TECHNICAL SERVICE BULLETIN
Moan Noise In The Rear Brakes When Vehicle Is Driven In Reverse In Cold
Weather And/Or High Humidity

25-2051
17 February
2025

This bulletin supersedes 25-2031. Reason for update: update the parts list.
Model:
Ford
2021-2025 Bronco Sport

Built on or before 21-Dec-2024

2020-2025 Escape
Markets: North American markets only
Issue: Some of the vehicles listed in the Model statement above may exhibit a moan noise when the vehicle is driven
in R in cold weather and/or high humidity. This may be due to the suspension sensitivity of the vehicle.
Action: For vehicles that meet all of the criteria in the Issue and Model statements, follow the Service Procedure to
install brake pads with clips and if necessary, install the rear reinforced caliper bushings.
Parts
Service Part Claim
Number
Quantity

Package
Order
Quantity

Number in
Package

Description

Note

SZ6Z-2200-A

1

1

1

Brake Pad Kit With Clips

W720472S439

1

1

4

Brake Caliper Anchor Plate
Bolts

XG-3-A

1

1

1

Motorcraft® Silicone Brake
Caliper Grease And
Dielectric Compound

PM-4-A

1

1

1

Motorcraft Metal Brake
Parts Cleaner

Low VOC Compliant
Formula

CPM-4-A

1

1

1

Motorcraft® Brake Parts
Cleaner

Low VOC Compliant
Formula (Canada Only)

PM-4-B

1

1

1
Motorcraft® Metal Brake
Parts Cleaner

High VOC Compliant
Formula (All Markets Not
Requiring A Low VOC
Product)

Parts - Parts To Inspect And Replace Only If Necessary
Service Part
Number

Claim Quantity

Package Order
Quantity

Number in
Package

DG9Z-2C150B

Only If
Necessary (Up
To 2)

Only If
Necessary (Up
To 2)

1

DG9Z-2B486B

Only If
Necessary (Up
To 2)

Only If
Necessary (Up
To 2)

1

LX6Z-2C026D

Only If
Necessary (Up
To 2)

Only If
Necessary (Up
To 2)

1

Description

Note

Rear Reinforced
Bushing Kit

(2021-2025 Bronco
Sport/2020-2025 Escape)

Brake Caliper
Spring
Rear Brake Disc

Claim Quantity refers to the total number of individual pieces required to repair the vehicle.

Package Order Quantity refers to the amount of the service part number package(s) required to repair the vehicle.
Number In Package refers to the number of individual pieces included in a service part number package.
Only If Necessary indicates the part is not mandatory. Refer to the Service Procedure to determine the
inspection/inclusion criteria.
Warranty Status: Eligible under provisions of New Vehicle Limited Warranty (NVLW)/Service Part Warranty
(SPW)/Service Part New Vehicle (SPNV)/Extended Service Plan (ESP) coverage. Limits/policies/prior approvals are
not altered by a TSB. NVLW/SPW/SPNV/ESP coverage limits are determined by the identified causal part and
verified using the OASIS part coverage tool.
Labor Times
Operation
No.

Description

Time

2020-2025 Escape, 2021-2025 Bronco Sport: Replace The Brake Pads On Both (2) Rear
Brake Calipers Following The Service Procedure Includes Time To Clean Bushing Housing And
Add Grease (Can Be Claimed With Operation C, D, E, Or F) (Do Not Use With Any Other
Labor Operations Outside Of This Article)

252051A

0.9
Hrs.

2020-2025 Escape, 2021-2025 Bronco Sport: Replace The Caliper Bushings, Guide Pins And
Brake Pads On Both (2) Rear Brake Calipers Following The Service Procedure Includes Time
To Clean Bushing Housing And Add Grease (Can Be Claimed With Operation C, D, E, Or F)
(Do Not Use With Any Other Labor Operations Outside Of This Article)

252051B

1.4
Hrs.

2020-2025 Escape: Additional Time To Machine Both Rear Disc Brake Rotors On Vehicle (Can
Be Claimed With Operation A Or B)

252051C

0.6
Hrs.

2020-2025 Escape: Additional Time To Replace Both Rear Disc Brake Rotors (Can Be Claimed
With Operation A Or B)

252051D

0.2
Hrs.

2021-2025 Bronco Sport: Additional Time To Machine Both Rear Disc Brake Rotors On Vehicle
(Can Be Claimed With Operation A Or B)

252051E

0.7
Hrs.

2021-2025 Bronco Sport: Additional Time To Replace Both Rear Disc Brake Rotors 0.4 (Can
Be Claimed With Operation A Or B)

252051F

0.4
Hrs.

Repair/Claim Coding
Causal Part:

2C150

Condition Code: 42

Service Procedure
Bronco Sport Moan Noise
Escape Moan Noise
NOTE: 2021-2022 Bronco Sport vehicles built on or before 23-Sep-2022 and 2020-2022 Escape vehicles built
on 1-Nov-2020 and through 29-Aug-2022 are not equipped with rear reinforced bushings. Perform the
replacement of the rear caliper bushings only for the vehicles that are not equipped with reinforced
bushings. Review the warranty history of the VIN and confirm if the rear reinforced bushings were replaced
by a previous service bulletin. To review the warranty history, enter the PTS. Enter the VIN. Click for the full
warranty repair history.
1. Proceed to the appropriate procedure based on how the vehicle is equipped.
(1). If the vehicle is not equipped with rear reinforced bushings, complete Procedure A.
(2). If the vehicle is equipped with rear reinforced bushings or if the vehicle recently has installed the rear
reinforced bushings by a previous service bulletin, complete Procedure B.

