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

Our certified mechanics come to you · Backed by our 12-month, 12,000-mile warranty · Get fair and transparent estimates upfront

GET A QUOTE Backed by 12-month, 12,000-mile guarantee
Red-stars EXCELLENT RATING ON

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 Savings Dealer Estimate Location
Service type Exterior Door Handle - Driver Side Rear Replacement for 1968 Buick GS 400 V8-6.6L Estimate $279 Savings 42.47% Dealer Estimate $485 Location New Boston, MI
Service type Exterior Door Handle - Passenger Side Rear Replacement for 1968 Buick GS 400 V8-6.6L Estimate $284 Savings 42.16% Dealer Estimate $491 Location Lansdowne, PA
Service type Differential / Gear Oil - Front Replacement for 1969 Buick GS 400 V8-6.6L Estimate $129 Savings 31.70% Dealer Estimate $190 Location Perris, CA
Service type Brake Light Switch Replacement for 1969 Buick GS 400 V8-6.6L Estimate $124 Savings 26.22% Dealer Estimate $168 Location Atascosa, TX
Service type Headlight Bulb - Passenger Side Low Beam Replacement for 1969 Buick GS 400 V8-6.6L Estimate $116 Savings 32.01% Dealer Estimate $171 Location Bedford, MA
Service type Control Arm Assembly - Rear Lower Right Replacement for 1968 Buick GS 400 V8-6.6L Estimate $434 Savings 45.21% Dealer Estimate $792 Location Saint Cloud, FL
Service type Ball Joint Front - Lower Right Replacement for 1969 Buick GS 400 V8-6.6L Estimate $340 Savings 30.24% Dealer Estimate $487 Location Western Springs, IL
Service type Window Motor / Regulator Assembly - Passenger Side Rear Replacement for 1968 Buick GS 400 V8-6.6L Estimate $359 Savings 42.53% Dealer Estimate $626 Location Tulsa, OK

Fast and easy Buick GS 400 services at your home or office.

Get an instant quote
Backed by 12-month, 12,000-mile guarantee
Abc-logo

“Finding a trusted mechanic at a reasonable price can be extremely difficult. With YourMechanic you can skip the auto shop altogether. They send certified and screened mechanics straight to your door and enable you to save big on car repair and maintenance.”

– ABC NEWS
Inc-logo

“YourMechanic will come to wherever your car is to perform any of a wide variety of car maintenance and repair services, and will charge you less than you'd normally pay if you were to drop your car off at a garage.”

– INC.
Fox-logo

"YourMechanic will fix your car at your garage at a fixed hourly rate much lower than their brick-and-mortar counterparts."

– FOX NEWS

Answers to common Buick GS 400 questions

Engine overheating and steam from vents also when i loosen the screw on engine air comes out for about 30 seconds
Answered by Jeff
Hello, Overheating can be caused by a number of things such as low coolant levels, a faulty thermostat (https://www.yourmechanic.com/services/thermostat-replacement), a clogged radiator (https://www.yourmechanic.com/services/radiator-replacement) or a failing coolant fan switch. As you may know the coolant fan switch (https://www.yourmechanic.com/services/cooling-fan-relay-replacement) helps to...
manual key ( no remote ) only opens and closes driver side door. other doors wont open/close.
Answered by Tim
Hi Varun. Thanks for submitting your question this morning. Usually, when you use a manual key to unlock a door, it will only unlock that individual door. I'm not 100% sure that unlocking all doors is a feature of this...
Is my alternator bad or my cables?
Answered by Robert
Hello. If the vehicle is only working when the charger is installed then there is high resistance in the vehicles electrical system. Most of the time it is caused by a bad positive battery cable (https://www.yourmechanic.com/services/battery-cable-replacement). I usually do a...
Misfiring cylinder
Answered by Jerel
When the on-board diagnostic system picks out specific cylinders for misfires, the ignition and fuel delivery systems must be inspected. A misfire on a single cylinder may involve the spark plug or fuel injector related to that cylinder. In the...

Fast and easy Buick GS 400 services at your home or office.

Get an instant quote
Backed by 12-month, 12,000-mile guarantee