The pin boxes may be attached with bolts that are too short.
In certain conditions, the incorrect bolts could allow the pin box to rotate in two places rather than one, increasing the risk of a crash.
What to do
Keystone will notify owners, and dealers will inspect and replace the bolts, as necessary, free of charge.
The recall is expected to begin September 5, 2019.
Owners may contact Keystone customer service at (866) 425-4369. Keystone's number for this recall is 19-358.
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