1. Introducció
This manual provides essential information for the proper installation, operation, and maintenance of the Dorman 425-396 Steering Shaft. This component is designed as a direct replacement for the original equipment on specific vehicle applications, ensuring precise fit and reliable performance. Adherence to these instructions is crucial for safety and optimal function.

Figura 1.1: The Dorman 425-396 Steering Shaft. This image displays the complete steering shaft assembly, highlighting its robust construction and universal joints at both ends.
2. Característiques del producte
The Dorman 425-396 Steering Shaft incorporates several design elements to ensure durability and safety:
- Ajust precís: Engineered to directly replace the original shaft on specific vehicle years, makes, and models, ensuring compatibility and ease of installation.
- Seguretat provada: Each design meets rigorous regulatory standards to ensure driver safety, particularly in collision scenarios.
- Trustworthy Performance: Built to withstand thorough torsional, tensile, fatigue, and other durability testing for reliable and consistent operation.
- Resistent a la corrosió: Features salt spray testing and a premium coating to enhance longevity and resist environmental degradation.
- Precision Needle Bearings: Designed for smoother operation and reduced friction within the universal joints.
- Corrugated Design: Incorporates a corrugated section for enhanced driver safety during impacts.

Figura 2.1: Primer pla view of a universal joint on the Dorman steering shaft, showing the needle bearings for smooth articulation.
3. Compatibilitat del vehicle
This steering shaft is compatible with the following vehicle models. Always verify fitment using your vehicle's specific year, make, and model before installation.
- Ford Expedition: 2015, 2016, 2017
- Ford F-150: 2011, 2012, 2013, 2014
- Ford Lobo: 2011, 2012, 2013, 2014
- Lincoln Mark LT: 2010, 2011, 2012, 2013, 2014
4. Què hi ha a la caixa
El paquet inclou:
- 1 Dorman 425-396 Steering Shaft
Note: Mounting hardware (bolts) are typically reused from the original installation or purchased separately, as they are often considered one-time use components. Consult your vehicle's service manual for specific recommendations.
5. Instruccions d'instal·lació
WARNING: Installation of automotive steering components requires specialized tools and knowledge. Improper installation can lead to loss of steering control and serious injury. It is highly recommended that this component be installed by a qualified automotive technician.
El següent és un resum generalview. Always refer to your vehicle's specific service manual for detailed, step-by-step instructions and safety precautions.
- Preparació:
- Aparqueu el vehicle en una superfície plana i activeu el fre d'estacionament.
- Desconnecteu el terminal negatiu de la bateria.
- Ensure the steering wheel is locked in the straight-ahead position to prevent damage to the clock spring.
- Locate the steering shaft in the engine bay and under the dashboard.
- Removal of Old Steering Shaft:
- Loosen and remove the pinch bolts securing the upper and lower universal joints of the steering shaft.
- Carefully separate the shaft from the steering column and the steering gear. This may require gentle prying or tapping if the shaft is corroded.
- Remove the old steering shaft from the vehicle.
- Installation of New Steering Shaft:
- Align the new Dorman 425-396 Steering Shaft with the steering column and steering gear.
- Ensure the splines are correctly engaged at both ends.
- Insert and tighten the pinch bolts.
- Especificacions de parell:
- Upper pinch bolt: Refer to vehicle service manual (common values are around 35 ft-lbs).
- Lower pinch bolt: Refer to vehicle service manual (common values are around 22 ft-lbs).
Always consult your vehicle's specific repair manual for exact torque values.
- Post-instal·lació:
- Torneu a connectar el terminal negatiu de la bateria.
- Test the steering for proper function and feel.
- An alignment may not be necessary if the steering wheel was kept straight during the process, but it is recommended to check for proper steering wheel centering and alignment after any steering component replacement.
Vídeo 5.1: Dorman Steering Shafts Overview. This video highlights key features of Dorman steering shafts, such as corrosion resistance, precision needle bearings for smoother operation, and a corrugated design engineered for driver safety. (Note: The direct m3u8 video source was not provided in the product data. The image above serves as a poster.)
6. Manteniment
The Dorman 425-396 Steering Shaft is designed for long-term durability with minimal maintenance. However, periodic inspection is recommended:
- Inspecció visual: Annually inspect the steering shaft for signs of wear, corrosion, or damage, especially around the universal joints and the collapsible section.
- Lubricació: While the universal joints are typically sealed and pre-lubricated, if excessive noise or stiffness develops, consult a qualified technician for diagnosis. Do not attempt to lubricate sealed components unless specifically instructed by the manufacturer.
- Comprovació dels elements de fixació: Periodically check the tightness of the pinch bolts to ensure they remain at the specified torque.
7. Solució De Problemes
If you experience issues after installing the Dorman 425-396 Steering Shaft, consider the following common problems and solutions:
| Símptoma | Causa possible | Solució |
|---|---|---|
| Steering wheel off-center | Steering wheel not locked straight during installation; splines misaligned. | Re-align the steering shaft and steering wheel. An alignment may be required. |
| Loose steering feel, excessive play, or "clunking" noise | Loose pinch bolts; worn universal joints (unlikely for new part); issue with collapsible section. | Check and re-torque pinch bolts. If symptoms persist, inspect the shaft for defects or consult a technician. |
| Stiff steering or binding | Improper installation; shaft binding due to manufacturing defect or damage during installation. | Verify correct installation. If binding persists, the shaft may be defective and require replacement. |
| Corrosion on shaft | Exposure to harsh environmental conditions over time. | Regular inspection and cleaning. The shaft has a corrosion-resistant coating, but extreme conditions can still affect it. |
If troubleshooting steps do not resolve the issue, contact Dorman customer support or consult a certified automotive technician.
8. Especificacions
- Número de peça: 425-396
- Marca: Dorman
- Fabricant: Productes Dorman
- Pes de l'article: 2 lliures
- Dimensions del producte: 16.53 x 3.14 x 3.07 polzades
- Número de peça OEM: BL3Z3B676A
- Acabat exterior: Ready To Paint If Needed (Corrosion Resistant Coating)
9. Garantia i Suport
Dorman products are backed by a commitment to quality and durability. For specific warranty information, claims, or technical support, please refer to the official Dorman weblloc web o contacteu directament amb el seu departament d'atenció al client.
També podeu visitar el Botiga Dorman a Amazon per obtenir més informació sobre el producte i recursos.