $183.75 for parts and $84.50 for labor. All prices are estimated based on $65.00 per flat rate hour and do not include diagnostic time or applicable taxes.
Accessories
Overall		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 overviewed bellow.

Reliability History for GMC Suburban by Identifix

	1995	1996	1997	1998	1999
Engine
Transmission & Driveline
Steering & Suspension
Brake
Heating & Air Conditioning
Starting & Charging
Accessories
Overall

Reliability Ratings by Identifix is based from repair shop-reported issues. Though this data may be for years prior to model you are researching, it exposes how reliable this model platform has been historically.