NHTSA ID Number: 11018608
Manufacturer Communication Number: S2523000050
TSB/Document Date: 2025-05-28
Summary
Vibration From Engine Or Powertrain. Powertrain Mounting Neutralization Procedure. Discussion: Service information is in the process of being updated to include powertrain mount installation best practices. The new procedure will neutralize the mounts to lessen or remove unwanted mount tension that can lead to vibration complaints.
Case Number: S2523000050
Release Date: May 2025
Symptom/Vehicle Issue: Vibration From Engine Or Powertrain. Powertrain Mounting
Neutralization Procedure.
Discussion: Service information is in the process of being updated to include
powertrain mount installation best practices. The new procedure will neutralize the
mounts to lessen or remove unwanted mount tension that can lead to vibration
complaints. See the below procedure for the improved steps.
POWERTRAIN MOUNT NEUTRALIZATION – RU (ALL
VARIANTS)
NOTE: RU FWD left transmission mount shown (Fig 1).
1. Remove or relocate components as required to access the engine mount bolts (Refer to 09 - Engine/Engine
Mounting/INSULATOR, Engine Mount/Removal) .
2. Loosen the left trans mount to transmission bracket bolts (Fig 1. Labelled 1).
Fig 1. Left Transmission Mount
This document does not authorize warranty repairs. This communication documents a record of past experiences. STAR Online
does not provide any conclusions about what is wrong with the vehicle. Rather, it captures all previous cases known that appear
to be similar or related to the vehicle symptom / condition. You are the expert, and you are responsible for deciding on the
appropriate course of action.
Contact STAR Center, or your Technical Assistance Center Via TechConnect, eCONTACT or Service Library
entry if no solution is found.
Stellantis US LLC
Version 4.5 07/22/2022
3. Loosen the left trans mount to frame rail bolt (Fig 1. Labelled 2).
4. Loosen the bolt for the left trans mount to strut tower (Fig 1. Labelled 3) attachment, if equipped.
5. If necessary for access, remove the bolts (Fig 2. Labelled 1) and wire harness bracket from the left transmission
mount bracket.
Fig 2. Harness Bracket
NOTE: RU FWD right engine mount shown (Fig 3).
1. Remove or relocate components as required to access the engine mount bolts (Refer to 09 - Engine/Engine
Mounting/INSULATOR, Engine Mount/Removal) .
2. Loosen the right engine mount to engine bracket bolts (Fig 3. Labelled 2).
This document does not authorize warranty repairs. This communication documents a record of past experiences. STAR Online
does not provide any conclusions about what is wrong with the vehicle. Rather, it captures all previous cases known that appear
to be similar or related to the vehicle symptom / condition. You are the expert, and you are responsible for deciding on the
appropriate course of action.
Contact STAR Center, or your Technical Assistance Center Via TechConnect, eCONTACT or Service Library
entry if no solution is found.
Stellantis US LLC
Version 4.5 07/22/2022
Fig 3. Right Engine Mount
3. Loosen the right engine mount to frame rail bolts (Fig 3.
Labelled 1).
4. Loosen the bolt for the right engine mount to strut tower
(Fig 4. Labelled 1) attachment, if equipped.
Fig 4. Right Mount to Strut Tower Bracket
This document does not authorize warranty repairs. This communication documents a record of past experiences. STAR Online
does not provide any conclusions about what is wrong with the vehicle. Rather, it captures all previous cases known that appear
to be similar or related to the vehicle symptom / condition. You are the expert, and you are responsible for deciding on the
appropriate course of action.
Contact STAR Center, or your Technical Assistance Center Via TechConnect, eCONTACT or Service Library
entry if no solution is found.
Stellantis US LLC
Version 4.5 07/22/2022
NOTE: RU FWD rear engine torque mount shown (Fig 5).
1. Raise and support the vehicle (Refer to 04 - Vehicle Quick Reference/Hoisting/Standard Procedure) .
2. Remove the belly pan (if equipped) (Refer to 13 - Frame and Bumpers/Under Body Protection/BELLY PAN/Removal) .
3. Loosen the rear engine torque mount to transmission bracket bolt (Fig 5. Labelled 1).
Fig 5. Rear Engine Torque Mount to Trans
4. Loosen the rear mount to crossmember bolt (Fig 6.
Labelled 1).
