November 13, 2023 NHTSA CAMPAIGN NUMBER: 23V764000
A loose steering front axle can cause a loss of steering or braking ability, increasing the risk of a crash.
NHTSA Campaign Number: 23V764
Manufacturer Terberg Benschop B.V.
Components SUSPENSION, STEERING
Potential Number of Units Affected 1
Summary
Terberg Benschop B.V. is recalling one 2022 YT193 terminal tractor. The eight non-self-locking flange nuts that attach the steering front axle to the front axle suspension may come loose.
Remedy
A dealer will replace the non-self-locking nuts and add thread lock as necessary, free of charge. The owner notification letter is expected to be mailed in November 2023. The owner may contact Terberg customer service at 1-348-459-294. Terberg’s number for this recall is CAM0152.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
[60-0007][MB][EUR][YT3][DT] Front axle mounting check
09 November 2023
Introduction
From the end of January 2023 until October 2023 flange nuts ( non self locking) were used to mount the front axle to the YTxx3 and DTxx3. This flange nut t26031374 can be recognized by a spanner size 32 mm.
For some unknown reason we have seen a few cases were the nuts did unwind themselves from the bolts.
Therefore we changed our production method for the YTxx3 as follows:
Use 4 times a non self locking nut with Loctite 243 on the rear side of the axle where space is limited, and 4 self locking nuts for the remaining positions.
For information: The non self locking nut has spanner size 32 and the self locking nut t26041075 has spanner size 36.
We changed our production method for the DTxx3 as follows:
Use 8 times self locking nut t26041075 with spanner size 36.
We reworked as much vehicles as possible that we had not shipped. For all vehicle with the 8 non self locking bolts that were delivered before we discovered this issue or before we could perform our rework action please see the recommended action below.
Documentation group of the steering system 90-02-01-444 RHD or 90-02-01-536 LHD was not updated with the correct nuts. The correct nuts are displayed in the group of the front axle mounting 60-01-02-158. The fact that the wrong nut was displayed in group 90-02-01-444/536 might have been confusing to some.
As stipulated in the Terberg Maintenance Manual TD1215 the correct mounting and tightening of bolts on the front and rear axles should be checked on the first, periodic and annual maintenance intervals. According to TD1215 the first interval should be performed after the first 100 operating hours of the vehicle.
Recommended Action
On all vehicles built with 8 flange nuts on the front axle a modification must be made. Please read the instructions below carefully.
All vehicles that were built using the 8 non self locking nuts are part of this campaign. (both DTxx3 and YTxx3)
For the YTxx3: when 4 self locking nuts and 4 non self locking nuts are mounted the machines was reworked/produced according to the most recent standard and is considered okay.
For the DTxx3: when 8 self locking nuts are mounted the machine is assembled to the correct standards and is considered okay.
1. Park the vehicle in a safe place.
2. Place wheel chocks on the rear wheels.
3. Disconnect the main switch and make sure no one can start the vehicle unintended
4. Check if the machine has 8 non self locking flange nuts, spanner width 32mm.
5. Change the 4 nuts on the front side of the axle to normal self locking nuts t26041075, torque these to 850Nm.
6. For YTxx3 (for DTxx3 go to step 7): Undo the other 4 flange nuts on the rear side of the axle, apply Loctite 243 and torque to 978Nm.
7. For DTxx3 (For YTxx3 go to step 8): Replace the 4 nuts on the rear side of the axle for self locking nuts t26041075, torque these to 850Nm.
8. Retorque nuts on the front side to 850Nm.
9. Mark all nuts with a marker after tightening.
Chronology :
January 28th 2023: Start use of non self locking nut on 8 positions on front axle in production due to health and safety issue with mounting the existing nuts.
October 9th 2023: we received report from our distributor in UK that on a number of non-highway vehicles the nuts were found loose.
October 10th 2023: a meeting was held to start internal investigation.
October 17th 2023: decision was taken to go back to self locking nuts, and on locations where self locking nut is not possible a thread locker (Loctite 243) must be applied. All used torques and documentation have been reviewed. Also the containment action to re-work all machines that are produced but not yet delivered is started.
November 6th 2023: it is clear which machines are modified before delivery in the containment action, and which vehicles were not. Start with preparing the Modification Bulletin.
1 Affected Product
Vehicle
| MAKE | MODEL | YEAR |
| TERBERG BENSCHOP B.V. | TERMINAL TRACTOR | 2022 |
3 Associated Documents
Recall Acknowledgement
RCAK-23V764-7864.pdf 646.148KB
Defect Notice 573 Report
RCLRPT-23V764-7436.PDF 214.226KB
Manufacturer Notices(to Dealers,etc)
RCMN-23V764-5619.pdf 568.767KB
Latest Recalls Documents
For the Latest and Most recent Recall Information Visit the link below…
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SEOCONTENT-START
OMB Control No.: 2127-0004
Part 573 Safety Recall Report 23V-764
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Terberg Benschop B.V.
