| “This site contains affiliate links for which OEMDTC may be compensated” |
NHTSA ID Number: 10249787
Manufacturer Communication Number: TSB 24-2021
Summary
This article supersedes TSB 23-2213 to revise Figure 1, add 2024 vehicles and the part list. Some 2021-2024 Bronco vehicles may exhibit a whistle noise below the lower left windshield area at the bottom of the A-pillar. This may be due to a missed body sealer application at the factory.
This bulletin supersedes 23-2213. Reason for update: revise Figure 1, add 2024 vehicles and the part list
Model:
| Ford
2021-2024 Bronco |
Issue: Some 2021-2024 Bronco vehicles may exhibit a whistle noise below the lower left windshield area at the bottom of the A-pillar. This may be due to a missed body sealer application at the factory. To correct this condition, follow the Service Procedure to reseal the affected body seam.
Action: Follow the Service Procedure to correct the condition on vehicles that meet all of the following criteria:
- 2021-2024 Bronco
- Whistle noise from the lower left windshield area
Parts
| Service Part Number | Package Order Quantity | Description |
| Obtain Locally | As Needed | Butyl Tape, 3M™ 08612 Window Weld Round Ribbon Sealer Or Equivalent |
| Obtain Locally | As Needed | 3M™ 2 Inch Wide Masking Tape Or Equivalent |
Service Procedure
1. Tape off the left side of the cowl panel and drive the vehicle above 50 mph (80 km/h). Did taping off the cowl resolve the whistle noise? (Figure 1)
Figure 1
(1). Yes – proceed to Step 2.
(2). No – this article does not apply. Refer to Workshop Manual (WSM), Section 100-04.
2. Remove the left A-pillar trim. Refer to WSM, Section 501-05.
3. Visually inspect for a gap in the sheet metal at the bottom of the A-pillar where it joins the rear engine compartment wall. Is a gap present? (Figure 2)
Figure 2
(1). Yes – proceed to Step 4.
(2). No – this article does not apply.
4. Apply butyl to fill the gap between the two metal panels and eliminate the air entry.
5. To assemble, reverse the removal procedure.
4 Affected Products
Vehicle
| MAKE | MODEL | YEAR |
| FORD | BRONCO | 2021-2024 |
1 Associated Document
Manufacturer Communications
24-2021
23 January 2024
https://www.nhtsa.gov/recalls?nhtsaId=10249787
MC-10249787-0001.pdf 1436.748KB
Loading...
Reload document 
Open in new tab
NHTSA ID Number: 10239096
Manufacturer Communication Number: TSB 23-2213
Summary
Some 2021-2023 Bronco vehicles built on or before 31-May-2023 may exhibit a whistle noise below the lower left windshield area at the bottom of the A-pillar. This may be due to a missed body sealer application at the factory. To correct this condition, follow the Service Procedure to reseal the affected body seam.
1 Associated Document
Manufacturer Communications
23-2213
06 July 2023
https://www.nhtsa.gov/recalls?nhtsaId=10239096
MC-10239096-0001.pdf 509.862KB
Loading...
NHTSA ID Number: 10232486
Manufacturer Communication Number: TSB 23-2032
Summary
Some 2021-2022 Bronco vehicles may exhibit a whistle noise below the lower left windshield area at the bottom of the A-pillar. This may be due to a missed body sealer application at the factory. To correct this condition, follow the Service Procedure to reseal the affected body seam.
1 Associated Document
Manufacturer Communications
23-2032
02 February 2023
https://www.nhtsa.gov/recalls?nhtsaId=10232486
MC-10232486-0001.pdf 143.754KB
Loading...
NHTSA ID Number: 10218615
Manufacturer Communication Number: TSB 22-2306
Summary
Some 2022 Bronco vehicles may exhibit a whistle noise below the lower left windshield area at the bottom of the A-pillar. This may be due to a missed body sealer application at the factory. To correct this condition, follow the Service Procedure to reseal the affected body seam.
1 Associated Document
Manufacturer Communications
22-2306
01 August 2022
https://www.nhtsa.gov/recalls?nhtsaId=10218615
MC-10218615-0001.pdf 146.191KB
Loading...
