METAL BRAKE LINES RUSTED PREMATURELY @ 29,900 MILES CAUSING BRAKE LINE TO RUPTURE. THIS CAUSED BRAKE FAILURE. TRUCK HAD TO BE TOWED TO DEALER WHO DIAGNOSED RUSTED BRAKE LINES. FOR FUTURE SAFETY ALL METAL BRAKE LINES ON TRUCK REQUIRED REPLACEMENT. FAILURE OCCURRED IN WORK PARKING LOT SO NO ACCIDENT OCCURRED DUE TO FAILURE.
2007 GMC Sierra
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2007 GMC Sierra do not stand out strongly from the model-year median of 53.
About this comparison →How this year compares
Owner complaints by model year
Compare all Sierra years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
47 reports with mileage · 12 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Air Bags. Review the 13 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes. Review the 12 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 7 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Service Brakes complaints
12 reportsI HAD A MINOR VEHICLE ACCIDENT WHEN I APPLIED THE BRAKES THEY WENT STRAIGHT TO THE FLOOR. I HAND MY VEHICLE TOWED TO SHOP AND IT WAS FOUND THAT THE BRAKE LINES HAD RUSTED THRU IN THE BRACKET ON THE FIREWALL.
NOTICED A PUDDLE OF FLUID ON THE GARAGE FLOOR. INVESTIGATED AND FOUND IT TO BE BRAKE FLUID. THE ENTIRE RESERVOIR EMPTIED ON THE FLOOR AFTER A DAY. I HAD A HOLE IN ONE OF THE BRAKE LINES UNDER THE DRIVERS SIDE. LOOKING UNDER THE TRUCK ALL THE LINE WERE TERRIBLY CORRODED AND COULD BREAK AT ANY TIME . TAKING IT TO MY MECHANIC…
Read full complaint
NOTICED A PUDDLE OF FLUID ON THE GARAGE FLOOR. INVESTIGATED AND FOUND IT TO BE BRAKE FLUID. THE ENTIRE RESERVOIR EMPTIED ON THE FLOOR AFTER A DAY. I HAD A HOLE IN ONE OF THE BRAKE LINES UNDER THE DRIVERS SIDE. LOOKING UNDER THE TRUCK ALL THE LINE WERE TERRIBLY CORRODED AND COULD BREAK AT ANY TIME . TAKING IT TO MY MECHANIC NEXT WEEK TO REPLACE ALL THE LINES. 9/1/2015
I DRIVE A COMPANY TRUCK DURING THE WEEK AND MAKE A HABIT OF DRIVING MY SIERRA ONCE A WEEK AS WELL. I WAS GOING DOWN THE DRIVEWAY TO THE MAIN ROAD WHEN THE PEDAL FELL TO THE FLOOR. NO BRAKES WHATSOEVER. I USED THE EMERGENCY BRAKE TO COME TO A SAFE STOP. I LOOKED UNDER THE HOOD TO REALIZE THAT THE BRAKE LINES WERE RUSTED AND HAD B…
Read full complaint
I DRIVE A COMPANY TRUCK DURING THE WEEK AND MAKE A HABIT OF DRIVING MY SIERRA ONCE A WEEK AS WELL. I WAS GOING DOWN THE DRIVEWAY TO THE MAIN ROAD WHEN THE PEDAL FELL TO THE FLOOR. NO BRAKES WHATSOEVER. I USED THE EMERGENCY BRAKE TO COME TO A SAFE STOP. I LOOKED UNDER THE HOOD TO REALIZE THAT THE BRAKE LINES WERE RUSTED AND HAD BLOWN A HOLE. THIS TRUCK IS NOT THAT OLD AND I DO NOT LIVE IN A NORTHERN STATE WHERE SALT CORROSION IS AN ISSUE. I BABY MY TRUCK AND KEEP IT UP. I LATER DID A SEARCH ON THE WEB AN FOUND OUT THAT THOUSANDS OF OTHERS ARE HAVING THIS ISSUE AS WELL. THIS IS RIDICULOUS, THIS IS A BAD MATERIAL CHOICE FOR BRAKE LINES. GMC NEEDS TO REALIZE THIS AND RECALL ALL OF US AND INSTALL COATED, OR BETTER YET, BRAIDED/POLY-COVERED LINES TO MAKE SURE THIS NEVER HAPPENS AGAIN. WHAT IF I WERE TRAVELING AT A HIGHER RATE OF SPEED AND HAD MY FAMILY IN THE CAR? I CAN SEE THEIR STAND ON THIS BEING A MAINTENANCE ISSUE, BUT I HAVE FRIENDS WITH EARLY 80'S AND 90'S MODEL TRUCKS THAT STILL HAVE THE ORIGINAL BRAKE LINES IN THEM, NOT CORRODED OR RUSTED, AND STILL WORK GREAT. GET ON THE BALL GMC AND TAKE RESPONSIBILITY FOR THIS. *TR