Submission Date : NOV 13, 2023
NHTSA Recall No. : 23V-764
Manufacturer Recall No. : CAM0152
Manufacturer Information :
Manufacturer Name : Terberg Benschop B.V.
Address : Oranje-Nassaustraat 10
Benschop 00 3405XK
Company phone : 348459294
Population :
Number of potentially involved : 1
Estimated percentage with defect : 1 %
Vehicle Information :
Vehicle 1 : 2022-2022 Terberg Benschop B.V, YT193
Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES
Body Style : OTHER
Power Train : DIESEL
Descriptive Information : This recall applies to all vehicles produced from January 28th till 2023 until
corrective action was taken in production in October 2023. All vehicles that have been
re-worked prior to shipment are excluded from this campaign.
In this period we have produced 723 vehicles, of which only one is a DOT registered
vehicle that is used on-highway in the US. Al other units are used off highway. These
are located as follows: 181 in the US and the remaining 541 outside the US.
Production Dates : JAN 28, 2023 – OCT 10, 2023
VIN Range 1 : Begin : XLWYT193XN1028231 End : XLWYT193XN1028231 Not sequential
Description of Defect :
Description of the Defect : From the end of January 2023 until September 2023 8 non self locking flange
nuts were used to mount the front axle to the YTxx3 and DT.
For some unknown reason we have seen a few cases were the nuts did unwind
themselves from the bolts
FMVSS 1 : NR
FMVSS 2 : NR
Description of the Safety Risk : Steering front axle loose on front axle suspension. This will affect the ability
to drive, steer and brake the vehicle.
Description of the Cause : Use of non self locking nut in the assembly of the front axle suspension.
Identification of Any Warning Nuts found loose during first (at 100 working hours) periodic (at 500 working
hours) or annual inspection. All these inspections are stipulated in the
Part 573 Safety Recall Report 23V-764 Page 2
The information contained in this report was submitted pursuant to 49 CFR §573
that can Occur : maintenance manual.
Involved Components :
Component Name 1 : NR
Component Description : NR
Component Part Number : NR
Supplier Identification :
Component Manufacturer
Name : NR
Address : NR
NR
Country : NR
Chronology :
January 28th 2023: Start use of non self locking nut on 8 positions on front axle in production due to health and
safety issue with mounting the existing nuts.
October 9th 2023: we received report from our distributor in UK that on a number of non-highway vehicles
the nuts were found loose.
October 10th 2023: a meeting was held to start internal investigation.
October 17th 2023: decision was taken to go back to self locking nuts, and on locations where self locking nut
is not possible a thread locker (Loctite 243) must be applied. All used torques and documentation have been
reviewed. Also the containment action to re-work all machines that are produced but not yet delivered is
started.
November 6th 2023: it is clear which machines are modified before delivery in the containment action, and
which vehicles were not. Start with preparing the Modification Bulletin.
Part 573 Safety Recall Report 23V-764 Page 3
The information contained in this report was submitted pursuant to 49 CFR §573
Description of Remedy :
Description of Remedy Program : Customers will be actively be informed by their dealer, and the dealer will
come to the customer site to repair the vehicle free of charge.
Replace the non self locking nuts for self locking nuts on the positions
where there is space for the tooling
Add thread lock Loctite 243 to the nuts where there is no space for the
tooling to install the larger self locking nut.
Torque all nuts to the correct setting.
How Remedy Component Differs
from Recalled Component :
The non self locking nut will be replaced for a self locking nut. OR thread
lock Loctite 243 will be added.
Identify How/When Recall Condition
was Corrected in Production :
From October 17th the new working method: (4 self locking nuts and 4
other nuts with thread lock) was applied in production
Recall Schedule :
Description of Recall Schedule : 1 dealer will be informed in week 46.
They will visit the machine before week 50 to perform the remedy
Planned Dealer Notification Date : NOV 13, 2023 – NOV 17, 2023
Planned Owner Notification Date : NOV 20, 2023 – DEC 20, 2023
* NR – Not Reported
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Modification Bulletin
[60-0007][MB][EUR][YT3][DT] Front axle
mounting check
09 November 2023
Number of pages : 7
[60-0007][MB][EUR][YT3][DT] Front axle mounting check 2
Date Group Number Version
09 Nov 2023 60_Front Axle 0007 A
Front axle mounting check
YTxx3, DT
From the end of January 2023 until October 2023 flange nuts ( non self locking) were used to mount the front axle to the
YTxx3 and DTxx3. This flange nut t26031374 can be recognized by a spanner size 32 mm.
For some unknown reason we have seen a few cases were the nuts did unwind themselves from the bolts.
Therefore we changed our production method for the YTxx3 as follows:
Use 4 times a non self locking nut with Loctite 243 on the rear side of the axle where space is limited, and 4 self locking nuts
for the remaining positions.
For information: The non self locking nut has spanner size 32 and the self locking nut t26041075 has spanner size 36.
We changed our production method for the DTxx3 as follows:
Use 8 times self locking nut t26041075 with spanner size 36.