- For professional use only – not for retail sale
- Fast curing and skins over quickly—can be painted 60 minutes after application
- Can be used for all sealing and adhesive applications with a standard caulking gun in both vertical and horizontal joints
- Flexible, non-staining, and non-sagging product that will not crack or shrink
![[2 Pack] Polyurethane Seam Sealer Automotive Compound Kit - Durable & Flexible Auto Body Filler - Seam & Joint Compound for Bare or Painted Surfaces - Automotive Seam Sealer White - RV Roof Sealant](https://m.media-amazon.com/images/I/413vOkWzIrL._SL160_.jpg)
- Plug Any Void –– Easily patch large cracks with confidence when using this thick auto seam sealer. This single-component panel bond compound provides superior adhesion on bare, primed, or painted metal surfaces on your vehicle or RV
- 2 Pack Value & Complete Kit - Comes with nitrile gloves and an application tip to make the process seamless This joint and seam filler set comes with everything you need and more. The sealant is compatible with any standard caulking gun
- Permanently Fill Gaps - Don't settle for a body panel adhesive sealant that doesn't hold up. Trust in a non-shrinking, non-cracking and low odor formula that stays remarkably flexible over time. Prevent leaks and debris from infiltrating your vehicle, and promote corrosion resistance
- Primer and Paint Ready - Get your project ready for the road in just 24 hours. Smooth out and let the quick-curing seam sealant settle in for 45 minutes. Then you're ready to prime and paint the automotive body filler for a flawless finish that blends right in
- All-Weather Performance - High heat and humidity are no match for this car sealant. Enhanced moisture curing properties ensure a durable hold for interior or exterior use. Use a urethane sealer that is worlds ahead of any solvent-based solutions
- Plug Any Void –– Easily patch large cracks with confidence when using this thick auto seam sealer. This single-component panel bond compound provides superior adhesion on bare, primed, or painted metal surfaces on your vehicle or RV
- Complete Kit –– Comes with nitrile gloves and an application tip to make the process seamless This joint and seam filler set comes with everything you need and more. The sealant is compatible with any standard caulking gun
- Permanently Fill Gaps –– Don't settle for a body panel adhesive sealant that doesn't hold up. Trust in a non-shrinking, non-cracking and low odor formula that stays remarkably flexible over time. Prevent leaks and debris from infiltrating your vehicle, and promote corrosion resistance
- Primer and Paint Ready –– Get your project ready for the road in just 24 hours. Smooth out and let the quick-curing seam sealant settle in for 45 minutes. Then you're ready to prime and paint the automotive body filler for a flawless finish that blends right in
- All-Weather Performance –– High heat and humidity are no match for this car sealant. Enhanced moisture curing properties ensure a durable hold for interior or exterior use. Use a urethane sealer that is worlds ahead of any solvent-based solutions
- SINGLE COMPONENT FORMULA: Adheres well to bare metal, primed metal and painted surfaces
- MOISTURE CURING PROPERTY: Provides excellent performance in high heat and humidity environments
- NON-SHRINKING, NON-CRACKING: Remains flexible and offers superior results to solvent-based sealers
- QUICK PAINTABILITY: Allows painting after 30-45 minutes
- THICK CONSISTENCY: Fills large voids and can be smoothed to a featheredge or brushed
- EASY APPLICATIONS: Brushable and paintable consistency
- HIGH ADHESION: Works on both bare metal and painted surfaces
- FAST SKINNING: Starts in about 10 to 15 minutes
- STAYS IN PLACE: Less likely to drip, sag or run out of gaps being sealed
- NON-STAINING: For all-purpose autobody joint and seam sealing
- Brushable Seam Sealer is fast drying and designed exclusively for automotive uses.
- This product remains flexible and will not crack, harden, sink or sag.
- Brushable Seam Sealer is easily applied with a brush and holds a perfect brush mark to match that O.E.M. seam.
- It provides excellent adhesion, seals cracks, crevices, body seams and is ideal for use on all lap and flange seams and joints.
- Brushable Seam Sealer is paintable in 30 to 60 minutes and comes in a light gray color.
- Vehicle Body Repair: Automotive Seam Sealer for all-purpose auto body gap filling,joint and seam sealing.Protect your vehicle from rust and corrosion with these automotive seam sealers.Ideal for car ,truck, boat, RVs.
- High Adhesive & Durable - designed this urethane sealer for a range of materials, including bare metal or painted surfaces.
- Don't Shrink and Crack - low odor single component formula auto seam sealer provides flexible,non-staining, and non-sagging.
- Easy to Use - Fast cure time.You can paint over the undercoating . For best results, allow 24 hours and scuff before painting.
- Water and Corrosion Proof - Use interior or exterior to prevent weather from eroding your car.Service Temperature -40 to 170 °F (-40 to 77 °C).High heat performance.
