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Service bulletin B16-022

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10099141
Published by NHTSA2017-05-15
Manufacturer's numberB16-022
Manufacturer's date2016-11-17
NHTSA componentSUSPENSION:REAR

NHTSA's summary

SERVICE BULLETIN - IN COLD AREAS, THE REAR ACTIVE DAMPERS MAY BE SUSCEPTIBLE TO LEAKING. IF AN EXCESSIVE AMOUNT OF DAMPER OIL HAS LEAKED, THE ACTIVE DAMPERS MAY MAKE A CLUNK OR A BANG WHEN DRIVING ON ROUGH ROADS OR OVER SPEED BUMPS.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Suspension

Vehicles listed
ACURA MDX2007, 2008, 2009, 2010
ACURA ZDX2010

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
DLR MSG - RFP -2018-03-05. Service bulletin. Dealer message - American Honda (AHM) is investigating certain 2010 & 2013 MDXs & TSXs with a complaint of the steering wheel vibration and the pulsation/vibration in the front brake when braking. To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
ENG REQ - BER1402018-03-05. Service bulletin. Engineering request for investigation - American Honda (AHM) is investigating certain 2010 & 2013 MDXs & TSXs with a complaint of the steering wheel vibration and the pulsation/vibration in the front brake when braking. To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
JY92017-08-31. Service bulletin. Reimbursement form - the front and rear active dampers may leak. While leaks on the rear active suspension are visible, the front active dampers are mounted in an inverted position and the leak is not visible on the exterior of the damper. If an excessive amount of damper oil has leaked, the active dampers may make a clunk or a bang sound when driving on rough roads or over speed bumps.
16-0202017-08-31. Service bulletin. Customer letter - owner notification for the front and rear active dampers may leak. While leaks on the rear active suspension are visible, the front active dampers are mounted in an inverted position and the leak is not visible on the exterior of the damper. If an excessive amount of damper oil has leaked, the active dampers may make a clunk or a bang sound when driving on rough roads or over speed bumps.
REIMBURSEMENT FO2017-05-24. Service bulletin. "REIMBURSEMENT FORM - ON SOME 2007–13 MDX AND 2010–12 ZDX VEHICLES LOCATED IN COLD AREAS, THE FRONT AND REAR ACTIVE DAMPERS MAY LEAK. WHILE LEAKS ON THE REAR ACTIVE SUSPENSION ARE VISIBLE, THE FRONT ACTIVE DAMPERS ARE MOUNTED IN AN INVERTED POSITION AND THE LEAK IS NOT VISIBLE ON THE EXTERIOR OF THE DAMPER. IF AN EXCESSIVE AMOUNT OF DAMPER OIL HAS LEAKED, THE ACTIVE DAMPERS MAY MAKE A CLUNK OR A BANG SOUND WHEN DRIVING ON ROUGH ROADS OR OVER SPEED BUMPS."
CUSTOMER LETTER2017-05-24. Service bulletin. "CUSTOMER LETTER - ON SOME 2007–13 MDX AND 2010–12 ZDX VEHICLES LOCATED IN COLD AREAS, THE FRONT AND REAR ACTIVE DAMPERS MAY LEAK. WHILE LEAKS ON THE REAR ACTIVE SUSPENSION ARE VISIBLE, THE FRONT ACTIVE DAMPERS ARE MOUNTED IN AN INVERTED POSITION AND THE LEAK IS NOT VISIBLE ON THE EXTERIOR OF THE DAMPER. IF AN EXCESSIVE AMOUNT OF DAMPER OIL HAS LEAKED, THE ACTIVE DAMPERS MAY MAKE A CLUNK OR A BANG SOUND WHEN DRIVING ON ROUGH ROADS OR OVER SPEED BUMPS."
B16-0202017-05-15. Service bulletin. "SERVICE BULLETIN - IN COLD AREAS, THE FRONT ACTIVE DAMPERS MAY BE SUSCEPTIBLE TO LEAKING. SINCE THESE DAMPERS ARE MOUNTED IN AN INVERTED POSITION, THE LEAK IS NOT VISIBLE ON THE EXTERIOR OF THE DAMPER. IF AN EXCESSIVE AMOUNT OF DAMPER OIL HAS LEAKED, THE ACTIVE DAMPERS MAY MAKE A CLUNK OR A BANG WHEN DRIVING ON ROUGH ROADS OR OVER SPEED BUMPS."
IN-20-112014-01-28. Service bulletin. ACURA: WHILE DRIVING, THE FRONT WHEEL BEARING WOULD HAVE A NOISE OR VIBRATION. LIKE MOANING, DRONING, OR HUMMING, COMING FROM IT, AND IS BEING INVESTIGATED. MODEL 2007-2013 MDX. *PE
SB-10-22-132013-11-21. Service bulletin. HONDA: AN INVESTIGATION, ON SOME VEHICLES, INTO HUMMING, MOANING, OR A DRONING NOISE, ALONG WITH VIBRATION, COMING FROM THE FRONT WHEEL BEARING, WHILE DRIVING. MODEL 2007-2013 MDX. *PE
08-0052008-05-01. Service bulletin. CLICK FROM THE FRONT SUSPENSION AREA WHILE ACCELERATING OR BRAKING. *NJ