CUSTOMER SATISFACTION NOTIFICATION
NORTH AMERICA

Coolant Restrictor
FCA US LLC
Reference: 58B
2021 – 2025 (WD) Dodge Durango (Pursuit Vehicles)
Template Version 1.8

Revision
2

Edition
April 2025

Detail
Added 2024 and 2025 MY’s

SYMPTOM DESCRIPTION
The coolant pump on about 21,051 of the above
vehicles may cause a pin hole in the oil cooler due to
cavitation produced by the high flow of coolant
provided by the coolant pump.

SCOPE
This campaign applies only to the above vehicles
equipped with a 5.7L engine (sales code EZH) and
Special Equipment Group (sales code NHA) Engine
Oil Cooler.

NOTE: Some vehicles above may have been
identified as not involved in this campaign and
therefore have been excluded from this campaign.
IMPORTANT: Some of the involved vehicles may
be in dealer new vehicle inventory. Dealers should
complete this campaign service on these vehicles
before retail delivery. Dealers should also perform
this repair on vehicles in used vehicle inventory and
those vehicles in for service. Involved vehicles can be
determined by using the VIP inquiry process.

Use the following labor operation numbers and time
allowances:
Labor Description
Number
Hrs
Install coolant restrictor
07-58-B1-82
0.8hrs
(Unsold/Sold Vehicles)
Replace oil cooler and
07-58-B1-83
0.9hrs
coolant restrictor (Sold
Vehicles)
NOTE: See the Warranty Administration Manual,
Recall Claim Processing Section, for complete
claim processing instructions.

PARTS INFORMATION
Qty
Part Name
Part No.
1
*Coolant (1Gal)
68163849AB
1
Oil Cooler
04893310AA
1
Oil Filter
04892339BE
1
Restrictor
68730550AA
1
Oil, Motor 1 Quart (MSQ 6)
68523994AA
2
Rivet
06512761AA
*1 GALLON COOLANT WILL SERVE MULTIPLE VEHICLES

PARTS RETURN

REPAIR TO BE PERFORMED

No Parts to return

For any UNSOLD/SOLD vehicles with LESS than 100
miles install the coolant hose restrictor ONLY follow
section A procedure instructions outlined in the
Service Procedure below. Vehicles that are in service
(SOLD with Greater than 100 miles) install the
coolant hose restrictor and replace the oil cooler,
follow section B procedure instructions outlined in the
Service Procedure below.

SPECIAL TOOLS
No special tools required to perform this service
procedure.

DEALER NOTIFICATION
To view this notification on DealerCONNECT, select
“Global Recall System” on the Service tab, then click
on the description of this notification.

Owner Notification and Service
Scheduling
All involved vehicle owners known to FCA are being
notified of the service requirement by mail. They are
requested to schedule appointments for this service
with their dealers. A generic copy of the owner letter
is attached.
Strictly respect STELLANTIS Group safety, cleanliness, and environmental instructions for any intervention.
Document exclusively reserved for dealer information. Internal distribution to be ensured by dealer.
Reproduction forbidden without the written agreement of STELLANTIS Group. (C) 2024 STELLANTIS Group. All Rights Reserved

1/7

CUSTOMER SATISFACTION NOTIFICATION
NORTH AMERICA

Coolant Restrictor
FCA US LLC
Reference: 58B

Vehicle Lists, Global Recall System, VIP
and Dealer Follow Up
All involved vehicles have been entered into the
DealerCONNECT Global Recall System (GRS) and
Vehicle Information Plus (VIP) for dealer inquiry as
needed.
GRS provides involved dealers with an updated VIN
list of their incomplete vehicles. The owner’s name,
address and phone number are listed if known.
Completed vehicles are removed from GRS within
several days of repair claim submission.
To use this system, click on the “Service” tab and
then click on “Global Recall System.” Your dealer’s
VIN list for each campaign displayed can be sorted by:
those vehicles that were unsold at campaign launch,
those with a phone number, city, zip code, or VIN
sequence.

Dealers should perform this repair on all unsold
vehicles before retail delivery. Dealers should also
use the VIN list to follow up with all owners to schedule
appointments for this repair.
VIN lists may contain confidential, restricted owner
name and address information that was obtained from
the Department of Motor Vehicles of various states.
Use of this information is permitted for this notification
only and is strictly prohibited from all other use.

Additional Information
If you have any questions or need assistance in
completing this action, please contact your Service
and Parts District Manager.
Customer Service / Field Operations FCA US LLC

Strictly respect STELLANTIS Group safety, cleanliness, and environmental instructions for any intervention.
Document exclusively reserved for dealer information. Internal distribution to be ensured by dealer.
Reproduction forbidden without the written agreement of STELLANTIS Group. (C) 2024 STELLANTIS Group. All Rights Reserved

2/7

CUSTOMER SATISFACTION NOTIFICATION
NORTH AMERICA

Coolant Restrictor
FCA US LLC
Reference: 58B

A. Coolant Restrictor Service Procedure (Unsold Vehicles ONLY) with LESS than 100
miles
1. Remove the radiator pressure cap.
WARNING: Do not remove cylinder block drain plugs or loosen radiator draincock with system hot and
under pressure. Serious burns from coolant can occur.
2. Raise vehicle.
3. Remove the skid plate (Figure 1).
4. Remove the lower facia closeout panel
(Figure 1).

