Buick GS 400 service by top-rated mechanics at the convenience of your home or office

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How much does Buick GS 400 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 Buick GS 400 services.

Service Estimate Dealer Estimate Your Savings Location
Service type Differential/Gear Oil Replacement for 1968 Buick GS 400 V8-6.6L Estimate $96 Dealer Estimate $135 Savings 28.62% Location Denver, CO
Service type Oil Change for 1969 Buick GS 400 V8-6.6L Estimate $93 Dealer Estimate $143 Savings 34.91% Location Denver, CO
Service type Ball Joint Front - Lower Left Replacement for 1969 Buick GS 400 V8-6.6L Estimate $251 Dealer Estimate $376 Savings 33.11% Location Denver, CO
Service type Oil Change for 1968 Buick GS 400 V8-6.6L Estimate $93 Dealer Estimate $143 Savings 34.91% Location Denver, CO
Service type Ball Joint Front - Lower Left Replacement for 1968 Buick GS 400 V8-6.6L Estimate $251 Dealer Estimate $376 Savings 33.11% Location Denver, CO
Service type Differential/Gear Oil Replacement for 1969 Buick GS 400 V8-6.6L Estimate $96 Dealer Estimate $135 Savings 28.62% Location Denver, CO

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Meet some of our expert Buick GS 400 mechanics

Isai

Isai

216 Reviews; 23 years of experience
Isai should up on time and just like the inspection service he provided last week, the repair was done at my work site. He spend time to help me understand my car, the repair and even how to submit my receipt to my extended warranty company. I highly recommend this service and this mechanic.
San Antonio, TX
September 6
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Anthony

Anthony

44 Reviews; 7 years of experience
Even though the fix was harder than anticipated, Anthony always had a good attitude. He was proactive when problems occurred with the fix. I highly recommend him for all your car's needs.
Burleson, TX
February 18
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Matthew

Matthew

6 Reviews; 7 years of experience
Awesome job
Henderson, NV
March 16
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Fast and easy Buick GS 400 services at your home or office.

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Answers to common Buick GS 400 questions

Q: Loud knocking noise
Answered by Jerel
First the location of the knocking must be determined. The fix will vary greatly depending on the cause of the noise. Suspension components may have become worn or broken. Brake pads with worn hardware can also make some noise as...
Q: Ball joint replacement
Answered by Tim
Hi there: If the ball joint snapped off the housing, (causing the tire to almost completely come off - as you described above); then it will require the housing to be replaced as well. The housing or control arms connect...
Q: Engine won't stay running.
Answered by Jay
There happens to be two different fuel pressure specs depending on your VIN number if it has a 1 or a K for the 8th digit. The spec for the 1 is 48 to 54 psi and if yours is...
Q: Car won't start. Battery, starter & fuses ok. Suspect relay behind dash is there an easy way to access this relay?
Answered by Richard
The starter relay (https://www.yourmechanic.com/services/starter-relay-replacement) is located under the driver side speaker in the dash, mounted to the firewall. It may be possible to remove the speaker and reach the relay. If you are not comfortable with the repair or would...

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Jason is knowledgable, reliable and friendly person. He took his time to explain things about my car. I highly recommend YourMechanic and Jason's service.



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



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!

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