2014 GMC Sierra 2500HD: Rear sliding window failed with little use
Common wear/failure (not a recall)
Symptoms
Owners of the 2014 Sierra 2500HD report: rear sliding window failed with little use. CarComplaints.com lists 1 owner complaints, average mileage 22,800 miles.
NHTSA has 5 owner complaints for the 2014 Sierra 2500HD in this area. Examples:
- NHTSA complaint ODI #10712254 (filed 04/22/2015): “I purchase this vehicle nov. 2013, and ever since i notice that the headlight on this vehicle do not light the road properly, whether you have them in low or high beam. the distance of the low and high beam appear to be the same (at times it seems the highs) a…”
- NHTSA complaint ODI #10704545 (filed 04/08/2015): “The headlights on this truck provide inadequate lighting, including both low beams and high beams. any night driving is difficult due to limited visibility, there simply is not enough illumination to see. can be very dangerous - especially at speeds above 35…”
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: windows /. 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)
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