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2005 Buick Terraza problems

The most common problem on the 2005 Buick Terraza is electrical system, typically around 29,000 miles. It has 2.2 times the complaints of a typical Terraza model year.

Year to avoid2.2x the typical complaints
Year score
46/100
Owner complaints
120
Recalls
2
Service bulletins
561
Worst area
Electrical
Fuel economy
17-18mpg

The worst 2005 Buick Terraza problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

Problems by type

Tap a problem to see which part fails, at what mileage and in which other years.

Specific symptoms reported on the 2005 Buick Terraza

ABS 20Jerking 11Door locks 9Grinding brakes 7Stalling 6Headlights 5

Recalls 2

Suspension: rearReported March 19, 2010 · 5,375 vehicles affected
What is wrong
The braun corporation has notified the federal safety agency about a defect in certain model year 2005-2008 general motors mobility conversion, handicapped accessible low floor minivans. During conversion, the driver or passenger side trailing arm modification may not have been adequately welded.
Risk
A squeaking or clunking noise may develop. The trailing arm bushings may prematurely wear and the trailing arm may fracture or separate, allowing the rear axle to become partially separated from the chassis increasing the risk of a crash.
Remedy
Dealers will inspect and will have a supply of retrofit parts available to remedy the vehicles free of charge. The safety recall began on june 4, 2010. Owners may contact braun at 1‑800‑488‑0359.

Recall number 10V110000 · Recall details

Parking brakeReported June 20, 2005 · 14,600 vehicles affected
What is wrong
Certain sport utility vehicles fail to conform to the requirements of federal motor vehicle safety standard no. 135, 'passenger car brake systems.' to meet the standard, the vehicle must not move for five minutes when stopped on a steep hill with the parking brake applied and the vehicle in neutral (n). Some of these vehicles failed this test.
Risk
When the parking brake is released, the driver may notice unintended braking when accelerating, decelerating, or coasting, and a noise coming from the rear of the vehicle. Unintended vehicle movement could occur increasing the risk of a crash.
Remedy
Dealers will inspect for parking brake lever slippage at each rear brake caliper and replace the caliper if lever slippage is identified. The recall began on november 14, 2005. Owners may contact buick at 1‑866‑608‑8080, chevrolet at 1‑800‑630‑2438, pontiac at 1‑800‑620‑7668, or saturn at 1‑800‑972‑8876.

Recall number 05V287000 · Recall details

See all 2 recalls for the 2005 Buick Terraza

Defect investigations

Power sliding doorOpened December 11, 2007, closed February 23, 2009

Odi evaluated general motors' (gm) data, conducted consumer interviews, inspected and tested my 2005-2007 gm minivans with regard to the alleged defect of a power sliding door (psd) opening while the vehicle is out of park.odi identified a high warranty claim rate.however, these claims are related to various problems associated with doors not properly opening or closing and not specifically to doors opening while driving.the condition of the psd reversing direction during the closing sequence is consistent with an obstruction of the door, or with improper alignment of the door, and this is addressed in gm technical service bulletin # 07-08-64-007 and bulletins # 07-08-64-007a through d.odi's evaluation of the psd system notes numerous safeguards to preclude both unintentional and intentional power opening of the psd while the vehicle is in motion.a safety-defect trend has not been identified at this time.accordingly, this investigation is closed.[see document file for additional information regarding this resume.]

EA07019

Power sliding door openingOpened August 16, 2007, closed December 11, 2007

Odi has received reports that the power sliding doors opened without command while the vehicle was in motion on model year 2005 and 2006 general motors minivans (chevrolet uplander/venture, pontiac montana sv6/montana, buick terraza, and saturn relay).some reports indicate that the door may not have been closed and latched before driving away causing the door to reverse (open) at low vehicle speeds.however, other reports indicate that the door was initially shut then opened after driving for several minutes and/or miles at vehicle speeds between 20 and 70 MPH.odi has upgraded this preliminary evaluation to an engineering analysis (ea07-019) to further assess this issue.

PE07044

Electrical harness damageOpened November 29, 2005, closed March 6, 2006

The office of defects investigation opened this investigation on november 29, 2005, based on one consumer report to odi and a technical service bulletin issued by general motors.the bulletin, no. 1613174, issued on february 21, 2005, states in part, some customers may report a stall and/or no crank, no start condition after the wipers are used.analysis of the available data indicates that the problem experience occurs early in the life of the vehicle.approximately 80% of all failures occurred within the first 3,000 miles.additionally, 88% of the complaint vehicles were built in the first half of production.changes to the production process, the issuance of the service bulletin, and component modifications, appear to have resolved this issue. A safety related defect has not been identified at this time and further use of agency resources does not appear to be warranted.accordingly, this investigation is closed. The closing of this investigation does not constitute a finding by the federal safety agency that a safety-related defect does not exist.the agency will take further action if warranted by the circumstances.

PE05063

Technical service bulletins for the 2005 Buick Terraza 561

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

See all 561 bulletins for the 2005 Buick Terraza

2005 Buick Terraza fuel economy

Official EPA estimates in miles per gallon (MPGe for electric). Ranges cover trims that share the same engine.

EngineDriveCityHighwayCombined
3.5L 6‑cylFWD162318
3.5L 6‑cyl4WD152117

What 2005 Buick Terraza owners say

Most recent owner complaints, unedited.

Filed Jan 3, 2023 · Airbags · AL · crash

The contact owns a 2005 Buick Terraza. The contact stated that while driving at an undisclosed speed, the vehicle crashed into a deer. The steering wheel air bag deployed and ripped into pieces. There were sparks and smoke coming from the air bag. The contact did not sustain an injury, and medical attention was not received. A police report was not filed. The contact pulled over to the side of the road. The vehicle was towed to the residence and was not deemed totaled by the insurance company. The manufacturer was not made aware of the failure. The failure mileage was unknown.

