Automated Manual Transmission (AMT) Clutch Failures At Service Replacement – Mack

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NHTSA ID Number: 10161910

Manufacturer Communication Number: K66500719

Summary

Automated Manual Transmission (AMT) Clutch Failures At Service Replacement; New Clutch Found To Be Damaged When Unboxed Or Fails Soon After Replacement

 

11 Affected Products

Vehicles

MAKE MODEL YEAR
MACK ANTHEM (AN) 2017-2020
MACK CHU 9999
MACK CXU 9999
MACK GU 9999
MACK PINNACLE (PI) 2018-2020
MACK R 9999

 


Solution K66500719

Monday, June 3, 2019 5:54:32 PM CEST

** SOLUTION **

Title Automated Manual Transmission (AMT) Clutch Failures At Service Replacement; New Clutch Found To Be Damaged When Unboxed Or Fails Soon After Replacement
Mack Models
Mack Model AN – Anthem, CHU – Pinnacle, Axle back, CXU – Pinnacle, Axle front, GR – Granite, GU – Granite, PI – Pinnacle
Volvo Models
Volvo Model VNL, VNM, VNR, VNX, VAH, VHD
Emission Standard
Emission Standard US17, US17+OBD16, US17+OBD18
Engine family
Engine family 11L Engine, 13L Engine, MP7 MP8
Transmission
Transmission AMT-F With Crawler Gears, AMT-F Without Crawler Gears, AMT-C, AMT-D,  AMT-F, AMT-C, AMT-D, AMT-F With Crawler Gears, AMT-F Without Crawler Gears
** SOLUTION **
Cause A new clutch that is replaced in the aftermarket may be found damaged when removed from

packaging, or experience failure shortly after installation. This situation is likely to occur before the vehicle leaves the shop or during the first test drive after replacement. It has been determined that this issue arises due to damage that occurs during shipping and handling of the new part. Damage of this nature normally occurs to the tabs shown in the photo below:

Note: This issue has not been seen in vehicles new from the factory. If a clutch is found failed in a new vehicle, normal repair procedure should be followed.

Solution Prior to Installation

  • The box should be inspected for damage before opening and if damage is found the clutch should be inspected to make sure the tabs shown in the picture above are not cracked or broken from shipping and handling.
  • When inspecting the clutch, if the tabs are aligned in the box along the box sides they are more likely to get damaged in shipping and handling. If they are aligned in the corners of the box as shown below they are less likely to be damaged.
  • Clutches should always be stored flat on the shipping pallet and never on edge. Damage to the clutch may result from the on edge storage.

Correct Incorrect

If the exposed tabs are found to be broken/cracked

  1. A parts claim should be filed with the PDC for a damaged component.
  2. If this issue is encountered pre-installation only:
    • Take clear pictures of the broken tab as it was found when the packaging was opened.
    • Open an eService case. The case should include:
  • A description of the problem as it is found. Be sure to specify that the part was broken out of the box.
    • Acceptable Description Example: “Vehicle was brought in for clutch replacement. New clutch was found to damaged when box was opened.”
    • Unacceptable Description Example: “Clutch broke”
    • The pictures of the damage.
  1. If the part is installed and then found to be bad:
    • The warranty claim filed must be a parts warranty claim due to the labor involved with the job.
    • An eService case is not required.
Internal comments (BO) Jeff Grainger investigating.  12/4/18
Solution visibility Dealer distribution
Function(s)/component(s) affected
Function affected Clutch
Function Group
Function Group 411 mechanical clutch
Customer effect
Main customer effect noise, visual appearance
Noise rattling noise, grinding,  knock, rubbing noise
Road behaviour driveability
Visual appearance crack/fracture
Conditions
Vehicle operating mode on start-up, when driving
Frequency of occurrence of problem random
Other conditions after a workshop procedure on the vehicle
Administration
Author UT9268H
Dealer ID UT9268H
Last modified by RU4469V
Creation date 15-11-2018 20:11
Date of last update 23-05-2019 21:05
Review date 22-07-2019 00:07
Status Published
NA_Reviewer ut9268h
NA_Author_Group GTT

 


Solution K66500719
Monday, June 3, 2019 5:54:32 PM CEST

https://www.nhtsa.gov/recalls?nhtsaId=10161910

https://static.nhtsa.gov/odi/tsbs/2019/MC-10161910-9999.pdf

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“This site contains affiliate links for which OEMDTC may be compensated”
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