This bulletin applies to 2013-2016 Acura RDX, 2017 RDX 2WD and 2017 RDX 4WD vehicles. A pop or clunk noise may be heard from the rear suspension when driving on rough roads in cold weather with temperatures below 50 degrees Fahrenheit.
Test drive in cold weather to confirm the issue. Park the vehicle in the shop to allow the vehicle to warm to room temperature. Test drive again. If the noise is gone, replace the damper bushings.
The rear damper upper mount bushing material is too hard. Replace both rear damper mount bushings.
Bushings are available as P/N 52631-SNA-A22. Also replace the center nut, P/N 90364-SNA-003.
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Mike Mavrigian
Motor Age Editor
Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.