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How much does GMC K25 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 K25 services.

Service Estimate Dealer Estimate Your Savings Location
Service type Oil Change for 1978 GMC K25 V8-7.4L Estimate $102 Dealer Estimate $159 Savings 35.91% Location Denver, CO
Service type Oil Change for 1978 GMC K25 V8-6.6L Estimate $102 Dealer Estimate $159 Savings 35.91% Location Denver, CO
Service type Differential/Gear Oil Replacement for 1976 GMC K25 V8-7.4L Estimate $84 Dealer Estimate $124 Savings 31.99% Location Denver, CO
Service type Differential/Gear Oil Replacement for 1976 GMC K25 L6-4.8L Estimate $84 Dealer Estimate $124 Savings 31.99% Location Denver, CO
Service type Differential/Gear Oil Replacement for 1978 GMC K25 V8-7.4L Estimate $84 Dealer Estimate $124 Savings 31.99% Location Denver, CO
Service type Oil Change for 1975 GMC K25 L6-4.8L Estimate $102 Dealer Estimate $159 Savings 35.91% Location Denver, CO
Service type Oil Change for 1978 GMC K25 L6-4.8L Estimate $102 Dealer Estimate $159 Savings 35.91% Location Denver, CO
Service type Differential/Gear Oil Replacement for 1978 GMC K25 V8-5.7L Estimate $84 Dealer Estimate $124 Savings 31.99% Location Denver, CO

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Meet some of our expert GMC K25 mechanics

Nelson

Nelson

45 Reviews; 21 years of experience
Came on time, (early actually) was able to get my car started, test all the major potential issues, and diagnosed in about an hour.
Antelope, CA
September 26
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Curtis

Curtis

9 Reviews; 24 years of experience
very good job
North Augusta, SC
October 22
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Refugio

Refugio

17 Reviews; 12 years of experience
Positive
San Antonio, TX
November 23
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Fast and easy GMC K25 services at your home or office.

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Answers to common GMC K25 questions

Q: Ignition problems
Answered by Robert
Hello. If you are losing battery power to particular circuits then most of the time this is caused by a bad ground connection, a failing battery cable (https://www.yourmechanic.com/services/battery-cable-replacement), or it may be a bad transmission position sensor (https://www.yourmechanic.com/services/transmission-position-sensor-switch-replacement). It is...
Q: 1979 GMC Van is overheating
Answered by Scotty
I have a video "How to Fix an Overheating Car" (https://www.youtube.com/watch?v=evpaTW2WJ5Y). You should watch it because it has to be one of those things that make it overheat. The only other thing it could be is if your catalytic converter...
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: I have a 99 Yukon when I put it in reverse it goes forward. It has only done it twice
Answered by Marvin
Hello and thank you for contacting YourMechanic. Make sure the linkage on the side of trans moves along with the shifter cable (https://www.yourmechanic.com/services/shift-selector-cable-replacement) as the cable moves. If that's okay, then drop pan and check the linkage to manual valve...

Fast and easy GMC K25 services at your home or office.

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Most recent GMC K25 recalls

SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

Manufacturer’s report date:
August 7, 2000
NHTSA campaign ID number:
00V222000
LEARN MORE

SEATS

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

SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE

Manufacturer’s report date:
May 6, 1996
NHTSA campaign ID number:
96V082000
LEARN MORE

SEATS

Manufacturer’s report date:
December 20, 1995
NHTSA campaign ID number:
95V246000
LEARN MORE

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



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