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How much does GMC P15 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 P15 services.

Service Estimate Dealer Estimate Your Savings Location
Service type Brake Pads - Front Replacement for 1977 GMC P15 L6-4.8L Estimate $159 Dealer Estimate $274 Savings 41.82% Location Denver, CO
Service type Differential/Gear Oil Replacement for 1978 GMC P15 L6-4.8L Estimate $86 Dealer Estimate $127 Savings 32.43% Location Denver, CO
Service type Brake Pads - Front Replacement for 1978 GMC P15 L6-4.8L Estimate $159 Dealer Estimate $274 Savings 41.82% Location Denver, CO
Service type Differential/Gear Oil Replacement for 1976 GMC P15 L6-4.8L Estimate $86 Dealer Estimate $127 Savings 32.43% Location Denver, CO
Service type Differential/Gear Oil Replacement for 1977 GMC P15 L6-4.8L Estimate $86 Dealer Estimate $127 Savings 32.43% Location Denver, CO
Service type Oil Change for 1977 GMC P15 L6-4.8L Estimate $85 Dealer Estimate $138 Savings 37.80% Location Denver, CO
Service type Brake Rotor/Disc - Front Replacement for 1977 GMC P15 L6-4.8L Estimate $352 Dealer Estimate $614 Savings 42.69% Location Denver, CO
Service type Oil Change for 1975 GMC P15 L6-4.8L Estimate $85 Dealer Estimate $138 Savings 37.80% Location Denver, CO

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Meet some of our expert GMC P15 mechanics

Gary

Gary

20 Reviews; 31 years of experience
Punctual, polite, professional and personable....can't ask for much more than that!! Using YourMechanic is the best decision I've made in a while. I couldn't be happier or more pleased!
Marietta, GA
February 18
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Martin

89 Reviews; 38 years of experience
Very helpful.
Austin, TX
July 11
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Ricardo

Ricardo

122 Reviews; 7 years of experience
Did an excellent job on cleaning the throttle and setting the calibrations to where it should read, I appreciate that he check or Inspected the rest if my truck and explain them to me and get them check out in the future . I would use Richardo again . He got an A+ in my book !!! Thank you, Luis Beza
Bell, CA
January 4
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Answers to common GMC P15 questions

Q: 99 GMC SUBURBAN running lean and starving for fuel when stompped on.
Answered by Norman
Hi there. Is there a check engine light on? If so, what are the codes, freeze frame data? Stored codes and data will aid in diagnosing what is occurring. What does the data look like from the O2 sensors? Which...
Q: Fuel gauge not working.
Answered by Jeff
This is a problem likely related to your fuel tank sending unit. This is a small float type component inside your fuel tank that measures the level of the fuel inside the tank. As the fuel level drops, the float...
Q: My ignition switch doesn't start don't turn
Answered by Tim
Hi there. If the ignition won't turn when you insert the key, it's likely that the ignition lock cylinder is damaged and needs to be replaced. However, it could be an issue with the steering column as well, which is...
Q: My truck decelerated from 65mph on a flat surface without any warning.
Answered by Marvin
First check for any fuel in the fuel tank. If there is fuel in the fuel tank, then turn on the key and listen for the fuel pump to hum. If there is not humming sound, then check the fuel...

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