This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
full bulletin at NHTSA ↗2008 Chevrolet Impala brakes problems
moderate 28 complaints filed with NHTSA · avg repair $450 · see brakes across all vehicles →
Failure mileage
Complaints
28
Recalls
0
Avg fix
$450
1crash
What stands out
Owners have filed 28 brakes complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
Among the 13 model years of Chevrolet Impala in our records for brakes problems, this one ranks #3 by owner-complaint volume.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering brakes 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 communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
full bulletin at NHTSA ↗This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
full bulletin at NHTSA ↗This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
full bulletin at NHTSA ↗THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH STEPS TO DIAGNOSE AND REPAIR THE VEHICLE IF THE ABS LAMP IS ON WITH DIAGNOSTIC TROUBLE CODE C0035 C0040 OR UNWANTED TRACTION CONTROL ACTIVATION. TECHNICIAN WILL INSPECT THE WHEEL SPEED SENSOR HARNESS FOR DAMAGE. TECHNICIAN WILL REPAIR THE BROKEN OR DAMAGED WIRE FOR THE WHEEL SPEED SENSOR.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2008 Chevrolet Impala brake system shows a clear failure pattern starting at low mileage. Rotor warping is the most common complaint: owners report severe vibration and pulsation during braking, particularly on downhill grades or extended inclines. Rotors develop heat spots and uneven surfaces that dealers can see when inspecting, yet the problem reoccurs within 10,000 miles after resurfacing or pad replacement. Multiple owners encountered dealer resistance to warranty repair, with service managers claiming the vibration is normal, the owner's fault due to lug-nut torque or tire rotation, or something the driver should work around by downshifting instead of braking.
Brake fade and overheating compound the issue. Owners report loss of braking power on mountains and long downhill stretches; some claim the brake system is undersized for the vehicle weight. One owner's brakes were nearly useless after one-quarter mile of downhill driving and failed again within months of "repair."
Secondary failures include ABS malfunction (unresponsive or ineffective when engaged), traction-control faults tied to wheel-hub sensor problems that reappear after replacement, and brake-pedal assembly failure (stuck-in-Park condition) occurring out of warranty. A master cylinder leak appeared at 38,000 miles. Throughout these complaints, no manufacturer recall addressed the rotor warping or brake capacity issue, and dealer workarounds—downshifting, avoiding mountains, ignoring vibration—transfer responsibility to the owner rather than fixing the underlying defect.
Same Chevrolet Impala brakes reports on nearby years: 2005 · 2006 · 2007 · 2009 · 2010
Failure modes owners describe
Rotor Warping and Pulsation
Rotors warp prematurely, causing vibration and pulsation during braking, especially downhill. Rotors develop heat spots and uneven surfaces. Problem recurs within weeks or months after rotor resurfacing or replacement. Multiple owners report dealer claims this is normal, refuses warranty coverage, and advises downshifting instead of actual repair.
When: 10,000–38,600 miles; often within 10,000 miles after initial repair
Symptoms owners cite: Severe vibration or shaking when braking; Pulsation in brake pedal; Front-end shaking during braking; Violent shuddering on downhill grades or long slopes; Heat spots visible on rotors; Problem worsens with extended downhill driving
Repairs/costs cited: Dealers resurface, deglaze, or replace rotors and brake pads (sometimes heavy-duty pads). Problem recurs within 10,000 miles. One owner cited BBB mandate for free repair.
Recalls/TSBs owners mention: Dealer repeatedly advises downshifting as workaround. Denies warranty coverage, claims overheating is owner fault or normal operation. Advises against mountain driving.
Brake Fade and Overheating
Brake system overheats under moderate use, particularly on downhill grades or in hilly terrain. Owners report brakes fail to stop vehicle effectively and lose stopping power. Multiple owners cite brake system undersizing for vehicle weight as root cause.
When: Throughout vehicle life; can occur at low mileage
Symptoms owners cite: Brakes overheat during normal downhill driving; Brake fade and loss of stopping power; Pedal becomes unresponsive or mushy; Prolonged overheating on inclines
Repairs/costs cited: No effective repair documented. Dealers advise downshifting and avoiding mountainous terrain.
Recalls/TSBs owners mention: GM does not acknowledge brake system undersizing. Dealer advises behavioral workarounds (downshifting). No recall issued for brake system capacity.
ABS and Traction Control Malfunction
ABS fails to engage properly or does not slow vehicle when activated. Warning lights illuminate ('SERVICE TRACTION CONTROL SYSTEM' or traction control/ABS indicators). Wheel hub sensor failures trigger repeated ABS/traction-control faults.
When: 35,000+ miles; recurrent after repair
Symptoms owners cite: ABS pedal becomes hard and unresponsive; ABS does not reduce vehicle speed when activated; Traction control warning light illuminates; ABS warning light illuminated; Service traction control message on dash
Repairs/costs cited: Wheel hubs replaced (sometimes twice), but problem returns. No permanent fix documented.
Recalls/TSBs owners mention: Recall notice 14V355000 (Electrical System) issued but not confirmed to include all affected VINs.
Brake Pedal and Shift-Lock Mechanism Failure
Brake pedal assembly fails, including the cable connecting pedal to shift interlock. Vehicle becomes stuck in Park and cannot be shifted. One owner also reported brake pedal vibration transmitted to pedal itself.
When: 128,000 miles; out-of-warranty failures
Symptoms owners cite: Brake pedal vibration; Vehicle stuck in Park; cannot shift out of Park; Brake pedal unresponsive or hard to depress; Airbag warning light illuminates when brakes engaged
Repairs/costs cited: Brake pedal assembly replacement required. Cable between pedal and shift interlock replaced. Repairs done out of warranty; owner paid for towing and part replacement.
Recalls/TSBs owners mention: No recall or warranty coverage. Recall 14V355000 (Electrical System) may be related but not confirmed for affected VINs.
Brake Pad Corrosion
Brake pads corrode prematurely, damaging rotors and causing grinding noise. Occurs at very low mileage.
When: 16,500 miles
Symptoms owners cite: Loud grinding noise when braking; Corroded brake pads
Repairs/costs cited: Brake pads and rotors replaced at 16,500 miles.
Master Brake Cylinder Leak
Master brake cylinder develops external leak early in vehicle life.
When: 38,000 miles; 38 months of service
Symptoms owners cite: Brake fluid leak from master cylinder
Synthesized from 28 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
My car has a problem with the ABS traction control ive replaced the wheel hubs twice and the problem goes away and then it returns. Im tired of it because its costly and I do not have money I work a part time job. Also the car loses power it starts stating reduced engine power on my dash its dangerous because its done this to me a few times on the freeway.
Had brakes trouble with your 2008 Chevrolet Impala?
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 brakes problem on the 2008 Chevrolet Impala?
It's a documented issue but not catastrophic. 28 complaints have been filed. Repairs average $450 and most owners catch it before it causes a breakdown.
At what mileage does the brakes typically fail?
Across the 26 complaints that reported odometer mileage, most brakes failures cluster between 17,000 and 55,000 miles, with the median around 35,000. A quarter of owners report trouble before 17,000; a quarter make it past 55,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $450 for brakes 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 brakes?
No active recalls currently cover brakes 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/2008/Chevrolet/Impala.
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.