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 Savings Dealer Estimate Location
Service type Cooling System Flush for 1969 Buick GS 400 V8-6.6L Estimate $232 Savings 27.52% Dealer Estimate $320 Location Littleton, CO
Service type Control Arm Assembly - Rear Upper Right Replacement for 1968 Buick GS 400 V8-6.6L Estimate $217 Savings 38.29% Dealer Estimate $351 Location Chesapeake, VA
Service type Door Mirror - Driver Side Replacement for 1969 Buick GS 400 V8-6.6L Estimate $284 Savings 39.27% Dealer Estimate $468 Location Fort Washington, MD
Service type Door Mirror - Passenger Side Replacement for 1969 Buick GS 400 V8-6.6L Estimate $389 Savings 44.53% Dealer Estimate $701 Location Lancaster, PA
Service type Control Arm Assembly - Rear Lower Right Replacement for 1968 Buick GS 400 V8-6.6L Estimate $462 Savings 43.98% Dealer Estimate $825 Location Smithtown, NY
Service type Windshield Wiper Motor - Rear Replacement for 1968 Buick GS 400 V8-6.6L Estimate $404 Savings 44.55% Dealer Estimate $729 Location Minneapolis, MN
Service type Brake Master Cylinder Replacement for 1968 Buick GS 400 V8-6.6L Estimate $259 Savings 40.11% Dealer Estimate $433 Location Oceanside, CA
Service type Exterior Door Handle - Driver Side Front Replacement for 1969 Buick GS 400 V8-6.6L Estimate $212 Savings 35.77% Dealer Estimate $330 Location Raleigh, NC

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Answers to common Buick GS 400 questions

I changed the fuel pump and now my gas gauge doesn't work
Answered by Jay
The fuel level sender on this vehicle is connected to the fuel pump module that goes in the fuel tank. When you were installing the fuel pump module back into the fuel tank you may have inadvertently bent or damaged...
I have a misfire on the front bank 2, 4, & 6.
Answered by Kevin
I suggest you request an electrical diagnostic (https://www.yourmechanic.com/services/electric-problems-inspection). Note that the control of some of these circuits is effected by switching of the ground side of the circuit (if so, each coil would have a separately wired ground) so the...
Replaced rt.& Left Rotors and brake pads. Also Rt. hub. the problem is ABS & brake light still come on. Does this have be reset ? 2004 Buick Ranier
Answered by David
Hello - the short answer is "Yes", the ABS problem code (https://www.yourmechanic.com/article/what-to-do-when-your-abs-light-comes-on-by-spencer-cates) needs to be cleared with an appropriate Scan/Reset tool. This also begs the question "Was the ABS specific code read when the ABS light first came on, so...
Car shake when going over small bumps.
Answered by Marvin
The suspension could be loose or have a broken bushing causing the control arms to move around or the shock absorbers are worn and causing the tires to bounce violently at highway speeds. If you need further assistance with your...

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