This technical bulletin provides a procedure to lube the rear leaf springs on vehicles with the condition of a squeak noise originating from the rear of the vehicle.
full bulletin at NHTSA ↗2015 Chevrolet Silverado suspension problems
severe Owners of the 2015 Chevrolet Silverado have filed 20 NHTSA complaints about the suspension, typically surfacing around 10,000 miles at roughly $900 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See suspension across all vehicles →
| Model year | suspension complaints |
|---|---|
| 2011 Silverado | 20 |
| 2012 Silverado | 13 |
| 2013 Silverado | 18 |
| 2014 Silverado | 44 |
| 2015 Silverado (this page) | 20 |
| 2016 Silverado | 22 |
| 2017 Silverado | 14 |
| 2018 Silverado | 28 |
| 2019 Silverado | 20 |
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering suspension 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 technical bulletin provides repair information for the re-torque of leaf spring bolts to correct a customer concern for a clunking noise coming from the rear of the vehicle.
full bulletin at NHTSA ↗This technical bulletin provides repair information for the re-torque of leaf spring bolts to correct a customer concern for a clunking noise coming from the rear of the vehicle.
full bulletin at NHTSA ↗GENERAL MOTORS: 2014-2015 CADILLAC ESCALADE, CHEVROLET SILVERADO 1500, GMC SIERRA: SOME CUTOMERS HAVE CONCERNS OF NO CRANK OF THE ENGINE, SERVICE SUSPENSION SYSTEM WHICH MAY BE CAUSED BY FUSE ISSUES.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Persistent vibration and shaking dominate the suspension complaints. Owners describe front-end shimmy starting as early as 10,000 miles at speeds of 60–80 mph—sometimes a whistling noise accompanies it. One service manager explicitly told an owner this is a known issue with no available fix. Dealers have cycled through tire replacement (sometimes multiple sets), shock service, and drive shaft work without resolving the problem.
Rear-end issues include bouncing and instability at highway speeds. One owner had faulty leaf springs diagnosed at 3,000 miles after dealer-replaced shocks failed to help. Another owner's rear axle catastrophically failed while driving, causing loss of control and a median barrier crash; a recall for insufficient heat-treated axles existed but the owner disputes whether it was properly applied.
A towing failure at 103,000 miles involved uncontrolled fishtailing with anti-sway function inactive—the vehicle totaled before diagnosis.
Front suspension noise in cold weather was attributed by dealers to loose fasteners (frame cross member, lower control arms) needing re-torqueing, then later blamed on sway bar bushings requiring lubrication. One owner observed lubricant oozing from the bushings immediately after service, raising questions about proper repair technique.
Frame and subframe rust is reported early and aggressively—holes, cracks, and completely rotted undercarriages at moderate mileage even on garage-kept trucks. Dealers call it normal; independent shops raise safety flags about structural integrity.
Same Chevrolet Silverado suspension reports on nearby years: 2013 · 2014 · 2016 · 2017 · 2018
Failure modes owners describe
Front-end vibration and shaking at highway speeds
Owners report persistent shaking or vibration in the front end, particularly at highway speeds (60–80 mph). Symptoms often begin early (around 10,000 miles) and persist despite multiple repair attempts including tire replacement, shock replacement, and drive shaft service. One owner reports Chevrolet acknowledging this as a 'known issue' with no fix available.
When: 10,000 miles and beyond; occurs at speeds 60–80 mph
Symptoms owners cite: Vibration felt through gas pedal and into seats and console; Shaking at speeds 35–70 mph, intermittent at lower speeds then continuous at highway speeds; Whistling or siren-like noise above 80 mph; Vibration worse on concrete roads than asphalt; Uncomfortable ride; one owner reports headaches after extended driving
Repairs/costs cited: Dealers have attempted tire replacement (multiple sets), shock replacement (front and rear), drive shaft service, and frame cross member re-torqueing; none resolved the issue. One service manager told owner there is no fix or solution available.
Rear-end vibration and instability at speed
Owners report shaking, bouncing, and vibration emanating from the rear, particularly at highway speeds (60+ mph). One owner had shocks replaced under warranty; another independent mechanic identified faulty leaf springs as the root cause at 3,000 miles.