FACIA
CLOSEOUT
PANEL

SKID
PLATE

Figure 1 – Under Body
5. Attach a hose to the radiator draincock fitting and loosen the radiator draincock valve (Figure 2).

6. Drain coolant into a clean container.
NOTE: DO NOT WASTE reusable
coolant. If the solution is clean, drain the
coolant into a clean container for reuse.

7. Close the radiator draincock and remove
the hose.
DRAINCOCK

Figure 2 - Draincock

Strictly respect STELLANTIS Group safety, cleanliness, and environmental instructions for any intervention.
Document exclusively reserved for dealer information. Internal distribution to be ensured by dealer.
Reproduction forbidden without the written agreement of STELLANTIS Group. (C) 2024 STELLANTIS Group. All Rights Reserved

3/7

CUSTOMER SATISFACTION NOTIFICATION
NORTH AMERICA

Coolant Restrictor
FCA US LLC
Reference: 58B

Service Procedure [Continued]
8. Remove the hose clamp from the hose (Figure 3).
9. Remove the hose from the nipple.
10.

Insert the restrictor into the coolant hose (Figure 4).

11.

Reattach the coolant hose to the nipple.

12.

Move hose clamp into position.

13.

Install the the lower facia closeout panel.

14.

Install the skid plate.

15.

Lower the vehicle.

16.

Evacuate cooling system and add drained, clean coolant.

17.

Pressure test cooling system check for leaks.

18.

Start vehicle, check for coolant leak.

19.

Return the vehicle to inventory.

HOSE
CLAMP

Figure 3 - Hose

RESTRICTOR

HOSE
CLAMP
PLIERS

Figure 4 – Restrictor Installation

Strictly respect STELLANTIS Group safety, cleanliness, and environmental instructions for any intervention.
Document exclusively reserved for dealer information. Internal distribution to be ensured by dealer.
Reproduction forbidden without the written agreement of STELLANTIS Group. (C) 2024 STELLANTIS Group. All Rights Reserved

4/7

CUSTOMER SATISFACTION NOTIFICATION
NORTH AMERICA

Coolant Restrictor
FCA US LLC
Reference: 58B

B. Oil Cooler and Coolant Restrictor Service Procedure (SOLD Pursuit Vehicles ONLY)
with Greater than 100 miles)
1. Open the hood, remove the oil dipstick and check the
color of the engine oil on the dipstick.
Is the color of the oil similar to figure 5? If the oil
color is similar, contact the Star Center for further
information. If not proceed to step 2.

2. Remove the radiator pressure cap.

Figure 5 – Oil and Coolant Mixture

WARNING: Do not remove cylinder block
drain plugs or loosen radiator draincock with
system hot and under pressure. Serious
burns from coolant can occur.
3. Raise vehicle.
4. Remove the skid plate (Figure 6).
5. Remove the lower facia closeout panel
(Figure 6).

6. Attach a hose to the radiator draincock fitting and
loosen the radiator draincock valve (Figure 7).
7. Drain coolant into a clean container.

FACIA
CLOSEOUT
PANEL

SKID
PLATE

Figure 6 – Under Body

NOTE: DO NOT WASTE reusable coolant. If the
solution is clean, drain the coolant into a clean
container for reuse.

8. Close the radiator draincock and remove the hose.

DRAINCOCK

Figure 7 - Draincock

Strictly respect STELLANTIS Group safety, cleanliness, and environmental instructions for any intervention.
Document exclusively reserved for dealer information. Internal distribution to be ensured by dealer.
Reproduction forbidden without the written agreement of STELLANTIS Group. (C) 2024 STELLANTIS Group. All Rights Reserved

5/7

CUSTOMER SATISFACTION NOTIFICATION
NORTH AMERICA

Coolant Restrictor
FCA US LLC
Reference: 58B

Oil Cooler and Coolant Restrictor Service Procedure [Continued]
9. Remove the hose clamp from the hose (Figure 8).
10.

Remove the hose from the nipple.

11.

Insert the restrictor into the coolant hose (Figure 9).

12.

Reattach the coolant hose to the nipple.

13.

Move hose clamp into position.

14.

Remove the oil filter from the oil cooler and DISCARD.

HOSE
CLAMP

Figure 8 - Hose

OIL FILTER

OIL COOLER

RESTRICTOR

HOSE
CLAMP
PLIERS

Figure 9 – Restrictor Installation

Strictly respect STELLANTIS Group safety, cleanliness, and environmental instructions for any intervention.
Document exclusively reserved for dealer information. Internal distribution to be ensured by dealer.
Reproduction forbidden without the written agreement of STELLANTIS Group. (C) 2024 STELLANTIS Group. All Rights Reserved

6/7

CUSTOMER SATISFACTION NOTIFICATION
NORTH AMERICA

Coolant Restrictor
FCA US LLC
Reference: 58B

Oil Cooler and Coolant Restrictor Service Procedure [Continued]
15.

