Dorman 905-539
Manual d'instruccions del muntatge del diferencial posterior inferior Dorman 905-539
Model: 905-539
Introducció
The Dorman 905-539 Rear Lower Rearward Differential Mount is a precision-engineered component designed to provide a reliable replacement for the original equipment differential mount in select Honda vehicles. This manual provides essential information for the proper installation, maintenance, and troubleshooting of this product.
This part is compatible with the following vehicles:
- Honda CR-V: 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
- Honda Element: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
Always verify fitment for your specific vehicle trim using appropriate tools or resources before installation.

Figure 1: Dorman 905-539 Rear Lower Rearward Differential Mount, showing its overall structure and mounting points.
Informació de seguretat
Always prioritize safety when working on vehicles. Improper installation or handling can lead to serious injury or damage to the vehicle.
- Utilitzeu l'equip de protecció individual (EPI) adequat, incloent-hi ulleres i guants de seguretat.
- Assegureu-vos que el vehicle estigui ben recolzat sobre suports de gat o un elevador abans de començar qualsevol treball. No confieu mai només en un gat.
- Disconnect the vehicle's battery before performing electrical work, if applicable (not directly relevant for this part, but good general practice).
- Consulteu el manual de servei del fabricant del vehicle per obtenir les especificacions i els procediments de parell d'apriete específics.
- Mantenir la zona de treball neta i ben il·luminada.
- Advertència de la proposta 65: Aquest producte pot contenir productes químics coneguts a l’Estat de Califòrnia per causar càncer i defectes congènits o altres danys reproductius.
Producte acabatview
The Dorman 905-539 differential mount is designed to secure the rear differential to the vehicle's chassis, absorbing vibrations and ensuring proper alignment of drivetrain components. It is constructed from durable materials to withstand the stresses of vehicle operation.
Característiques principals:
- Substitució directa: Engineered to fit and perform like the original equipment.
- Reliable Fit: Precision-engineered to match the design and dimensions of original components.
- Construcció duradora: Manufactured to strict standards using sturdy, safe materials for longevity.
- Rigorosament provat: Undergoes thorough quality control measures to ensure performance and durability.
Instruccions d'instal·lació
Installation of the differential mount requires mechanical aptitude and appropriate tools. If you are unsure about any step, consult a qualified automotive technician.
Eines i materials necessaris:
- Joc de claus/sockets
- Clau dinamométrica
- Vehicle Lift or Jack Stands
- Penetrating Oil (optional)
- Wire Brush (optional)
Procediment:
- Preparar el vehicle: Safely lift and support the vehicle on a level surface. Ensure the rear differential is accessible.
- Locate the Old Mount: Identify the existing rear lower rearward differential mount. It will typically be bolted to the differential housing and the vehicle's subframe.
- Support the Differential: Use a transmission jack or suitable support to slightly relieve pressure on the differential mount. This will prevent the differential from dropping once the old mount is removed.
- Elimina el muntatge antic: Carefully unbolt the old differential mount from both the differential and the subframe. Note the orientation of the old mount for correct installation of the new part.

Figura 2: A baix view of the Dorman 905-539 Differential Mount, highlighting the lower mounting points.

Figura 3: superior view of the Dorman 905-539 Differential Mount, showing the upper mounting points and overall design.
- Superfícies de muntatge netes: Inspect and clean any rust or debris from the mounting surfaces on both the differential and the subframe.
- Instal·leu un muntatge nou: Position the new Dorman 905-539 differential mount in place. Align the bolt holes and hand-tighten the bolts.
- Perns de parell: Refer to your vehicle's service manual for the correct torque specifications for the differential mount bolts. Tighten all bolts to the specified torque. Do not overtighten.
- Comprovació final: Double-check all connections to ensure they are secure. Remove the differential support and safely lower the vehicle.
Consideracions de funcionament
Once installed, the differential mount functions passively to support the differential and dampen vibrations. There are no operational controls for this component.
After installation, it is recommended to drive the vehicle for a short period and listen for any unusual noises or vibrations. A properly installed differential mount should contribute to a smoother and quieter drivetrain operation.
Manteniment
The Dorman 905-539 differential mount is designed for long-term durability. Regular inspection is recommended as part of routine vehicle maintenance.
- Inspecció visual: Periodically inspect the differential mount for signs of wear, cracking, tearing of the rubber, or corrosion on the metal components.
- Check for Looseness: Ensure all mounting bolts remain tight. If any looseness is detected, re-torque to vehicle manufacturer specifications.
- Address Fluid Leaks: If you notice any fluid leaks from the differential itself, address them promptly, as leaking fluids can degrade rubber components over time.
Resolució de problemes
If you experience issues after installing the differential mount, consider the following common problems and solutions:
| Símptoma | Causa possible | Solució |
|---|---|---|
| New knocking or clunking noise from the rear. |
|
|
| Vibration felt through the vehicle. |
|
|
If troubleshooting steps do not resolve the issue, it is recommended to consult a certified mechanic.
Especificacions
| Atribut | Detall |
|---|---|
| Marca | Dorman |
| Número de model | 905-539 |
| Tipus de muntatge | Muntatge posterior |
| Pes de l'article | 0.77 lliures (aproximadament 12.3 unces) |
| Dimensions del producte (L x A x A) | 5.8 x 5.6 x 4.3 polzades |
| Números de peça OEM | 1042079; EM5871; 50721S5C013 |
| Acabat exterior | Mecanitzat |
| País d'origen | Índia |
Garantia i Suport
For information regarding product warranty, returns, or technical support, please refer to the official Dorman website or contact Dorman customer service directly. Keep your purchase receipt as proof of purchase.
Informació de contacte de Dorman:
- Weblloc: www.dormanproducts.com
- Consulteu el website for current contact numbers and support options.
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