Sun roof off track - dealer claims gum caused the malfunction due to owner's responsibility/negligence - refusing to repair under warranty. *tr
2006 Chevrolet Trailblazer body problems
severe 25 complaints filed with NHTSA · avg repair $1,500 · see body across all vehicles →
Failure mileage
Complaints
25
Recalls
0
Avg fix
$1,500
2fires
When does it fail?
Of the 25 body complaints filed for the 2006 Chevrolet Trailblazer, 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
Of the 6 model years of Chevrolet Trailblazer we track for body problems, this one carries the most owner complaints on file — 25.
Owners have filed 25 body 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.
The failure pattern owners describe
Buyer takeaway: 2006 Trailblazer body components suffer from widespread durability issues: door handles corrode internally, windows and hatches fail due to adhesive breakdown, trim pieces detach at highway speed, and paint bubbles repeatedly. Rust, loose doors, and electrical fire risks add serious safety concerns not fully addressed by Chevrolet recalls or warranty coverage.
The 2006 Trailblazer body shows chronic corrosion and adhesive failure problems. Door handles corrode inside sealed cavities, mounting brackets disintegrate, and doors become inoperable—a safety hazard if escape is needed. Rear windows and hatch glass hinges rely on adhesive that fails in heat or wind, causing windows to blow out at highway speed and hatch panels to separate. Owners report the brake light cover assembly fractures and detaches repeatedly, becoming roadside debris. Paint bubbles on doors, hood, and hatch starting at 1,000 miles and recurring every few years despite dealer repairs; dealers cannot identify the cause. Front windows rattle constantly and are noisy above 50 mph. Tailgate latches rust internally. Frame corrosion shows up early. Two fire incidents were reported post-recall, one consuming the entire vehicle. Doors loosen from frames, emblems deteriorate and fall off repeatedly even after replacement, and the rear hatch button sticks in winter. Chevrolet denies coverage on corrosion issues by blaming regional climate, refuses to cover out-of-warranty hatch and window failures despite acknowledging them as known defects, and a recall for door module corrosion did not resolve persistent lock and window failures.
Same Chevrolet Trailblazer body reports on nearby years: 2005
Failure modes owners describe
Door Handle Assembly Corrosion and Failure
Rear passenger door handles pull away from door housing due to severe internal corrosion of the mounting bracket. The bracket corrodes inside the sealed door cavity and disintegrates when the door is closed, making the handle inoperable. This creates a safety hazard if rapid evacuation is needed.
When: Affects vehicles in humid climates like the Northeast; corrosion occurs inside the door housing despite no external damage visible
Symptoms owners cite: Door handle pulls away from housing into occupant's hand; Rust staining visible below handle assembly; Handle becomes inoperable after bracket failure; Mounting bracket disintegrates internally
Repairs/costs cited: Mounting bracket must be replaced; dealers cited awareness of problem but refused to cover repair citing regional climate as the cause
Recalls/TSBs owners mention: Chevrolet acknowledged the problem but denied coverage claiming it is climate-related and not a manufacturing defect
Rear Window Adhesive Failure and Delamination
Adhesive bonding the rear window to the frame separates, causing the window to become loose, lopsided, and eventually shatter. In one case, the window blew out completely at highway speed, with glass and plastic trim flying into traffic.
When: Occurs during normal driving; one failure documented at undisclosed mileage; another with lopsided window noticed before catastrophic blow-out
Symptoms owners cite: Window appears lopsided in frame; Adhesive visibly separated from window edge; Window blows out during highway driving without warning; Plastic trim cover flies off into traffic; Glass shatters inside vehicle and on roadway
Repairs/costs cited: Dealership states window cannot be re-glued and must be completely replaced; quoted cost $1,000; one owner report of replacement cost not specified
Recalls/TSBs owners mention: Not covered out of warranty; manufacturer offered no recall or assistance
Rear Hatch Glass Hinge Adhesive Failure
The adhesive holding the glass hatch hinges fails in heat or high wind conditions, causing the hinge to detach and the glass panel to become inoperable. In extended models with dual-panel hatches, failure of one hinge compromises the entire rear hatch operation.
When: Two documented cases: summer heat in Florida, and windy conditions; reported on 2006 extended models
Symptoms owners cite: Plastic hinge mold lifts and detaches from vehicle top; Hinges come unglued from window; Other hinges crack under wind load once primary hinge fails; Glass hatch cannot be lifted or opened; Air leakage through rear hatch area
Repairs/costs cited: Repair cost reported at $1,300-$1,700; Chevrolet states this is a known defect on Tahoes, Yukons, and Trailblazers but refuses warranty coverage
Recalls/TSBs owners mention: Chevrolet acknowledged the problem as a known defect but refused to repair or compensate out-of-warranty vehicles
Rear Brake Light Cover Assembly Detachment
The rear center brake light cover assembly mounted above the rear hatch fractures and separates from the vehicle during normal driving. The assembly can blow off and fall onto the roadway, creating a traffic hazard. Multiple failures on same vehicle.