- Seals Cracks, Crevices And Body Seams, Plus Waterproofs And Insulates
- Flexible - Will Not Shrink, Harden Or Crack
- Seals Cracks, Crevices And Body Seams
- For Firewalls, Floor Pans, Trunk Seams, Fender Extensions, Taillight Openings
- Paintable In 30 Minutes
- 𝗦𝗲𝗮𝗺𝗹𝗲𝘀𝘀 𝗔𝗱𝗵𝗲𝘀𝗶𝗼𝗻 𝗳𝗼𝗿 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹𝘀: Achieve unmatched durability with Akfix P645, the perfect automotive seam sealer for experts. It provides a professional finish thanks to over-paintable and sandable features after full curing.
- 𝗘𝗻𝗱𝘂𝗿𝗶𝗻𝗴 𝗙𝗹𝗲𝘅𝗶𝗯𝗶𝗹𝗶𝘁𝘆: Trust in the permanently flexible bond of Akfix P645, designed for the dynamic demands of automotive restoration and construction.
- 𝗘𝗳𝗳𝗼𝗿𝘁𝗹𝗲𝘀𝘀 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻: With its non-sag and non-sticky formula, Akfix P645 ensures a clean application every time, without attracting dirt.
- 𝗨𝗻𝗿𝗶𝘃𝗮𝗹𝗲𝗱 𝗗𝘂𝗿𝗮𝗯𝗶𝗹𝗶𝘁𝘆: Especially designed for body construction of cars, containers, caravans and projects that require durability in the automotive and construction industry. Formulated to resist the effects of aging to better perform.
- 𝗥𝗲𝗮𝗱𝘆 𝗧𝗼 𝗨𝘀𝗲: Akfix P645 sealant is packaged in a user-friendly cartridge, compatible with electric, pneumatic, or manual application guns, facilitating precise and effortless adhesive paste placement.
- HIGH-PERFORMANCE: Two-part epoxy seals vertical and horizontal seams to match OEM seals
- METERED MIXING: Dual syringe cartridge eliminates the difficulty and mess of manual mixing
- NON-FLOWING: Heavy-bodied formula allows easy tooling for matching OEM seam sealer appearances
- QUICK CURE: Non-sag property aids during vertical applications
- SELF-MIXES: Makes a perfect formulation every time without mess
Last update on 2024-04-10 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.
SEOCONTENT-START
TECHNICAL SERVICE BULLETIN
Whistle Noise At Lower Left Windshield Area
24-2021
23 January
2024 This bulletin supersedes 23-2213. Reason for update: revise Figure 1, add 2024 vehicles and the part list
Model:
Ford
2021-2024 Bronco
Issue: Some 2021-2024 Bronco vehicles may exhibit a whistle noise below the lower left windshield area at the bottom of the A-pillar. This may be due to a missed body sealer application at the factory. To correct this condition, follow the Service Procedure to reseal the affected body seam.
Action: Follow the Service Procedure to correct the condition on vehicles that meet all of the following criteria:
• 2021-2024 Bronco
• Whistle noise from the lower left windshield area Parts
Service Part Number Quantity Description
Ontain Locally As Needed Butyl Tape, 3M™ 08612 Windo Weld Round Ribbon Sealer Or Equivalent Ontain Locally As Needed 3M™ 2 Inch Wide Masking Tape Or Equivalent
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 2021-2024 Bronco: Install Tape, Road Test (Pass) Inspect Gap And Apply Butyl Sealer If Necessary (Do Not Use With Any Other Labor Operations) Operation No.
242021A Time 1.2
Hrs.
Repair/Claim Coding
Causal Part: 5802012
Condition Code: 68
Service Procedure
1. Tape off the left side of the cowl panel and drive the vehicle above 50 mph (80 km/h). Did taping off the cowl resolve the whistle noise? (Figure 1)
Figure 1 (1). Yes – proceed to Step 2.
(2). No – this article does not apply. Refer to Workshop Manual (WSM), Section 100-04.
2. Remove the left A-pillar trim. Refer to WSM, Section 501-05.
3. Visually inspect for a gap in the sheet metal at the bottom of the A-pillar where it joins the rear engine compartment wall. Is a gap present? (Figure 2)
Figure 2 (1). Yes – proceed to Step 4.
(2). No – this article does not apply.
4. Apply butyl to fill the gap between the two metal panels and eliminate the air entry.
5. To assemble, reverse the removal procedure.
© 2024 Ford Motor Company 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 de this information with updates. The most recent information is available through Ford Motor Company’s on-line technical resources.
**************************************************************************************************************
**************************************************************************************************************
SEOCONTENT-END