Filed Dec 8, 2021 · Steering, Transmission · 151,000 miles · AZ

The contact owns a 2005 Buick Terraza. The contact stated while driving 20 MPH, while making a left turn, the vehicle loss motive power and jerked before stalling. The electronic stability warning light illuminated. The vehicle was restarted and operated as designed. The contact stated that the failure was intermittent. The contact took the vehicle to an independent mechanic to be diagnosed. The contact was informed that the steering angle sensor needed to be replaced. The vehicle was repaired however, the failure recurred. The contact called a local dealer and was informed that the failure was related to the transmission however, the vehicle was not taken to be diagnosed. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 151,000.

Filed May 21, 2019 · Brakes, Driver assistance · 134,509 miles · NC

Hello, I have a 2005 buick terraza cx awd. My ABS and traction control lights came on and when it did the vehicle started to apply the brakes itself pulling the vehicle to the left while driving. I couldn't control the vehicle. I started reading up on this, and it appears many other owners of this vehicle been having this same unsafe problem over the years and no recall is been done. This is a very serious issue!!! I'm surprise no one has been involved in an accident and been killed. I also notice this has been reported many times as well to the manufacture and they haven't done anything about it but come up with excuses to the owners like myself. Do someone has to be killed before a recall is done? I myself is going to take my video I had filming on my windshield when this incident ocurred and send it to all the major news media groups in this country and put it on social media as well. Thank you for reviewing my complaint, and hopefully the government make buick the manufacture do a safety recall asap. I can't upload my video because it's over the maximum size allowed to upload on this website.

Filed Aug 6, 2018 · Brakes, Driver assistance · 5,000 miles · FL

Brakes felt uneasy stopping did not respond right away sometime had to pull a side to prevent accident. Alternator don't start at all and ABS light stayed on most of time many repairs done same problem at dealer ship.

Filed Apr 20, 2018 · Body, Electrical · NC

Power sliding door alarm will sound going down the road saying the door is ajar even when door is locked closed

Filed Feb 20, 2018 · Driver assistance · 110,000 miles · LA

Tl* the contact owns a 2005 buick terraza. While driving approximately 55 MPH, the vehicle began to jerk and the "track system" and "stability" indicators illuminated. The vehicle stalled and was taken to the rogers dabbs chevrolet dealer at 1501 w government st. In brandon, ms where the vehicle was diagnosed. The diagnosis results were undetermined. The vehicle was not repaired. The manufacturer was not notified. The VIN was unknown. The approximate failure mileage was 110,000.

Filed Jun 20, 2017 · Brakes, Steering · 84,000 miles · CA · crash

Tl* the contact owns a 2005 buick terraza. While driving 5 MPH and attempting to make a right turn, the steering wheel and brake pedal seized. Also, the ABS and traction control indicators illuminated. The contact lost control of the vehicle and crashed into a fire hydrant. The air bags did not deploy. A police report was filed and there were no injuries. The vehicle was towed to the local dealer (ron smith buick gmc 1900 auto center drive, merced, ca 95340), but the cause of the failure could not be determined. The manufacturer was not notified of the failure. The failure mileage was approximately 84,000.

Filed Oct 3, 2016 · Brakes, Driver assistance · 90,900 miles · MN

At 90,900 mileage on my van, I started experiencing problems with my stability control, ABS, and my traction control system. When driving at numerous speeds, the stability control system would kick in, would grab at my drivers side front wheel and make the van swerve to the left. On the instrument panel, it would say to "service stability control". This has happened when I was traveling at 40 MPH, at 20 MPH, and just starting to drive after taking a turn. This has also happened to me today to where I was pressing the brake and the traction control kicked in on dry pavement while I was going less than 30 MPH. I have had my 4 children in the vehicle when this has occurred and has scared them as well as myself and my husband. This vehicle is our main form of transportation.

Filed Sep 28, 2016 · Electrical, Engine · 86,000 miles · CT

The ignition switch was disengaged when the van hit a bump while in motion on a highway. I was able to put it in natural and restart it but it was a very frightening ordeal. This has also happened on streets traveling 30 MPH.

Filed Aug 10, 2016 · Driver assistance · 117,297 miles · CA

When driving, usually at highway speeds, one of the front brakes will automatically grip, making the nose dive and making it hats to maintain control of the vehicle. The message displayed says to service the stability control system, which we have done with no resolution. We have nearly gotten in wrecks.

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Other model years

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Questions about the 2005 Buick Terraza

Is the 2005 Buick Terraza reliable?

Owners have filed 120 complaints about the 2005 Buick Terraza, 2.2 times a typical Terraza model year. It is one of the years we flag to avoid.

What is the 2005 Buick Terraza year score?

The 2005 Buick Terraza scores 46 out of 100 (below average). The score compares it with the other model years of the Buick Terraza: 75 is a typical year, 50 means twice the usual complaints, and serious complaints and recalls lower it.

What is the most common problem with the 2005 Buick Terraza?

Electrical system, with 37 complaints, typically around 29,000 miles. Next is driver assistance (35).

How many recalls does the 2005 Buick Terraza have?

2 recalls, covering suspension and parking brake.

What gas mileage does the 2005 Buick Terraza get?

Official estimates for the 2005 Buick Terraza range from 17 to 18 mpg combined. The most efficient version (3.5L 6-cyl, FWD) gets 16 city and 23 highway.

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