When: Documented at 35,000 miles and 65 mph; recurred after dealer repair; another vehicle had failure that resulted in roadway debris
Symptoms owners cite: Brake light cover fractures; Assembly separates from vehicle during highway driving; Cover blows off vehicle into traffic; Plastic trim shattered on roadway; Failure repeats after dealer replacement
Repairs/costs cited: Dealership can replace assembly, but repeated failures documented; repair cost not specified
Recalls/TSBs owners mention: No recall issued; manufacturer made aware of failure but took no action
Rear Spoiler or Tailgate Trim Detachment
Rear spoiler or rain guard trim kit breaks away from tailgate during normal highway driving, becoming a projectile hazard. One case documented at 65 mph; another at 60 mph in rain.
When: At 60 mph in rain (74,000 miles); at 65 mph (spoiler); undisclosed mileage (rain guard)
Symptoms owners cite: Rain guard trim kit breaks and hangs from vehicle; Spoiler separates and flies into oncoming traffic; Vehicle shaking noted before trim failure; Trim design inadequate for highway speeds
Repairs/costs cited: Dealership refused coverage, claiming no damage evident and warranty expired; spoiler case noted dealer unable to assist out of warranty
Recalls/TSBs owners mention: No recalls; manufacturer denies design defect responsibility
Paint Bubbling and Delamination on Doors and Panels
Paint bubbles and delamels on doors, rear hatch, and hood starting very early in ownership. Bubble recurs multiple times despite dealer repairs. Dealer unable to identify root cause or provide permanent fix.
When: First occurrence at 1,000 miles; recurred at 3-year intervals; pattern documented on multiple 2005-2006 Trailblazers
Symptoms owners cite: Paint bubbles on driver and passenger doors; Paint bubbles on rear hatch; Paint bubbles on front hood; Bubbling recurs after repair; Multiple dealer repairs unable to resolve
Repairs/costs cited: Dealer repaired twice but unable to provide permanent fix; owner bearing repeated costs
Recalls/TSBs owners mention: Dealer unable to identify cause; no manufacturer response documented; issue affects multiple model years
Front Window Rattling and Wind Noise
Front windows rattle persistently, even when closed, especially at highway speeds over 50 mph. Excessive wind noise documented on multiple vehicles. Dealer claims rattling is normal design characteristic.
When: Affects multiple 2006 vehicles; wind noise at speeds above 50 mph
Symptoms owners cite: Front windows rattle horribly when closed or open; Excessive wind noise at highway speeds; Film builds up on windows continuously; Issue present across multiple Trailblazer units
Repairs/costs cited: No repair available; dealer dismisses as normal construction
Recalls/TSBs owners mention: Manufacturer claims no complaints received; dealer states no fixes available
Rear Tailgate Latch Corrosion and Failure
Tailgate latch rusts internally, preventing proper closure and locking of the rear hatch. Latch requires replacement.
When: Mileage not specified
Symptoms owners cite: Lift gate does not close properly; Latch shows rust; Hatch fails to secure
Repairs/costs cited: Latch requires replacement; repair cost not provided
Recalls/TSBs owners mention: Manufacturer notified but offered no assistance
Rear Hatch Button Sticking in Winter
The external button on the rear hatch becomes stuck during winter months, preventing the hatch from unlocking or opening. Issue recurs multiple times during cold weather season.
When: Winter months; recurring issue
Symptoms owners cite: Exterior hatch release button becomes stuck; Hatch will not unlock when button is stuck; Recurs multiple times per winter season
Repairs/costs cited: Dealer claims nothing is wrong despite repeated complaints
Recalls/TSBs owners mention: No manufacturer response documented
Door-to-Frame Separation and Loosening
Doors loosen from the vehicle frame over time, with one report of doors coming completely loose and making loud popping sounds when opened or closed. Multiple instances reported at higher mileage.
When: Documented at 150,000 miles (intermittent opening) and 75,000 miles (loose with popping noises)
Symptoms owners cite: Doors make loud popping noises when opened or shut; Doors coming loose from frame; Driver side door opens only intermittently; Front doors unable to open consistently
Repairs/costs cited: One vehicle taken to dealer three times without successful repair; no other repair costs documented
Recalls/TSBs owners mention: Dealer unable to repair intermittent opening issue after three service visits
Frame Corrosion
Frame exhibits heavy rust and corrosion. One owner discovered severe frame rust at routine service; another vehicle was sold with corroded frame and undisclosed rust.