Remove the oil cooler clamps, then remove the hoses
(Figure 10).

16.

Using a 12mm Allen Wrench socket remove the oil cooler
retaining bolt.

17.

Clean the sealing surface of the oil cooler.

18.

Lightly lubricate the NEW oil cooler rubber O-ring seal with
clean engine oil.

19.

Using a 12mm Allen Wrench socket, install the oil cooler
retaining bolt and tighten to 33N∙m (24ft. Lbs.).

20.

Position the cooling hoses and install the clamps.

21.

Lightly lubricate the NEW oil filter gasket with clean engine oil.

22.

Thread the oil filter onto the oil cooler.

23.

When the oil filter gasket contacts the oil cooler sealing
surface, hand tighten the oil filter one half turn, or 180°

OIL
COOLER
HOSE
CLAMPS

Figure 10 – Engine Oil Cooler

24.

Install the the lower facia closeout panel.

25.

Install the skid plate.

26.

Lower the vehicle.

27.

Evacuate the cooling system and add drained, clean coolant.

28.

Pressure test cooling system check for leaks.

29.

Start vehicle, check for coolant leak.

30.

Check for oil leak on the oil filter surrounding area including housing, fittings, and hoses.

31.

Check engine oil level and add as necessary.

32.

Return the vehicle to the customer.

Strictly respect STELLANTIS Group safety, cleanliness, and environmental instructions for any intervention.
Document exclusively reserved for dealer information. Internal distribution to be ensured by dealer.
Reproduction forbidden without the written agreement of STELLANTIS Group. (C) 2024 STELLANTIS Group. All Rights Reserved

7/7

This notice applies to your vehicle,

CUSTOMER SATISFACTION NOTIFICATION
Coolant Restrictor

[Model Year and Model]
VIN XXXXXXXXXXXXXXXXX

58B

LOGO

VEHICLE PICTURE

Dear [Name],
At FCA US LLC, we recognize that the success of our business depends on the satisfaction of
our customers. We are constantly monitoring the quality of our products and looking for
opportunities to improve our vehicles even after they are sold. Because your long-term
satisfaction is important to us, we are contacting you on important improvements we would
like to make to your vehicle [1]. This will be done at no charge to you.
We are recommending the following improvements be performed on certain [2021 – 2025
Model Year (WD) Dodge Durango] pursuit vehicles.
WHY DOES MY VEHICLE NEED REPAIRS?
The coolant pump on your vehicle may cause a pin hole in the oil cooler due to cavitation
produced by the high flow of coolant provided by the coolant pump.

YOUR SCHEDULING OPTIONS
1. RECOMMENDED OPTION
Call your authorized Chrysler /
Dodge / Jeep® / RAM Dealership
2. Call the FCA Recall Assistance
Center at 1-800-853-1403. An
agent
can
confirm
part
availability and help schedule an
appointment.
3. Visit recalls.mopar.com, scan the
QR code below, or download the
Mopar Owner’s Companion App.

QR Code

HOW DO I RESOLVE THIS CUSTOMER SATISFACTION NOTIFICATION?
FCA US will repair your vehicle free of charge (parts and labor). To do this, your dealer
will replace the oil cooler and install a coolant flow restrictor in the hose. The estimated repair
time is about 1 hour. In addition, your dealer will require your vehicle for proper check-in,
preparation, and check-out during your visit, which may require more time. Your time is
important to us, so we recommend that you schedule a service appointment to minimize your
inconvenience. Please bring this letter with you to your dealership.
TO SCHEDULE YOUR FREE REPAIR,
CALL YOUR CHRYSLER, DODGE, JEEP OR RAM DEALER TODAY
WHAT IF I ALREADY PAID TO HAVE THIS REPAIR COMPLETED?
If you have already experienced this specific condition and have paid to have it repaired, you
may visit www.fcarecallreimbursement.com to submit your reimbursement request online. [2]
Once we receive and verify the required documents, reimbursement will be sent to you within
60 days. If you have had previous repairs performed and/or already received reimbursement,
you may still need to have the repair performed.
We apologize for any inconvenience, but are sincerely concerned about your satisfaction.
Thank you for your attention to this important matter.

Get access to recall notifications,
locate your nearest dealer, and more
through this website or Mopar
Owner’s Companion App. You will be
asked to provide your Vehicle
Identification Number (VIN) to
protect and verify your identity.
DEALERSHIP INSTRUCTIONS
Please reference CSN 58B.

Customer Assistance/Field Operations
FCA US LLC

Mr. Mrs. Customer
1234 Main Street
Hometown, MI 48371

[1] If you no longer own this vehicle, please help us update our records. Call the FCA Recall Assistance Center at 1-800-853-1403 to update your information.
[2] You can also mail in your original receipts and proof of payment to the following address for reimbursement consideration: FCA Customer Assistance, P.O. Box 218004, Auburn Hills, MI 48321-8007, Attention: Recall Reimbursement.