TL* THE CONTACT OWNS A 2007 GMC SIERRA. WHILE DRIVING 55 MPH, THE BRAKE PEDAL FAILED TO RESPOND WHEN IT WAS DEPRESSED AND THE ABS INDICATOR ILLUMINATED. THE CONTACT DISCOVERED THAT THERE WAS NO BRAKE FLUID IN THE RESERVOIR AND THE BRAKES WERE RUSTED. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING, BUT WAS NOT REPAIRE…
Read full complaint
TL* THE CONTACT OWNS A 2007 GMC SIERRA. WHILE DRIVING 55 MPH, THE BRAKE PEDAL FAILED TO RESPOND WHEN IT WAS DEPRESSED AND THE ABS INDICATOR ILLUMINATED. THE CONTACT DISCOVERED THAT THERE WAS NO BRAKE FLUID IN THE RESERVOIR AND THE BRAKES WERE RUSTED. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING, BUT WAS NOT REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 78,000. UPDATED 10/10/14*CN THE CONSUMER STATED UPON DEPRESSING THE BRAKE PEDAL THE VEHICLE SLOWED, BUT THE PEDAL WENT TO THE FLOOR. THE DRIVER MADE A RIGHT TURN AT 35 MPH AND SLID INTO GRAVEL ALMOST HITTING A GUARDRAIL. THE MANUFACTURER STATED THEY HAVEN'T RECEIVED ANY SIMILAR COMPLAINTS. THE CONSUMER HAS HEARD OTHERWISE FROM VARIOUS MECHANICS. THE VEHICLE WAS REPAIRED. UPDATED 3/31/2015 *JS
TL* THE CONTACT OWNS A 2007 GMC SIERRA 2500 HD. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 30 MPH, THE BRAKE PEDAL WAS DEPRESSED BUT FAILED TO ENGAGED. THE CONTACT HAD TO USE THE ELECTRIC BRAKE FROM THE HORSE TRAILER IN ORDER TO STOP THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER. THE TECHNICIAN DIAGNOSED THAT THE BRA…
Read full complaint
TL* THE CONTACT OWNS A 2007 GMC SIERRA 2500 HD. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 30 MPH, THE BRAKE PEDAL WAS DEPRESSED BUT FAILED TO ENGAGED. THE CONTACT HAD TO USE THE ELECTRIC BRAKE FROM THE HORSE TRAILER IN ORDER TO STOP THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER. THE TECHNICIAN DIAGNOSED THAT THE BRAKE LINES WERE RUSTED. AS A RESULT, THE BRAKE CALIPERS ALONG WITH BRAKE LINES NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 36,000.
TL* THE CONTACT OWNS A 2007 GMC SIERRA. THE CONTACT STATED THAT AFTER STARTING THE VEHICLE, THE SERVICE STABILITY TRACK, THE SERVICE TRACTION CONTROL, AND THE ANTI LOCK BRAKING SYSTEM LIGHTS ILLUMINATED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 26,000.
BRAKE LINE LEFT FRONT RUSTED THRU . HAD TO USE PARKING BRAKE..HAD TRUCK TAKEN TO SHOP REPLACED LINE WITH STAINLESS STEEL. *JS
WHEN TRAVELING THROUGH AN INTERSECTION AT A GREEN LIGHT ANOTHER VEHICLE ILLEGALLY ENTERED THE INTERSECTION. I SAW THE VEHICLE AND ATTEMPTED TO STOP BUT WHEN I HIT THE BRAKES THE PEDAL WENT DOWN TO THE FLOOR AND NO BRAKING ACTION OCCURRED. I WAS TOLD I BLEW A BRAKE LINE. THE CAR WAS REPAIRED OF THE DAMAGE FROM THE ACCIDENT BUT…
Read full complaint
WHEN TRAVELING THROUGH AN INTERSECTION AT A GREEN LIGHT ANOTHER VEHICLE ILLEGALLY ENTERED THE INTERSECTION. I SAW THE VEHICLE AND ATTEMPTED TO STOP BUT WHEN I HIT THE BRAKES THE PEDAL WENT DOWN TO THE FLOOR AND NO BRAKING ACTION OCCURRED. I WAS TOLD I BLEW A BRAKE LINE. THE CAR WAS REPAIRED OF THE DAMAGE FROM THE ACCIDENT BUT I HAD TO PAY FOR THE BRAKE LINE REPAIR. AFTER GETTING THE TRUCK BACK I BROUGHT IT BACK TO THE REPAIR SHOP FOR AN ALIGNMENT WITHIN A FEW DAYS. WHILE THE REPAIR SHOP WAS DRIVING THE CAR IN FOR THE ALIGNMENT A SECOND BRAKE LINE BLEW. THERE IS NOT A RECALL FROM GMC AND THERE NO REASON WHY THE BRAKES LINES SHOULD BE RUSTING OUT AND BLOWING ON A CAR THAT IS WELL MAINTAINED. *TR
