2021 Toyota 4Runner: Passenger side window exploded
Common wear/failure (not a recall)
Symptoms
Owners of the 2021 4Runner report: passenger side window exploded. CarComplaints.com lists 1 owner complaints, average mileage 5,050 miles.
NHTSA has 3 owner complaints for the 2021 4Runner in this area. Examples:
- NHTSA complaint ODI #11448221 (filed 01/20/2022): “The contact owns a 2021 toyota 4runner. the contact stated while driving approximately 70 mph, the sunroof exploded, sending glass inside the cabin of the vehicle. the vehicle was taken to a local dealer where it was diagnosed with needing the sunroof to be re…”
- NHTSA complaint ODI #11429331 (filed 08/16/2021): “I was driving my new car with less than 500 miles on a highway with no other cars around and nothing overhead. it sounded like a gun went off then i could hear the glass falling sliding around on the sunroof shade. the glass was blown outward proving nothing…”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: none clearly reported. Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Moderate
Leaks can often be traced with a water test and resealed; glass replacement is a pro job. (Our assessment.)
Cost
No sourced cost range: get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
Page last updated .