Procedure A: Installation Of Rear Reinforced Bushings And Brake Pads With Clips
NOTE: Perform the following procedure on both rear calipers.

1. Activate the brake service mode. Refer to the WSM, Section 206-00 Brake System > General Information >
General Procedures.
2. Remove the wheel and tire. Refer to the WSM, Section 204-04A Wheels and Tires > Removal and Installation.
3. Remove the brake caliper spring. (Figure 1)
Figure 1

4. Disconnect the parking brake electrical connector. (Figure 2)
Figure 2

5. Remove and discard the brake caliper guide pin cap and guide pin on the opposite side of the bleeder. (Figures 35)
Figure 3

Figure 4

Figure 5

6. Loosen the upper guide pin and rotate the rear caliper upwards to access to the bushing housing. (Figure 6,
Callout 1)
Figure 6

7. Using 6 inch slip joint pliers, remove and discard the standard bushing located on the opposite side of the bleeder.
(Figure 7)
Figure 7

8. Install a new reinforced caliper bushing.
NOTE: The kit includes: (1) standard bushing (Figure 8, Callout 1), (1) reinforced bushing (Figure 8, Callout
2), (2) guide pins (Figure 8, Callout 3), (2) guide pin caps (Figure 8, Callout 4)
Figure 8

Item

Description

1

Standard Bushing

2

Reinforced Bushing

3

Guide Pins

4

Guide Pin Caps

(1). Use a ½ inch drum sander bit to clean the caliper bushing housing. (Figure 9)
Figure 9

(2). Use Motorcraft® Metal Brake Parts Cleaner to remove any brake dust from the bushing housing.
(3). Lubricate the bushing and bushing housing with Motorcraft® Silicone brake caliper grease. (Figures 10-11)
Figure 10

Figure 11

(4). Use an appropriate diameter socket, such as a 13 mm 3/8 drive chrome deep socket, to push the bushing into
the caliper bushing housing. (Figures 12-14)
Figure 12

Figure 13

Figure 14

NOTE: Use a plastic trim tool to help guide the bushing into the housing.
9. Position the rear caliper in place and reinstall the guide pin (Figure 15)
Figure 15

(1). Tighten the lower pin enough to rotate the caliper
10. Remove and discard the upper brake caliper guide pin cap and guide pin beside the bleeder. (Figure 16)
Figure 16

11. Rotate the caliper downwards to access to the bushing housing.
12. Using 6 inch slip joint pliers, remove and discard the standard bushing located beside the bleeder.
13. Install a new standard bushing.
(1). Use a ½ inch drum sander bit to clean the caliper bushing housing.
(2). Use Motorcraft® Metal Brake Parts Cleaner to remove any brake dust from the bushing housing.
(3). Lubricate the bushing and bushing housing with Motorcraft® Silicone brake caliper grease.
(4). Use an appropriate diameter socket, such as a 13 mm 3/8 drive chrome deep socket, to push the bushing into
the caliper bushing housing.
NOTE: Use a plastic trim tool to help guide the bushing into the housing.
14. Remove the lower guide pin and position the brake caliper aside.
15. Remove and discard the rear brake caliper anchor plate bolts and position the rear anchor plate aside.
16. Measure the thickness of the rear brake discs. Refer to the WSM, Section 206-00 Brake System > General
Information > Specifications. Are one or both rear brake discs below the minimum specification?
(1). Yes - remove and discard both rear brake discs. Refer to the WSM, Section 206-04 Rear Disc Brake >
Removal and Installation. Proceed to Step 17.
(2). No - machine both rear brake discs. Refer to the WSM, Section 206-00 Brake System > General Information.
Proceed to Step 19.
17. Clean the mating surfaces of the rear brake disc and wheel hub.
18. Install new rear brake discs.
19. Reinstall the rear brake caliper anchor plate.
(1). Install new brake caliper anchor plate bolts and tighten to 63 Nm (46 lb-ft).
20. Remove and discard the brake pads. Refer to the WSM, Section 206-04 Rear Disc Brake > Removal and
Installation
21. Compress the brake caliper piston until the piston bottoms out in the brake caliper bore. (Figure 17)
Figure 17

22. Use Motorcraft® Metal Brake Parts Cleaner, wire brush and an abrasive pad (super fine grade) to clean the brake
pad to anchor plate contact points. (Figure 18)
Figure 18

