2011 Infiniti QX56 Powertrain Technical Service Bulletins
TSB Number:
ITB13-008C
NHTSA Number:
10222705
TSB Date:
September 27, 2022
Date Added to File:
October 7, 2022
Failing Component:
Power Train
Summary:
Clicking noise from front or rear axle during take-off/acceleration this bulletin has been amended. See amendment history on the last page. Please discard previous versions of this bulletin.
Clicking noise from front or rear axle during take-off/acceleration this bulletin has been amended. See amendment history on the last page. Please discard previous versions of this bulletin.
If you confirm the engine cooling fan is louder than normal. And there is a noticeable lack of power when accelerating in traffic, particularly in hot weather. Actions 1. Reprogram the ecm, if necessary. 2. Perform engine fan coupler function inspection. - with engine temperature between 80-95c (176-203f), confirm that cooling fan speed responds to the commands of the ecm with the procedure starting on page 10. 3. Replace the fan coupler, if necessary. See this bulletin for further detail.
Service information if a customer describes lack of power or poor acceleration, perform the following checks before attempting any repair: * check for stored DTCs. * check if the driver is resting their left foot on the brake pedal while accelerating. Advise the customer not to rest their foot on the brake while accelerating. * use consult-iii plus in engine data monitor to check operation of the brake lamp circuit signal. Monitor the brake switch during the incident; it should be "off". Please see this bulletn for further details.
If you confirm: customers concern of a "clicking" noise coming from either left or right front/rear axles during take-off/acceleration. Action: apply molykote m77 grease (p/n 44003-7s000) to the hub bearing surfaces. Note: * do not remove the axle from the hub or transmission for this bulletin * refer to the electronic service manual (esm) for model specific torque specifications. >please see service procedure for 2007-2011 versa torque specifications on page 5. See this bulletin for further detail.
If you confirm: the following incidents with the auto drive position system: * door mirrors do not go back to the original preset memory position after the vehicle is shifted into reverse, and then shifted back into drive. * return position of mirrors drifts farther and farther from original memory preset as mirror is cycled from the drive to reverse positions (cumulative). * with vehicle in park and engine turned off, the seat and steering wheel do not move when exiting vehicle. Action: replace left power seat control unit with new part listed in parts information in this bulletin. See this bulletin for further details.
Transmission & engine automated data collection and diagnostic reporting service information to support proper diagnosis and to promote fixed-right-first-time ? Infiniti may review consult-iii plus (ciii plus) data relating to vehicle operation and function to help with vehicle diagnosis and diagnostic validation. Important: for transmission/engine repair or replacement, retailers are required to connect c-iii plus and perform ?Diagnosis (all systems)?. Performing c-iii plus ?Diagnosis (all systems)? Is also required prior to contacting any infiniti call center (I.E. Tech-line, pcc, or wcc) for diagnostic support or claim preauthorization. Note: for additional information regarding automated vehicle data collection, refer to iwbi/18-019. To support automated vehicle data collection, your c-iii plus must have the diagnosis result reporting function-setting turned on. If diagnosis result reporting function-setting is off: - it may cause dealer consideration for audit or the anomalous repair control (arc) program, where applicable. - it may result in a repair being non-warrantable. Refer to the service procedure on the next page to confirm your c-iii plus ?Diagnosis result reporting function-setting? Is turned on.
2011 Infiniti QX56 Powertrain Technical Service Bulletins