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NHTSA ID Number: 10233577
Manufacturer Communication Number: TSB 22-2406
Summary
Some 2021-2023 Explorer Timberline vehicles may exhibit differential fluid venting from the differential fluid vent. The customer may notice differential fluid pooling below the vehicle or saturating the wheel well liner. This may be due to the differential vent tube not having enough positive incline. To correct the condition, follow the Service Procedure to replace the differential vent tube.
Model:
| Ford
2021-2023 Explorer |
Timberline |
Issue: Some 2021-2023 Explorer Timberline vehicles may exhibit differential fluid venting from the differential fluid vent. The customer may notice differential fluid pooling below the vehicle, or saturating the wheel well liner. This may be due to the differential vent tube not having enough positive incline. To correct the condition, follow the Service Procedure to replace the differential vent tube.
Action: Follow the Service Procedure to correct the condition on vehicles that meet the following criteria:
- 2021-2023 Explorer Timberline
- Differential fluid venting from the rear axle vent tube
Parts
| Service Part Number | Quantity | Description |
| N1MZ-4A058-A | 1 | Rear Axle Vent Hose Assembly |
XL-3  |
As Needed | Motorcraft® Friction Modifier Additive |
| XY-75W85-QL |
As Needed | Motorcraft® SAE 75W-85 Premium Synthetic Hypoid Gear Lubricant |
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. Remove and discard the differential vent tube. Refer to Workshop Manual (WSM), Section 205-02.
2. Install the new differential vent tube. Make sure that the vent tube is routed correctly and maintains a positive slope on the curvature near the differential. (Figures 1-3)
NOTE: It may be beneficial to use a borescope
to view the differential vent tube mounting and make sure the vent tube is fully seated and is sloping upward.
Figure 1
Figure 2
Figure 3
3. Drain the differential. Refer to WSM, Section 205-02.
4. Add 85-100 ml of Motorcraft® Friction Modifier Additive to the differential.
5. Refill the differential. Refer to WSM, Section 205-02.
3 Affected Products
Vehicle
| MAKE | MODEL | YEAR |
| FORD | EXPLORER | 2021-2023 |
1 Associated Document
Manufacturer Communications
22-2406
28 March 2023
https://www.nhtsa.gov/recalls?nhtsaId=10233577
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- Compatible with/in many late model BMW, Dodge, Ford, GM, Jeep, Lexus, Mercedes-Benz, Ram, Toyota
- Applications include differential oil, final drive oil, gear oil and transfer case fluid
- Contains additional friction modifiers for suitability with clutch-type limited slip differentials - for most LSDs, no additional friction modifiers are required
- This product is not designed for use in most manual transmissions or transaxles with synchronizers, as extreme slipperiness may cause shifting problems
- Known formerly as LightWeight Gear Oil
- Two quarts of SAE 75W-85 Synthetic Axle Lubricant.
- Item Package Dimension: 10.39L x 4.45W x 2.72H inches
- Item Package Weight - 1.96 Pounds
- Item Package Quantity - 1
- Product Type - MACHINE LUBRICANT
- Motorcraft Rear Axle Oil - XY75W85QL
- Works in tight spaces and makes gear oil easier to use
- Full Synthetic formula for exceptional high and low temperature protection
- Contains an extreme pressure additive for better load carrying capacity and wear protection
- Excellent thermal stability designed to protect oil from high temperature breakdown
- Mobil 1 Synthetic Gear Lube LS is a supreme performance, synthetic, multipurpose, automotive gear lubricant
- Meet or exceed the highest level of performance requirements of many modern passenger vehicles – including limited slip applications
- Helps protect against thermal and oxidative degradation, wear and corrosion, and viscosity loss associated with premature shearing
- Promotes outstanding power transfer performance - even in some of the most severe driving conditions
- Sold as 6 pack
- genuine oem factory part
- exact fit
- durable
- best in quality
- this is not an aftermarket part
- Full synthetic formulation with no compromises; Equal or better performance than OEM fluids; Wide Compatibility Range Across Many European, Asian and Us OEMs
- Exceptionally smooth gear operation and frictional stability and gear functionality; Designed to prevent shudder, sticking, and slipping
- Protects brass, copper, and aluminum alloys; Excellent wear protection even in severe service conditions; Excellent gear protection in high horsepower / high speed conditions and sustained mechanical / thermal loads; High Load Capacity for Excellent Off-Road Performance and Significant Wear Reduction
- Excellent Heat Transfer and Low Operational Temperature; Excellent Cold Temperature Performance Down to -50°F; LIFETIME FILL Once Changed Unless OEM Recommends Drain Interval
- superior oxidation resistance
- promotes a longer seal life
- for use: rear axle 2014 silverado and sierra
- quantity: 1 quart
- Fit type: Vehicle Specific
- Specially recommended for ZF limited slip differentials with carbon linings
- High quality full synthetic SAE 75W-85 final drive lubricant
- High viscosity lubricant to better protect axle’s moving components
- Fit Type: Vehicle Specific
- Package Dimensions: 31.75 H x 15.24 L x 15.24 W (centimeters)
- Country of Origin : United States
- Package Weight: 3.447 kilograms
Last update on 2024-04-09 / Affiliate links / Images from Amazon Product Advertising API
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TECHNICAL SERVICE BULLETIN Timberline – Differential Fluid Venting From The Rear Axle 22-2406 28 March 2023 Model: Ford 2021-2023 Explorer Timberline Issue: Some 2021-2023 Explorer Timberline vehicles may exhibit differential fluid venting from the differential fluid vent. The customer may notice differential fluid pooling below the vehicle, or saturating the wheel well liner. This may be due to the differential vent tube not having enough positive incline. To correct the condition, follow the Service Procedure to replace the differential vent tube. Action: Follow the Service Procedure to correct the condition on vehicles that meet the following criteria: • 2021-2023 Explorer Timberline • Differential fluid venting from the rear axle vent tube Parts Service Part Number Quantity Description N1MZ-4A058-A 1 Rear Axle Vent Hose Assembly XL-3 As Needed Motorcraft® Friction Modifier Additive XY-75W85-QL As Needed Motorcraft® SAE 75W-85 Premium Synthetic Hypoid Gear Lubricant 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. 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 2021-2023 Explorer: Replace The Differential Vent Tube Includes Time To Drain And Refill The Differential (Do Not Use With Any Other Labor Operations) Operation No. 222406A Time 0.5 Hrs. Repair/Claim Coding Causal Part: 4001 Condition Code: 55 Service Procedure 1. Remove and discard the differential vent tube. Refer to Workshop Manual (WSM), Section 205-02. 2. Install the new differential vent tube. Make sure that the vent tube is routed correctly and maintains a positive slope on the curvature near the differential. (Figures 1-3) NOTE: It may be beneficial to use a borescope to view the differential vent tube mounting and make sure the vent tube is fully seated and is sloping upward. Figure 1 Figure 2 Figure 3 3. Drain the differential. Refer to WSM, Section 205-02. 4. Add 85-100 ml of Motorcraft® Friction Modifier Additive to the differential. 5. Refill the differential. Refer to WSM, Section 205-02. © 2023 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.
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