This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.
full bulletin at NHTSA ↗2005 Pontiac Bonneville steering problems
moderate 5 complaints filed with NHTSA · avg repair $700 · see steering across all vehicles →
Complaints
5
Recalls
0
Avg fix
$700
When does it fail?
Of the 5 steering complaints filed for the 2005 Pontiac Bonneville, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Steering accounts for 19% of all owner complaints filed against this vehicle, across 3 categories tracked.
No new NHTSA steering complaint has been filed on this vehicle in over 16 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering steering on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair the vehicles that may have unwanted or phantom phone calls. Technician will need to determine what type of call the customer is having that is unwanted. The vehicle may receive an incoming call just like any other phone. Typically the customer will hear the phone ringing in the vehicle. This scenario also includes incoming Bluetooth calls. One type of unwanted call can be made if the key pad is faulty the OnStar system will try to make a blue button call for shorted voltage in the circuits. The OnStar module could have an internal fault and produce a ″Phone Unavaila
full bulletin at NHTSA ↗RELEASE OF STEERING GEAR STUB SHAFT BEARING KIT FOR SERVICE. UPDATED 08-15-07. UPDATED 10/09/07.
full bulletin at NHTSA ↗CLUNK FELT/NOISE HEARD FROM STEERING COLUMN, STEERING GEAR AND/OR FRONT OF VEHICLE DURING MANEUVER AND/OR STEERING WHEEL ROTATION. (REPLACE INTERMEDIATE SHAFT).
full bulletin at NHTSA ↗CLUNK FELT/NOISE HEARD FROM STEERING COLUMN, STEERING GEAR AND/OR FRONT OF VEHICLE DURING TURNING MANEUVER AND/OR STEERING WHEEL ROTATION.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 4 most recent
2005 Pontiac bonneville, clunking noise in steering. Per dealer, intermediate shaft is manufacturer known problem, while under warranty shaft was lubed, then replaced, then lubed again. Problem persists and is worse in cold weather. Steering becomes less than accurate providing improper road feedback and improper response to driver input. My concern is that shaft will fail or will cause other…
Trying to make hard turn either left or right mostly while parking the power steering locks or gets really tight. Put power steering fluid in. Does nothing at all. What can I do. Looking at other post...obviously nothing. *tr
Magnasteer issue: extremely difficult steering at low speeds (below 15 MPH) when vehicle is at operating temperature. Summer time conditions enhance this problem. When the steering fluid heats up, the steering becomes more difficult or impossible. The magnasteer rack has been replaced 1 time. This cured the problem temporarily (1000 miles). The dealership has worked feverishly and extremely well…
When the right front wheel passes through standing water moisture is deflected onto the serpentine belt. The serpentine belt slips causing a loss of power steering which renders the vehicle not able steer until the serpentine belt stops slipping. Multiple occurrences. *tr
Had steering trouble with your 2005 Pontiac Bonneville?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the steering problem on the 2005 Pontiac Bonneville?
It's a documented issue but not catastrophic. 5 complaints have been filed. Repairs average $700 and most owners catch it before it causes a breakdown.
At what mileage does the steering typically fail?
Based on the 5 complaints filed, steering issues most often appear around 64,200 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $700 for steering repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to steering?
No active recalls currently cover steering issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2005/Pontiac/Bonneville.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.