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How much does GMC C15 repair and maintenance cost?

The cost depends on your car, the type of service, and where you live. Here are estimates for a selection of GMC C15 services.

Service Estimate Dealer Estimate Your Savings Location
Service type Drive Belt Tensioner Replacement for 1975 GMC C15 L6-4.8L Estimate $113 Dealer Estimate $182 Savings 37.71% Location Denver, CO
Service type Differential/Gear Oil Replacement for 1976 GMC C15 V8-5.0L Estimate $86 Dealer Estimate $127 Savings 32.43% Location Denver, CO
Service type Serpentine/Drive Belt Replacement for 1978 GMC C15 V8-6.6L Estimate $115 Dealer Estimate $185 Savings 37.88% Location Denver, CO
Service type Car Air Filter Replacement for 1977 GMC C15 L6-4.1L Estimate $93 Dealer Estimate $141 Savings 34.09% Location Denver, CO
Service type Oil Change for 1975 GMC C15 L6-4.8L Estimate $79 Dealer Estimate $126 Savings 36.63% Location Denver, CO
Service type Wheel Bearings - Passenger Side Rear Replacement for 1978 GMC C15 V8-6.6L Estimate $384 Dealer Estimate $719 Savings 46.56% Location Denver, CO
Service type Brake Rotor/Disc - Front Replacement for 1978 GMC C15 L6-4.8L Estimate $225 Dealer Estimate $374 Savings 39.80% Location Denver, CO
Service type Strut Assembly - Front Replacement for 1977 GMC C15 L6-4.1L Estimate $627 Dealer Estimate $1084 Savings 42.13% Location Denver, CO

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Meet some of our expert GMC C15 mechanics

Ruben

Ruben

43 Reviews; 13 years of experience
On time and extremely efficient. Did a fantastic job! Highly recommend!!!
Kernersville, NC
October 25
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Theodore

Theodore

548 Reviews; 12 years of experience
Theodore was great. He did a great job replacing the water pump on my GMC Yukon and was able to answer all my questions on other potential fixes my car might need. Definitely will work with him again and recommend him highly.
Snohomish, WA
October 19
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Patrick

Patrick

132 Reviews; 11 years of experience
I really like the way he explains the issues. Will use him again.
Anaheim, CA
July 18
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Answers to common GMC C15 questions

Q: I have a 78' GMC c15 pickup and when i turn either left or right blinker the hazards cut on.
Answered by Jay
You need to replace the bulbs in the front as one of the bulbs are shorted internally to the other circuit inside bulb. If replacing bulbs do not work then look for a ground wire problem going to the switch...
Q: The hazards come on when i turn either left or right signal switch.
Answered by Jeff
Generally this is something caused by the flasher relay (https://www.yourmechanic.com/services/hazard-turn-signal-flasher-replacement) going bad. This is a small relay that allows the lights to flash based upon current flow and a resistor inside that causes them to flash. When this is faulty,...

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Most recent GMC C15 recalls

EQUIPMENT:OTHER:LABELS

Manufacturer’s report date:
April 9, 2001
NHTSA campaign ID number:
01V125000
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SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

Manufacturer’s report date:
August 7, 2000
NHTSA campaign ID number:
00V222000
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SEAT BELTS:FRONT:WEBBING

Manufacturer’s report date:
April 26, 2000
NHTSA campaign ID number:
00V122000
LEARN MORE

SEATS

Manufacturer’s report date:
May 19, 1999
NHTSA campaign ID number:
99V130000
LEARN MORE

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Trusted by thousands of happy car owners



Milton was great! Called to let me know when he'd be arriving. Very friendly & very thorough with his explanations. Took his time to make sure, double, triple check that everything was running properly. Very pleasant experience!



Tim was great; offered advice instead of just blindly fixing. Also Tim was super friendly and very genuine. Highly recommend!



I have to say I am totally satisfied with the service performance and Bernard is quite professional offering details of the work which was completed. I will definitely utilize your service in the future and will recommend to family and friends.