When: As early as 3,000 miles; more noticeable at 10,000+ miles; occurs at speeds 60+ mph
Symptoms owners cite: Rough, bouncy ride after hitting bumps; Rear sways, bounces, and vibrates at highway speeds; Vehicle unstable and swerving at 75 mph; Problem persists after tire balancing and shock replacement
Repairs/costs cited: Dealers initially attributed issue to tire imbalance and replaced tires; then replaced front shocks, then rear shocks. Independent mechanic diagnosed faulty leaf springs.
Recalls/TSBs owners mention: GM was notified of failure at 3,000 miles per one owner.
Broken rear axle under load
Owner reports left rear axle broke while driving at 65 mph on highway, causing vehicle to pull hard left into concrete median barrier. A recall for insufficient heat-treated rear axles was issued; dealer claimed the recall had been completed at factory, but owner disputes this given the axle failure.
When: Failure at highway speed, vehicle in motion at 65 mph
Symptoms owners cite: Sharp 'bang' sound while driving; Vehicle pulled hard to left; Loss of control; crashed into median barrier
Repairs/costs cited: Left rear axle confirmed broken after crash damage inspection.
Recalls/TSBs owners mention: Recall issued for insufficient heat-treated rear axles. Dealer claimed recall completed at factory, but owner disputes adequacy of recall remedy.
Fishtailing and loss of control while towing
Owner reports vehicle began to fishtail while towing a trailer at 50 mph with no warning light. Anti-sway feature allegedly failed to operate. Vehicle lost control and crashed into center median guard rail. Vehicle was totaled and never diagnosed; manufacturer and dealer were never contacted.
When: At 103,000 miles, during highway towing at 50 mph
Symptoms owners cite: Uncontrolled fishtailing while towing; Anti-sway feature did not activate; No warning light illuminated; Loss of control; vehicle crashed into median guard rail
Repairs/costs cited: Vehicle was total loss; no diagnosis performed.
Front suspension noise in cold weather
Owner reports loud noise from front suspension during cold weather when driving over bumps or speed bumps, only within the first half-mile. Dealer re-torqued frame cross member and lower control arms under warranty; owner expresses concern that loose fasteners on a new vehicle indicate a serious manufacturing defect. Later, dealer blamed sway bar bushings requiring lubrication—which owner disputes as improper. Owner observed lubricant oozing out of sway bar bushings immediately after service. Owner worried about reduced sway bar bushing life and potential safety impact during a crash.
When: Cold weather; first half-mile of driving
Symptoms owners cite: Loud noise from front suspension over bumps and speed bumps; Only occurs in cold weather and early in drive cycle; Noise persists despite re-torqueing
Repairs/costs cited: Dealer re-torqued frame cross member and lower control arms under warranty; later applied lubricant to sway bar bushings. Owner found lubricant oozing from bushings post-service, suggesting improper application.
Recalls/TSBs owners mention: No GM service bulletin on issue. GM was non-responsive to owner's concerns. Dealer wanted issue to go away.
Frame and subframe rust and corrosion
Multiple owners report excessive rust on frame members and cross members despite garage storage or minimal use. Frame coating is described as a flaking black wax with no paint protection. One owner reports frame cracks and holes at 74,000 miles; another reports completely rotted undercarriage subframe with suspension parts detaching. Dealers claim rust is 'normal' for the model; independent shops express concern about structural integrity, especially for towing.
When: As early as 30,000 miles (garage kept); evident at 74,000 miles
Symptoms owners cite: Extensive rust on frame members and cross members; Flaking black wax coating with no paint; Frame cracks and holes; Undercarriage subframe completely rotted; Suspension parts detaching from subframe
Repairs/costs cited: No repairs documented. Dealers claim rust is normal. Independent shops concerned about structural integrity and towing safety.
Synthesized from 20 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 0 most recent
Common questions
How serious is the suspension problem on the 2015 Chevrolet Silverado?
It's a meaningful issue. 20 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $900.
At what mileage does the suspension typically fail?
Across the 12 complaints that reported odometer mileage, most suspension failures cluster between 3,500 and 35,000 miles, with the median around 10,000. A quarter of owners report trouble before 3,500; a quarter make it past 35,000. 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 $900 for suspension 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 suspension?
No active recalls currently cover suspension 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.