Jeep Grand Cherokee 2011–2014 — technical service bulletin
Bulletin 17-004-13 · NHTSA communication 10128979 · issued Mar 1, 2013
Technical service bulletin
communication type
Equipment
component
2011–2014
model years
4
vehicle entries
Official summary
Cleaning Of Rear Air Suspension At Every Engine Oil Change This bulletin involves cleaning the left and right side rear air spring bellows and piston area at the lower control arm pocket in the rear of the vehicle. Rear suspension air springs may become damaged due to abrasion from road debris or the air spring can become punctured due to ice/snow build-up at bottom of piston at lower control arm.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.