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1999 GMC Sonoma Repair and Maintenance Costs

A guide to repairs, service, and maintenance costs for your 1999 GMC Sonoma

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The national average repair and maintenance cost for a 1999 GMC Sonoma is between $397 and $486 per year. Repair and maintenance costs vary depending on age, mileage, location and service provider.

Repair Cost Index Score
27
1999 GMC Sonoma
scores in the least expensive range of all car models for average repair and maintenance costs
0
100
27
$
$$$
39
- average of all models
What does this score mean?
$442
Annual Repair Cost
on average
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A fluid leak may develop from the transmission output shaft seal. This leak may cause the transmission mount to become oil soaked and require replacement of the mount along with the leak repair.
A Loose or worn gas cap may cause Check Engine Light to illuminate.
The heater core under the right side of the dashboard may leak engine coolant which can puddle on the passenger front floor. The loss of coolant may cause an engine overheating condition. Our tech...