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NHTSA ID Number: 10206872
Manufacturer Communication Number: TSB 22-2018
Summary
Some 2021 Broncos may exhibit a whistle noise coming from the front center of the vehicle and/or the climate control housing. This may be due to the sealing on the climate control case. To correct the condition, follow the Service Procedure to apply butyl tape to cover small holes in the fresh air inlet door.
![2021 Ford Bronco Sport](/Uploads/2021-Ford-Bronco-Sport.png)
This bulletin supersedes 21-2352. Reason for update: Remove The Production Fix Date
Model:
2021 Bronco
Summary
This article supersedes TSB 21-2352 to update the Title, Issue and Action.
Issue: Some 2021 Broncos may exhibit a whistle noise coming from the front center of the vehicle and/or the climate control housing. This may be due to the sealing on the climate control case. To correct the condition, follow the Service Procedure to apply butyl tape to cover small holes in the fresh air inlet door.
Action: Follow the Service Procedure to correct the condition on vehicles that meet all of the following criteria:
- 2021 Bronco
- Whistle noise coming from the front center of the vehicle and/or the climate control housing
Parts
Service Part Number | Quantity | Description |
Obtain Locally | As Needed | Butyl Tape, 3M® 08612 Windo Weld Round Ribbon Sealer Or Equivalent |
As Needed indicates the amount of the part may vary and/or is not a whole number. Parts can be billed out as non-whole numbers, including less than 1.
Service Procedure
1. Open a front side window and cycle the heating, ventilation, and air conditioning (HVAC) control module recirculation mode to the ON and OFF setting while driving above 40 mph (64 km/h).
2. Is a whistle noise heard with the HVAC control module recirculation setting in the ON position?
(1). Yes – proceed to Step 3.
(2). No – this article does not apply. Refer to Workshop Manual (WSM), Section 412-00.
3. Turn off the HVAC control module recirculation mode.
4. Remove the cowl panel grille. Refer to WSM, Section 501-02 Front End Body Parts > Removal and Installation > Cowl Panel Grille.
5. Apply butyl tape over the 2 small holes on the top and bottom section of the fresh air inlet door of the climate control housing. (Figure 1)
NOTE: This may be a blind operation and the fresh air inlet door needs to be in fresh air mode so it remains out of the way.
Figure 1
6. Inspect the area the butyl tape was installed for correct location. Apply more tape if required.
7. Reinstall the cowl panel grille. Refer to WSM, Section 501-02 Front End Body Parts > Removal and Installation > Cowl Panel Grille.
1 Affected Product
Vehicle
MAKE | MODEL | YEAR |
FORD | BRONCO | 2021 |
1 Associated Document
Manufacturer Communications
22-2018
27 January 2022
https://www.nhtsa.gov/recalls?nhtsaId=10206872
MC-10206872-0001.pdf 121.164KB
NHTSA ID Number: 10202709
Manufacturer Communication Number: TSB 21-2352
Summary
Some 2021 Bronco built on or before 24-Aug-2021 may exhibit a whistle noise coming from the front center of the vehicle and/or the climate control housing. This may be due to the sealing on the climate control case. To correct the condition, follow the Service Procedure to apply butyl tape to cover small holes in the fresh air inlet door.
1 Associated Document
Manufacturer Communications
21-2352
13 October 2021
https://www.nhtsa.gov/recalls?nhtsaId=10202709
MC-10202709-0001.pdf 108.305KB
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- RELIABLE RV WINDOW SEALANT. It is made of a synthetic EDPM rubber material resistant to water, chemicals, and extreme temperatures, making it a reliable choice for sealing joints and seams.
- COMPATIBLE WITH VARIOUS SURFACES. Butyl seal tape is easy to use, as it can be applied by hand and adheres to various surfaces, including metal, wood, concrete, and plastic.
- WATERTIGHT PLUMBERS PUTTY TAPE. This type of seal tape offers excellent adhesion and creates a watertight seal that helps prevent leaks and drafts.
- FOR EVERYDAY SOLUTIONS. Butyl seal tape is available in different thicknesses and widths to accommodate various sealing needs, making it a versatile and cost-effective solution for many applications.
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- Rv Butyl Tape Materials: The butyl sealant tape made of premium butyl rubber & tenacious adhesive, the long-lasting performance of butyl rope is guaranteed. camper butyl tape is a waterproof vacuum sealing tape that delivers airtight and weatherproof repairs for automobile and rv repairs, window glazing, and roof seaming. it doesn’t harden or crack even in freezing weather. it will not melt, soften or ooze out even in sweltering and humid weather conditions
- Rubber Headlight Butyl Glazing Tapes Features: camper putty tape is waterproof and sound deadening. it can perfectly reduce the noise and wind when you drive. no more noise and leaking. This butyl tape installs without gaps and can reliably shut off moisture, vapor and other leakages. leak repair tape adheres well even on tight corners and to both smooth and textured surfaces
- Long Shelf Life And Easy To Install: Unlike most putty tapes, the butyl tape has a long shelf life. butyl foam tape resists melting into a gooey slob during transportation or storage, thanks to rv sealant tape works from very low temperatures -40°f to very high temperatures 200°f. it is recommended to chill the butyl tape in a fridge or freezer 6 hours before use. butyl putty sealants is removable and easy to clean up even years after its installation
- Application: butyl rubber tape widely used for window & door waterproof reinforcement, windshield, RV, retrofit, pipe, joint sealing, mobile home, glass, EPDM roof or galvanized metal roofing patching for indoor and outdoor. rv butyl tape works on plastic, glass, metal, etc. perfect butyl tape rv window seal! also, most commonly used butyl tape marine repair, house roof repair & plumbing
Last update on 2024-06-18 / Affiliate links / Images from Amazon Product Advertising API
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SEOCONTENT-START
Warranty Status: Eligible under provisions of New Vehicle Limited Warranty (NVLW)/Service Part Warranty (SPW)/Special Service Part (SSP)/Extended Service Plan (ESP) coverage. Limits/policies/prior approvals are not altered by a TSB. NVLW/SPW/SSP/ESP coverage limits are determined by the identified causal part and verified using the OASIS part coverage tool. Labor Times Description Operation No. Time 2021 Bronco: Diagnose And Install Tape Following The Service Procedure (Do Not Use With Any Other Labor Operations) 222018A 0.8 Hrs. Repair/Claim Coding Causal Part: 19B555 Condition Code: 68
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