There are 3 owner-reported engine complaints for the 2011 Toyota Sequoiain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TOYOTA HAS A FAULTY DESIGN ON 5.7 LITER SEQUOIAS AND TUNDRAS WHERE THE ENGINE CAMSHAFT TOWER SEALANT LEAKS OIL TOWARDS THE CABIN. SINCE THE ENGINE IS TILTED BACK, THE ENGINE OIL IS DIRECTED TO A HEAT SHIELD AND THEN DIRECTLY TO THE EXHAUST PIPE. UPON REACHING THE EXHAUST IT CAUSES SMOKE. THE SMOKE WILL ENTER INTO THE CABIN CAUSING ENGINE FUMES WHICH OCCUR WHEN DRIVING OR PARKED UNTIL THE ENGINE COOLS. THE ENGINE COULD HAVE CAUGHT FIRE, BASED ON THE AMOUNT OF SMOKE THAT CAME OUT. UPON FURTHER RESEARCH, THIS ISSUE HAS CAUSED FIRES. EVIDENCE OF THIS PROBLEM IS READILY AVAILABLE SEARCHING "TOYOTA TUNDRA CAM LEAK FIRE", FURTHERMORE, CHANGE.ORG PETITION HAS OVER 5,178 SIGNATURES REQUESTING THE RECALL. THIS ISSUE HAS OCCURRED IN VEHICLES FROM 1,000 MILES AND UP. TOYOTA NOW USES A DIFFERENT SEALANT TO PREVENT THIS LEAKING, SO THEY MUST HAVE RECOGNIZED THE ISSUE BUT HAVE REMAINED SILENT. UPON CONTACTING TOYOTA, THE CUSTOMER SERVICE REPRESENTATIVE STATED THAT HE "HAD NEVER HEARD OF THIS PROBLEM". THE DEALERSHIP THAT IS FIXING THIS HAS A NUMBER OF EXPERIENCED MECHANICS THAT DO SEE THIS OFTEN. IT IS UNSAFE TO DRIVE WITH THIS CONDITION AND THE COST TO REPAIR IS OVER $3,000!
2011 TOYOTA SEQUOIA. CONSUMER WRITES IN REGARDS TO VEHICLE AIR PUMP REPAIR PROBLEMS. *SMD THE DEALER INFORMED THE CONSUMER, THE VEHICLE NEEDED A NEW AIR PUMP AND A NEW AIR PUMP DRIVER AT A COST OF $ 2643 BEFORE TAXES. THE DEALER NOTED THE PROBLEM WAS CAUSE BY POSSIBLY WATER INTRUSION. *JB MA 10/21/15 UPDATED 10/12/2017*CN
MY TOYOTA SEQUOIA 2011 HAS A SLOW LEAK AT THE FRONT PASSENGER SIDE JUST ON TOP OF THE EXHAUST MANIFOLD,TOOK IT TO THE DEALER AND THEY SAID THE CAM SHAFT OIL SEAL IS LEAKING. THEY ARE WILLING TO FIX IT,BUT MY CONCERN IS IF MY CAR WILL BE THE SAME AGAIN SINCE ITS JUST 6 WEEKS OLD,AND I MIGHT ENCOUNTER MORE PROBLEM IN THE FUTURE CONSIDERING THEY TOOK THE ENGINE APART. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026