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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 Differential/Gear Oil Replacement for 1978 GMC P15 L6-4.8L Estimate $96 Dealer Estimate $135 Savings 28.62% Location Denver, CO
Service type Oil Change for 1976 GMC P15 L6-4.8L Estimate $93 Dealer Estimate $143 Savings 34.91% Location Denver, CO
Service type Serpentine/Drive Belt Replacement for 1976 GMC P15 L6-4.8L Estimate $125 Dealer Estimate $192 Savings 35.01% Location Denver, CO
Service type Differential/Gear Oil Replacement for 1976 GMC P15 L6-4.8L Estimate $96 Dealer Estimate $135 Savings 28.62% Location Denver, CO
Service type Differential/Gear Oil Replacement for 1975 GMC P15 L6-4.8L Estimate $96 Dealer Estimate $135 Savings 28.62% Location Denver, CO
Service type Ball Joint Front - Lower Left Replacement for 1978 GMC P15 L6-4.8L Estimate $240 Dealer Estimate $354 Savings 32.10% Location Denver, CO
Service type Oil Change for 1977 GMC P15 L6-4.8L Estimate $83 Dealer Estimate $131 Savings 36.55% Location Portland, OR
Service type Oil Change for 1975 GMC P15 L6-4.8L Estimate $83 Dealer Estimate $131 Savings 36.55% Location Portland, OR

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Meet some of our expert GMC P15 mechanics

Joe

Joe

374 Reviews; 39 years of experience
Joe was professional, I enjoyed that he took his time to explain all the issues in terms i could understand. Great mechanic
Clearwater, FL
September 17
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Justin

Justin

70 Reviews; 16 years of experience
Very helpful and knowledgeable
Converse, TX
July 13
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Jonathan

Jonathan

171 Reviews; 18 years of experience
This is the 2nd prepurchase inspection I have used Jonathan for. His knowledge of GMC vehicles is very extensive, and he is very willing to offer his opinion. I highly recommend him, his level of customer service is excellent.
Denver, CO
November 29
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Answers to common GMC P15 questions

Q: Where can I install a fuse for my new power windows and locks on my 1996 GMC
Answered by Robert
Hello. I am not exactly clear what you are asking, but it sounds like you are having an issue trying to decide where to get power from for your new doors. The best thing to do would be to add...
Q: Belts came off
Answered by Mia
Your vehicle uses two serpentine belts: one for the accessories and one for the A/C. I have known the A/C belt tensioners to fail on these vehicles, causing damage to the belt. There is also a technical service bulletin (TSB)...
Q: hatch wiper blinker lights
Answered by Jamahl
Hello. It is possible that the wiring somewhere in your truck is causing this problem. It may be that wiring was damaged during the accident or during the repairs. It is likely that a section of your vehicle’s wiring harness...
Q: Gas gauge malfunctioning and Service Engine Light on
Answered by Mia
Thank you for asking about your 2006 GMC Sierra 1500 HD. More than likely, the problem is the fuel sensor, which is built into the fuel sending unit. This assembly is mounted in the gas tank. This is a common...

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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.



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.



Patrick was very professional and polite. He inspected my car and found that it wasn't as bad as I thought it was. He is very friendly and I would DEFINATELY recommend Patrick to all my family, friends and co-workers.

How can we help?

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