BRAKE LINE BURST WHEN I PUMPED BRAKE PEDAL PRIOR TO START OF TRAILERING A HORSE TRAILER. GMC DEALER STATED BRAKE LINES WERE RUSTED THROUGH. DEALER HAD INSPECTED VEHICLE WEEK BEFORE DURING TUNE-UP AND DID NOT NOTIFY ME OF RUST OR ISSUES WITH BRAKE AND FUEL LINES RUSTING IN GM TRUCKS. I FOUND REPORTED ISSUES WITH RUSTING BRAKE …
Read full complaint
BRAKE LINE BURST WHEN I PUMPED BRAKE PEDAL PRIOR TO START OF TRAILERING A HORSE TRAILER. GMC DEALER STATED BRAKE LINES WERE RUSTED THROUGH. DEALER HAD INSPECTED VEHICLE WEEK BEFORE DURING TUNE-UP AND DID NOT NOTIFY ME OF RUST OR ISSUES WITH BRAKE AND FUEL LINES RUSTING IN GM TRUCKS. I FOUND REPORTED ISSUES WITH RUSTING BRAKE LINES IN GM TRUCKS PER MY OWN RESEARCH. BRAKE LINES ARE BEING REPLACED AT MY EXPENSE. *TR
Official recalls
210V240000 · Electrical System
Jun 4, 2010
GM IS RECALLING CERTAIN MODEL YEAR 2006-2009 BUICK, LUCERNE; CADILLAC DTS; HUMMER H2; MODEL YEAR 2008-2009 BUICK ENCLAVE; CADILLAC CTS; MODEL YEAR 2007-2009 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT; CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, TAHOE; GMC ACADIA, SIERRA, YUKON, YUKON XL; SATURN OUTLOOK; AND MODEL YEAR 2009 CHEVROLET TRAVERSE VEHICLES EQUIPPED WITH A HEATED WASHER FLUID SYSTEM (HWFS). A RECALL WAS IMPLEMENTED IN 2008 TO ADD A FUSE TO THE CONTROL CIRCUIT HARNESS TO ADDRESS THE POTENTIAL CONSEQUENCES OF A PRINTED CIRCUIT BOARD (PCB) ELECTRICAL SHORT. HOWEVER, THERE HAVE BEEN NEW REPORTS OF THERMAL INCIDENTS ON HWFS MODULES AFTER THIS IMPROVEMENT WAS INSTALLED. THESE INCIDENTS RESULTED FROM A NEW FAILURE MODE ATTRIBUTED TO THE DEVICE'S THERMAL PROTECTION FEATURE. THE SIGNIFICANCE VARIES FROM MINOR DISTORTION TO CONSIDERABLE MELTING OF THE PLASTIC AROUND THE HWFS FLUID CHAMBER.
Consequence & remedy
Consequence: IT IS POSSIBLE FOR THE HEATED WASHER MODULE TO IGNITE AND A FIRE MAY OCCUR.
Remedy: DEALERS WILL PERMANENTLY DISABLE AND REMOVE THE HEATED WASHER FLUID MODULE. AN UPDATED PAGE FOR THE OWNER MANUAL WILL BE PROVIDED AND INSERTED IN THE OWNER MANUAL TO DOCUMENT THAT THE FEATURE HAS BEEN PERMANENTLY DISABLED AND REMOVED FROM THE VEHICLE. THE SAFETY RECALL BEGAN ON JUNE 11, 2010. OWNERS MAY CONTACT BUICK AT 1-866-608-8080, CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438, SATURN AT 1-800-972-8876, GMC AT 1-866-996-9463 AND HUMMER AT 1-800-732-5493 OR AT THE OWNER CENTER AT WWW.GMOWNERCENTER.COM.
08V441000 · Electrical System
Aug 28, 2008
GM IS RECALLING 857,735 MY 2006-2008 BUICK LUCERNE; CADILLAC DTS; HUMMER H2; MY 2007-2008 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT; CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, TAHOE; GMC ACADIA, SIERRA, YUKON, YUKON XL, SATURN OUTLOOK; AND MY 2008 BUICK ENCLAVE VEHICLES EQUIPPED WITH A HEATED WIPER WASHER FLUID SYSTEM. A SHORT CIRCUIT ON THE PRINTED CIRCUIT BOARD FOR THE WASHER FLUID HEATER MAY OVERHEAT THE CONTROL-CIRCUIT GROUND WIRE.
Consequence & remedy
Consequence: THIS MAY CAUSE OTHER ELECTRICAL FEATURES TO MALFUNCTION, CREATE AN ODOR, OR CAUSE SMOKE INCREASING THE RISK OF A FIRE.
Remedy: DEALERS WILL INSTALL A WIRE HARNESS WITH AN IN-LINE FUSE FREE OF CHARGE. THE RECALL BEGAN ON SEPTEMBER 12, 2008. OWNERS MAY CONTACT BUICK AT 1-866-608-8080; CADILLAC AT 1-800-982-2339 OR HTTP://WWW.CADILLAC.COM; CHEVROLET AT 1-800-630-2438; SATURN AT 1-800-972-8876 OR HTTP://WWW.SATURN.COM, GMC AT 1-866-996-9436; OR HUMMER AT 1-800-732-5493; OR THROUGH THEIR WEBSITE AT <A HREF=HTTP://WWW.GMOWNERCENTER.COM>HTTP://WWW.GMOWNERCENTER.COM</A> .
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
Illustration