When: Documented at 226,569 miles; also reported at sale of used vehicle
Symptoms owners cite: Visible frame rust; Heavy corrosion on frame components
Repairs/costs cited: No repairs documented
Recalls/TSBs owners mention: Local dealer contacted but did not diagnose or repair; manufacturer not contacted by first owner
Vehicle Fire - Electrical/Control Module Related
Two fires documented in 2006 Trailblazers. One fire began at highway speed with white smoke followed by flames from driver side window; vehicle destroyed. Another fire originated in engine compartment on passenger side. Both vehicles had recent or prior door/window switch recalls or repairs.
When: First fire at 70 mph cruise control (post-recall service in April 2015); second fire while parked; timing relative to mileage not specified
Symptoms owners cite: White smoke from rear of vehicle; Smoke from under hood; Flames visible from driver side window; Fire consumed entire vehicle; Fire originated in engine compartment (second case)
Repairs/costs cited: First vehicle safety recall for door switch fire risk was performed in April 2015; pre-fire inspection showed no problems; no repair note for second vehicle
Recalls/TSBs owners mention: Fire risk recall was issued and performed, but fires still occurred post-service
Driver Seat Control Panel Dislodgement
The electric seat control panel on the lower left side of the driver seat becomes dislodged when a larger person sits in the seat. Repeated re-attachment at dealer has not resolved the issue.
When: Affects larger occupants; mileage not specified
Symptoms owners cite: Control panel dislodges when occupied by larger person; Seat may move unexpectedly while vehicle is in motion; Potential loss of driver position relative to steering wheel, pedals
Repairs/costs cited: Dealer reattached panel multiple times without permanent fix
Recalls/TSBs owners mention: No manufacturer response documented
Exterior Emblems Deterioration and Repeated Failure
Chevy bow-tie emblems on front and rear of vehicle deteriorate prematurely and fall off, requiring multiple replacements under warranty and continuing to fail shortly after.
When: Front emblem at 33,000 miles; rear at 35,000 miles; both deteriorating again at 49,000 miles
Symptoms owners cite: Front Chevy emblem deteriorates on own; Rear Chevy emblem deteriorates on own; Emblems separate from vehicle; Continued deterioration after warranty replacement
Repairs/costs cited: Replaced under warranty; replacement emblems fail again within 14,000-16,000 miles
Recalls/TSBs owners mention: Emblems covered under warranty but design appears prone to premature failure
Door Module Corrosion and Electrical Malfunction
Driver side door module shows corrosion leading to intermittent or complete failure of power door locks and window switches. Recall service performed, but failures persist.
When: Recall performed November 2014; issues continued through July 2015
Symptoms owners cite: Power door locks function intermittently or stop working; Power window switches function intermittently or stop working; Door module corroded internally
Repairs/costs cited: Recall performed at no charge (November 2014) to replace door module; dealer charged $130+ diagnostics fee for persistent failure in July 2015
Recalls/TSBs owners mention: Recall issued August 2014 for corrosion defect; module replacement performed but did not resolve issue
Passenger Side Interior Water Ingress
Rainwater does not drain properly and backs up into the passenger side interior, flooding the floor board when vehicle is parked on an incline.
When: When parked on incline
Symptoms owners cite: Water backs up from drain system; Passenger side floor board floods; Water intrusion into interior
Repairs/costs cited: No repair documented
Recalls/TSBs owners mention: Dealership stated this is how vehicle was manufactured and owner should not park on incline
Sunroof Off Track
Sunroof came off track; dealer blamed owner negligence (gum) and refused warranty coverage.
When: Mileage not specified
Symptoms owners cite: Sunroof off track; Sunroof inoperable
Repairs/costs cited: Repair not completed; owner responsibility asserted by dealer
Recalls/TSBs owners mention: No warranty coverage offered
Synthesized from 25 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
Had body trouble with your 2006 Chevrolet Trailblazer?
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 body problem on the 2006 Chevrolet Trailblazer?
It's a meaningful issue. 25 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $1,500.
At what mileage does the body typically fail?
Across the 19 complaints that reported odometer mileage, most body failures cluster between 34,000 and 98,000 miles, with the median around 70,000. A quarter of owners report trouble before 34,000; a quarter make it past 98,000. 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 $1,500 for body 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 body?
No active recalls currently cover body 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/2006/Chevrolet/Trailblazer.
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.