NHTSA ID Number: 10202706
Manufacturer Communication Number: TSB 21-2345
Summary
Some 2021 Bronco vehicles equipped with the Big Bend or Outer Banks trim levels built on or before 06-Aug-2021 may exhibit a whistle noise originating from the front of the hood area when traveling at speeds above 30 mph (50 km/h). If the whistle noise can be eliminated by taping off the gap between the hood and grille opening, this condition may be due to the hood seal design. To correct this condition, replace the hood seal with the improved hood seal.
Model:
2021 Bronco
Issue: Some 2021 Bronco vehicles equipped with the Big Bend or Outer Banks trim levels built on or before 06-Aug-2021 may exhibit a whistle noise originating from the front of the hood area when traveling at speeds above 30 mph (50 km/h). If the whistle noise can be eliminated by taping off the gap between the hood and grille opening, this condition may be due to the hood seal design. To correct this condition, replace the hood seal with the improved hood seal.
Action: Follow the Service Procedure to correct the condition on vehicles that meet all of the following criteria:
- 2021 Bronco
- Big Bend or Outer Banks trim level
- Built on or before 06-Aug-2021
- Whistle noise originating from the front of the vehicle between the hood and grille opening
Parts
| Service Part Number | Quantity | Description |
| M2DZ-16B990-B | 1 | Front Hood Seal |
Service Procedure
1. Replace the existing hood seal with the improved hood seal.
1 Affected Product
Vehicle
| MAKE | MODEL | YEAR |
| FORD | BRONCO | 2021 |
1 Associated Document
Manufacturer Communications
21-2345
08 October 2021
NHTSA ID Number: 10199513
Manufacturer Communication Number: SSM 49979
Summary
Some 2021 Bronco vehicles equipped with Big Bend and Outer Bank trim levels may exhibit a whistle noise originating from the front of the hood area when traveling at speeds above 30 mph (50 Km/h). If the whistle noise can be eliminated by taping off the gap between the hood and grill opening, this condition may be due to the hood seal design. Hood seal replacement will not resolve this condition. Inform customers that they can continue to drive the vehicle and Ford
is currently working to release an improved seal design that will be available in October 2021. Follow up with the customer to schedule an appointment once OASIS confirms part availability.
APPLICABLE VEHICLES
2021 TRUCK: G1 U725N BRONCO
2021 TRUCK: G1 U725N BRONCO
1 Associated Document
Manufacturer Communications
SSM 49979 – 2021 Bronco – Big Bend And Outer Banks – Whistle From Front Hood Area
- Brand New Rubber Weatherstrip Hood To Cowl Seal
- Compatible With 1987-1996 Ford Bronco
- Compatible With 1987-1996 Ford F100 or F150
- Compatible With 1987-1997 Ford F250 or F350
- Replaces E7TZ1502824A, E7TZ-1502824-A
- One (1) fifty-four and one-half (54-1/2") inch long weatherstrip provides complete coverage
- Comes with mounting clips installed
- Extra retainers are included for 1968-1972 Trucks
- Start installation of the part on the driver side for 1973-1976 Trucks and trim excess length
- For 1968-1969 Ford F100-750 model trucks replaces C8TZ-16740-A
- Replaces OEM E7TZ1502824A
- 1A Auto Lifetime Warranty
- Reference Number(s): E5TZ1502824A
- Premium Rubber: Crafted from rubber, car hood sealing strip owns outstanding bend resilience and anti-extrusion property. It resists aging under high heat and cold weather, maintaining stable sealing performance after long years of exposure to engine compartment fluctuating temperature and outdoor climate change
- Sound Dampening Effect: Reduce under-hood noise entering the cabin. This car weather strip absorbs high-frequency vibrations from the hood panel, quieting engine roar, wind rush, and road noise. The closed-cell rubber structure acts as a noise barrier, making highway drives noticeably calmer
- All-Round Gap Block Protection: High-elastic fitting design of this car weather strip closely fits uneven hood clearance to block rain splash, floating dust and gravel from invading engine room. It avoids dirt accumulation on motor accessories and cuts the risk of component rusting caused by damp muddy infiltration
- Strong Adhesive Backing: High-viscosity glued base of this durable car weather stripping adheres firmly onto clean metal hood surfaces and never falls off during bumpy driving. When replacement, peeling away the strip leaves no sticky leftover on car paint to protect original exterior seamlessly
- DIY Cut-to-Fit Mounting: The 13.12ft long car rubber strip supports arbitrary tailoring to match different vehicle hood sizes, no professional cutting needed. Just peel off the backing and press tightly along gap edge to finish installation in minutes for convenient household DIY car maintenance
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 Big Bend/Outer Banks: Replace The Hood Seal (Do Not Use With Any Other Labor Operations) 212345A 0.3 Hrs. Repair/Claim Coding Causal Part: 16B990 Condition Code: 42
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SEOCONTENT-END
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