23. Use Motorcraft® Metal Brake Parts Cleaner and an abrasive pad (super fine grade) to clean the brake caliper.
(Figure 19-20)
Figure 19

Figure 20

24. Use compressed air to completely dry the contact areas.
25. Apply Motorcraft® Silicone brake caliper grease to the anchor plate contact points. (Figure 21)
Figure 21

26. Install new brake pads in the caliper.
27. Position the brake pad clips. (Figure 22)
Figure 22

28. Position the rear caliper in place and install new guide pins.
(1). Lubricate the guide pins with Motorcraft® Silicone brake caliper grease.
(2). Tighten both guide pins to 28 Nm (21 lb-ft).
29. Install the new guide pin caps.
30. Reinstall the caliper spring.

NOTE: Inspect the brake caliper spring for any damage. If the brake caliper spring is bent or damaged, install
a new brake caliper spring.
31. To assemble the vehicle, reverse the removal procedure.
32. Deactivate the brake service mode. Refer to the WSM, Section 206-00 Brake System > General Information >
General Procedures.
33. Apply the brake pedal several times to verify correct brake system operation.

Procedure B: Installation Of Brake Pads And Clips - Vehicles Equipped With
Reinforced Bushings
NOTE: Perform the following procedure on both rear calipers.
1. Activate the brake service mode. Refer to the WSM, Section 206-00 Brake System > General Information >
General Procedures.
2. Remove the wheel and tire. Refer to the WSM, Section 204-04A Wheels and Tires > Removal and Installation.
3. Remove the brake caliper spring.
4. Disconnect the parking brake electrical connector.
5. Remove both guide pin caps. (Figure 23)
Figure 23

6. Remove both guide pins and position the brake caliper aside. (Figure 24)
Figure 24

7. Remove and discard the rear caliper anchor plate bolts and position the rear anchor plate aside.
8. Measure the thickness of the rear brake discs. Refer to the WSM, Section 206-00 Brake System > General
Information > Specifications. Are one or both rear brake discs below the minimum specification?
(1). Yes - remove and discard both rear brake discs. Refer to the WSM, Section 206-04 Rear Disc Brake >
Removal and Installation. Proceed to Step 9.
(2). No - machine both rear brake discs. Refer to the WSM, Section 206-00 Brake System > General Information.
Proceed to Step 11.
9. Clean the mating surfaces of the rear brake disc and wheel hub.
10. Install new rear brake discs.
11. Reinstall the rear brake caliper anchor plate.
(1). Install the new brake caliper anchor plate bolts and tighten to 63 Nm (46lb-ft)
12. Remove and discard the brake pads. (Figure 25)
Figure 25

13. Compress the brake caliper piston until the piston bottoms out in the brake caliper bore. (Figure 26)
Figure 26

14. Use Motorcraft® Metal Brake Parts Cleaner, wire brush and an abrasive pad (super fine grade) to clean the brake
pad to anchor plate contact points. (Figures 27)
Figure 27

15. Use Motorcraft® Metal Brake Parts Cleaner and an abrasive pad (super fine grade) to clean the brake caliper.
(Figure 28-29)
Figure 28

Figure 29

16. Use compressed air to completely dry the contact areas.
17. Apply Motorcraft® Silicone brake caliper grease to the anchor plate contact points (Figure 30)
Figure 30

18. Install new brake pads in the caliper.
19. Position the brake pad clips. (Figure 31)
Figure 31

20. Position the rear caliper in place and reinstall guide pins.
(1). Use Motorcraft® Metal Brake Parts Cleaner and clean the guide pins.
(2). Lubricate the guide pins with Motorcraft® Silicone brake caliper grease.
(3). Tighten both guide pins to 28 Nm (21 lb-ft).
21. Reinstall the guide pin caps.
22. Reinstall the brake caliper spring.
NOTE: Inspect the brake caliper spring for any damage. If the brake caliper spring is bent or damaged, install
a new brake caliper spring.
23. To assemble the vehicle, reverse the removal procedure.
24. Deactivate the brake service mode. Refer to the WSM, Section 206-00 Brake System > General Information >
General Procedures.
25. Apply the brake pedal several times to verify correct brake system operation.

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All rights reserved.
NOTE: The information in Technical Service Bulletins is intended for use by trained, professional technicians with the knowledge, tools, and
equipment to do the job properly and safely. It informs these technicians of conditions that may occur on some vehicles, or provides information
that could assist in proper vehicle service. The procedures should not be performed by "do-it-yourselfers". Do not assume that a condition
described affects your car or truck. Contact a Ford or Lincoln dealership to determine whether the Bulletin applies to your vehicle. Warranty Policy
and Extended Service Plan documentation determine Warranty and/or Extended Service Plan coverage unless stated otherwise in the TSB article.
The information in this Technical Service Bulletin (TSB) was current at the time of printing. Ford Motor Company reserves the right to supersede
this information with updates. The most recent information is available through Ford Motor Company's on-line technical resources.