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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 Oil Change for 1976 GMC C15 V8-7.4L Estimate $79 Dealer Estimate $126 Savings 36.63% Location Denver, CO
Service type Fuel Filter Replacement for 1978 GMC C15 V8-5.7L Estimate $71 Dealer Estimate $98 Savings 27.23% Location Denver, CO
Service type Brake Rotor/Disc - Front Replacement for 1978 GMC C15 V8-5.0L Estimate $347 Dealer Estimate $617 Savings 43.82% Location Denver, CO
Service type Serpentine/Drive Belt Replacement for 1977 GMC C15 V8-5.7L Estimate $120 Dealer Estimate $195 Savings 38.52% Location Denver, CO
Service type Brake Rotor/Disc - Rear Replacement for 1978 GMC C15 V8-6.6L Estimate $293 Dealer Estimate $478 Savings 38.73% Location Denver, CO
Service type Brake Rotor/Disc - Front Replacement for 1975 GMC C15 V8-7.4L Estimate $225 Dealer Estimate $374 Savings 39.80% Location Denver, CO
Service type Car Air Filter Replacement for 1976 GMC C15 V8-5.7L Estimate $79 Dealer Estimate $111 Savings 28.80% Location Portland, OR
Service type Wheel Bearings - Passenger Side Front Replacement for 1978 GMC C15 L6-4.1L Estimate $270 Dealer Estimate $488 Savings 44.68% Location Portland, OR

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Meet some of our expert GMC C15 mechanics

Tyreek

Tyreek

15 Reviews; 19 years of experience
Great!
Atlanta, GA
September 13
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Max

Max

26 Reviews; 13 years of experience
Awesome
Auburn, WA
May 4
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Abdul

Abdul

167 Reviews; 7 years of experience
Abdul was terrific. Came to my house while it was raining. Had a good solution quickly to continue to work while it was raining, as I thought we would have to postpone. Great job!!!
Atlanta, GA
October 8
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Answers to common GMC C15 questions

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,...
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...

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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
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SEATS

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

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Tom went above and beyond to make me as satisfied as I could be. His communication was excellent. Friendly and professional and best if all, my car is running great and he did it without unnecessary repairs. I would and will highly recommend Tom and Your Mechanic to everyone. Thanks, Rob Miller.



Whitney was obvious exsperienced and knowlegeable of the problem. His actions was that of a true profesional



Whitney went above and beyond in solving my issues. Extremely friendly and extremely professional! Thanks, Whitney!

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