2021 Chevrolet Suburban: Sunroof leak
Common wear/failure (not a recall)
Symptoms
Owners of the 2021 Suburban report: sunroof leak. CarComplaints.com lists 1 owner complaints, average mileage 4,500 miles.
NHTSA has 3 owner complaints for the 2021 Suburban in this area. Examples:
- NHTSA complaint ODI #11651671 (filed 03/31/2025): “For the past 2 years my windshield wipers will fail randomly while using them during a rain storm. i will have to pull over and completely turn the vehicle off turn back on and they may start working again or restart a couple more times. i’ve taken it to the d…”
- NHTSA complaint ODI #11616767 (filed 09/27/2024): “Yesterday marked the 2nd time that the front windshield wipers on my 2021 chevy suburban (58k miles) randomly stopped working while driving down the highway in a rainstorm. they would not come out of the resting position regardless on what setting they were pu…”
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 .
