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.
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
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
MC-10202709-0001.pdf 108.305KB
- TAPE USE: Ideal for sealing uniquely shaped joints; Installs quickly, without gaps; Because the sealant is on a continuous roll, it's easy to install with no skips or runs in the seal
- EASY APPLICATION: Sticks and conforms to any smooth or irregular surface, including S-locks; Apply along unusual patterns
- USE WITH COMPATIBLE PRODUCTS: Provides an instant and permanent seal underneath the caulk-and-frames system to provide a double barrier of leak protection
- STRONG CONNECTION: High-tack adhesive with flexible elastomers provides a strong, flexible bond
- SIZE: 1/8" x 3/4" x 30' roll
- VERSATILE BUTYL PUTTY TAPE. Butyl tape RV is a versatile sealing solution commonly used in construction, automotive, and marine applications.
- 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 sealant 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 RV sealant 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.
- Butyl Sealing Rope Purpose: Butyl rubber 13Ft/4M suitable for sealing car doors, windshield, waterproof film, hood, lights, body plate joints and other parts of the shock seal
- Headlight Sealant Easy To Use: Butyl sealant tape is chemically resistant and very flexible, it can be flattened or stretched as needed for easy installation. Please clean the installation area in advance befor use
- Butyl Rubber Sealant: Rubber Sealant is a non-drying,non-hardening synthetic rubber based butyl rubber sealant.Butyl rubber is high viscosity, elasticity and tightness
- Multi-functional Butyl Sealing Rope: Headlight sealant retrofit anti-leakage, anti-corrosion, anti-deformation, anti-vibration, anti-aging, chemical corrosion resistance, very flexible, can be flattened or stretched, easy to install
- 🛺Widely Applications: Butyl sealant tape for all types of vehicles (cars, RVs, boats) and houses (windows, screen doors, skylights, vents), designed for waterproofing, shock absorption and noise isolation, perfect for taillights and headlights sealants
- Butyl Caulking Tape Bulk: you will get 4 rolls with 30 feet per roll, for a total length of 120 Feet of butyl putty rope. white butyl seal tape with perfect dimensions at 3/4’’ wide and 1/8" thick. premium butyl sealant tape with a plastic gift knife is ideal for your beloved vehicles as your headlight or taillight sealant, windshield sealant,door seal strip and etc
- 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
- AIRTIGHT SEALING. 100% Waterproof black butyl tape provides durable, watertight sealing to RV, windshields, joint sealing, and EPDM metal roofing and patching. Withstands extreme temperatures and corrosive elements.
- MADE TO LAST. Withstanding up to 290°F, our RV butyl seal tape lasts up to 5 years with top-notch sealing performance but still REMOVES CLEANLY, making this butyl rope durable but removable.
- EASY-TO-MOLD. Our butyl window sealant conforms well to uneven, irregular shapes and tight spaces, making it versatile for putty seal tape applications on wood, glass, metal, and plastic.
- MESS-FREE. Thanks to its patented butyl rubber sealant polymer formulation, our putty seal tape doesn’t melt into a messy goo, so it stays manageable on your hands, allowing for a PROFESSIONAL FINISH.
- ZERO GAPS. Our butyl rubber tape is packed continuously without gaps and securely fitted in a durable box, preventing deformations. Our RV window butyl tape installs cleanly without snags, skips, or runs.
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
**************************************************************************************************************
SEOCONTENT-END
This product presentation was made with AAWP plugin.