We reworked as much vehicles as possible that we had not shipped. For all vehicle with the 8 non self locking bolts that were
delivered before we discovered this issue or before we could perform our rework action please see the recommended action
below.
Documentation group of the steering system 90-02-01-444 RHD or 90-02-01-536 LHD was not updated with the correct nuts.
The correct nuts are displayed in the group of the front axle mounting 60-01-02-158. The fact that the wrong nut was
displayed in group 90-02-01-444/536 might have been confusing to some.
As stipulated in the Terberg Maintenance Manual TD1215 the correct mounting and tightening of bolts on the front and rear
axles should be checked on the first, periodic and annual maintenance intervals. According to TD1215 the first interval
should be performed after the first 100 operating hours of the vehicle.
Introduction :
[60-0007][MB][EUR][YT3][DT] Front axle mounting check 3
•
•
1.
2.
3.
4.
5.
6.
7.
8.
9.
On all vehicles built with 8 flange nuts on the front axle a modification must be made. Please read the instructions below
carefully.
All vehicles that were built using the 8 non self locking nuts are part of this campaign. (both DTxx3 and YTxx3)
For the YTxx3: when 4 self locking nuts and 4 non self locking nuts are mounted the machines was reworked/produced
according to the most recent standard and is considered okay.
For the DTxx3: when 8 self locking nuts are mounted the machine is assembled to the correct standards and is considered
okay.
For YTxx3: torque wrench that can reach 978 Nm OR Torque wrench and torque multiplier combination that can reach
978Nm.
For DTxx3: torque wrench that can reach 850 Nm OR Torque wrench and torque multiplier combination that can reach
850Nm.
part number Model description quantity
t26041075 YTxx3 Self locking nut M24 4
t26041075 DTxx3 Self locking nut M24 8
t30052220 Loctite thread locker 243 50ml
Before starting any work make sure you read, understand and follow all safety measures and warnings in
the driver and maintenance manual that are applicable to this vehicle.
Park the vehicle in a safe place.
Place wheel chocks on the rear wheels.
Disconnect the main switch and make sure no one can start the vehicle unintended
Check if the machine has 8 non self locking flange nuts, spanner width 32mm.
Change the 4 nuts on the front side of the axle to normal self locking nuts t26041075, torque these to 850Nm.
For YTxx3 (for DTxx3 go to step 7): Undo the other 4 flange nuts on the rear side of the axle, apply Loctite 243 and torque to
978Nm.
For DTxx3 (For YTxx3 go to step 8): Replace the 4 nuts on the rear side of the axle for self locking nuts t26041075, torque
these to 850Nm.
Retorque nuts on the front side to 850Nm.
Mark all nuts with a marker after tightening.
Recommended Action :
Tools Required
Required parts
Warnings :
[60-0007][MB][EUR][YT3][DT] Front axle mounting check 4
YTxx3 situation :
[60-0007][MB][EUR][YT3][DT] Front axle mounting check 5
DT Situation :
[60-0007][MB][EUR][YT3][DT] Front axle mounting check 6
1.
2.
3.
4.
5.
6.
1 Warranty Instructions for this Campaign :
1.1 Campaign name and number :
Campaign Name : Front axle mounting check
Campaign Number : cam0152
1.2 Priority :
Level : high
Explanation : We demand to carry out this modification before the given end date.
1.3 Software Required :
YES –> Use of product support portal mandatory
NO
1.4 Labor :
Max Amount of labor to be claimed
in hours :
1.5
1.5 Travel cost :
Travel cost can be invoiced. When more tractors are serviced at same location only one time travel costs will be accepted.
1.6 Involved vehicles :
A list with affected VIN numbers is supplied per email to a distributor. Vehicles that are not on the list are not part of the
campaign.
1.7 End date :
All work must be carried out before the 1st of February 2023. All invoices should be submitted at the latest before the 1st of
March 2023. When this end date cannot be met please contact our warranty department before the end date.
1.8 Reporting and Claiming :
Create a warranty request to claim the required costs for this modification.
Use warranty type campaign
Customer complaint: CAM0152
Choose main group: 060 / 061/ 297, choose cause: 0039, choose solution: 90.
Warranty department will process your request and send a confirmation e-mail with SCN number.
Costs can be charged as usual by sending a warranty invoice that states this SCN number to Terberg Benschop within 30
days after the repair date.
[60-0007][MB][EUR][YT3][DT] Front axle mounting check 7
Version Date Comment
Current Version (v. 9) 09 November 2023 12:14 Adriaan Bassa
v. 8 09 November 2023 11:32 Diet Bos
v. 7 09 November 2023 09:47 Adriaan Bassa
v. 6 09 November 2023 09:45 Adriaan Bassa
v. 5 09 November 2023 09:28 Geert Bruggink
v. 4 08 November 2023 14:17 Adriaan Bassa
v. 3 08 November 2023 13:52 Adriaan Bassa
v. 2 08 November 2023 13:47 Adriaan Bassa
v. 1 08 November 2023 07:50 Adriaan Bassa
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