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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 Axle / CV Shaft Assembly - Driver Side Front Replacement for 1969 Buick GS 400 V8-6.6L Estimate $269 Savings 40.46% Dealer Estimate $452 Location Houston, TX
Service type Car AC Repair for 1969 Buick GS 400 V8-6.6L Estimate $219 Savings 40.34% Dealer Estimate $367 Location Houston, TX
Service type Door Mirror - Passenger Side Replacement for 1969 Buick GS 400 V8-6.6L Estimate $310 Savings 45.55% Dealer Estimate $570 Location Houston, TX
Service type Differential / Gear Oil - Front Replacement for 1968 Buick GS 400 V8-6.6L Estimate $117 Savings 36.27% Dealer Estimate $184 Location Houston, TX
Service type Door Lock Actuator - Passenger Side Rear Replacement for 1968 Buick GS 400 V8-6.6L Estimate $376 Savings 43.11% Dealer Estimate $662 Location Houston, TX
Service type Headlight Bulb - Driver Side High Beam Replacement for 1969 Buick GS 400 V8-6.6L Estimate $93 Savings 31.33% Dealer Estimate $135 Location Houston, TX
Service type Axle / CV Shaft Assembly - Passenger Side Rear Replacement for 1969 Buick GS 400 V8-6.6L Estimate $223 Savings 43.59% Dealer Estimate $395 Location Houston, TX
Service type Valve Cover Gasket Replacement for 1968 Buick GS 400 V8-6.6L Estimate $133 Savings 38.26% Dealer Estimate $216 Location Houston, TX

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Answers to common Buick GS 400 questions

Q: My enclave will not go in reverse and the trans oil smells burnt. Do you think the flex plate is damaged?
Answered by Marvin
Hi there. If your transmission oil is black or burned and the transmission will not go into reverse, then the reverse input clutch is burned and slipping. There is nothing wrong with the flex plate as it would effect all...
Q: Car was running rough, so I figured out it was a faulty ICM. Changed that, now car won't even start.
Answered by Jessica
Hello, thank you for writing in. With the new module you installed, there is likely some other issue with an input to the computer. Either that or the computer itself is having issues. You can only test the computer by...
Q: Q: Transmission fluid leak
Answered by Rocco
A leaking transmission is definitely a reason for concern. Lack of fluid can prevent the transmission from shifting properly and eventually leave you and your vehicle stranded if it is left unresolved. The information provided on your Buick is a...
Q: Won't start right away. Chugs while excellerating .
Answered by Jay
Your 1995 Buick LeSabre has two different problems: The hard start problem is the fuel pressure not being maintained after shut down. This can be caused by the fuel pump (https://www.yourmechanic.com/services/fuel-pump-replacement) in the tank or the pressure regulator (https://www.yourmechanic.com/services/fuel-pressure-regulator-replacement) on...

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

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