Fig 6. Rear Engine Torque Mount to Cradle
This document does not authorize warranty repairs. This communication documents a record of past experiences. STAR Online
does not provide any conclusions about what is wrong with the vehicle. Rather, it captures all previous cases known that appear
to be similar or related to the vehicle symptom / condition. You are the expert, and you are responsible for deciding on the
appropriate course of action.
Contact STAR Center, or your Technical Assistance Center Via TechConnect, eCONTACT or Service Library
entry if no solution is found.
Stellantis US LLC
Version 4.5 07/22/2022
NOTE: RU FWD rear engine torque mount shown (Fig 6).
1. Raise and support the vehicle (Refer to 04 - Vehicle Quick Reference/Hoisting/Standard Procedure) .
2. Center the powertrain in the engine mounts:
•
Allow the powertrain to relax.
•
Manually position the powertrain as close as possible to a position where the right and left engine
mounts appear centered in their housings and are not skewed front-to-rear or side-to-side.
•
Again, allow the powertrain to relax.
NOTE: RU FWD rear engine torque mount shown (Fig 7).
Fig 7. Rear Engine Torque Mount to Cradle
1. Tighten the rear engine mount to crossmember bolt (Fig 7. Labelled 1) to the proper (Torque Specifications)
2. Tighten the rear engine torque mount to transmission bracket bolt (Fig 8. Labelled 1) to the proper (Torque
Specifications) .
This document does not authorize warranty repairs. This communication documents a record of past experiences. STAR Online
does not provide any conclusions about what is wrong with the vehicle. Rather, it captures all previous cases known that appear
to be similar or related to the vehicle symptom / condition. You are the expert, and you are responsible for deciding on the
appropriate course of action.
Contact STAR Center, or your Technical Assistance Center Via TechConnect, eCONTACT or Service Library
entry if no solution is found.
Stellantis US LLC
Version 4.5 07/22/2022
Fig 8. Rear Engine Torque Mount to Cradle
3. Install the belly pan (if equipped) (Refer to 13 - Frame and Bumpers/Under Body Protection/BELLY PAN/Installation) .
4. Lower the vehicle.
NOTE: RU FWD right engine mount bracket shown.
1. Tighten the right engine mount to strut tower bolt (Fig 9. 1) to the proper (Torque Specifications) , if equipped.
Fig 9. Right Mount To Strut Bracket
This document does not authorize warranty repairs. This communication documents a record of past experiences. STAR Online
does not provide any conclusions about what is wrong with the vehicle. Rather, it captures all previous cases known that appear
to be similar or related to the vehicle symptom / condition. You are the expert, and you are responsible for deciding on the
appropriate course of action.
Contact STAR Center, or your Technical Assistance Center Via TechConnect, eCONTACT or Service Library
entry if no solution is found.
Stellantis US LLC
Version 4.5 07/22/2022
NOTE: RU FWD right engine mount shown.
1. Tighten the right engine mount to frame rail bolts (Fig
10.abeled 1) to the proper (Torque Specifications) .
Fig 10. Right Engine Mount
2. Tighten the right engine mount to engine bracket bolts (Fig 10. Labeled 2) to the proper (Torque Specifications) .
3. Tighten the left transmission mount to strut tower bolt (Fig 11. Labeled 3) to the proper (Torque Specifications) , if
equipped.
Figure 11. Left Transmission Mount
4. Tighten the left transmission mount to frame rail bolts (Fig 11. Labeled 2) to the proper (Torque Specifications) .
5. Tighten the left transmission mount to transmission bracket bolts (Fig 11. Labeled 1) to the proper (Torque
Specifications) .
6. Install the components removed to access the engine mount bolts (Refer to 09 - Engine/Engine
Mounting/INSULATOR, Engine Mount/Installation) .
This document does not authorize warranty repairs. This communication documents a record of past experiences. STAR Online
does not provide any conclusions about what is wrong with the vehicle. Rather, it captures all previous cases known that appear
to be similar or related to the vehicle symptom / condition. You are the expert, and you are responsible for deciding on the
appropriate course of action.
Contact STAR Center, or your Technical Assistance Center Via TechConnect, eCONTACT or Service Library
entry if no solution is found.
Stellantis US LLC
Version 4.5 07/22/2022
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TSB/Document ID: S2523000050
Replacement Service Bulletin Number:
MFR Communication Date: 2025-05-26
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE
MFR Component System: Engine Mounts, Transmission Mounts
MFR Component Subsystem:
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