1. Introduzione
This manual provides comprehensive instructions for the installation, operation, and maintenance of the Dorman 951-112 Rear Wheel Bearing and Hub Assembly. This assembly is designed to offer a complete repair solution for specific vehicle applications, including Ram ProMaster 1500, 2500, and 3500 models from 2014 to 2022. The Dorman 951-112 includes the wheel hub and critical bearing components, simplifying the replacement process.
For optimal performance and safety, it is crucial to follow all instructions carefully. Always verify compatibility with your specific vehicle model and year before proceeding with installation.
2. Informazioni sulla sicurezza
WARNING: Improper installation or maintenance can lead to serious injury or vehicle damage.
- Always wear appropriate personal protective equipment (PPE), including safety glasses and gloves, when working on your vehicle.
- Prima di iniziare qualsiasi lavoro, assicurarsi che il veicolo sia saldamente appoggiato su cavalletti e posizionato su una superficie piana. Non affidarsi mai esclusivamente al cric.
- Scollegare la batteria del veicolo prima di eseguire qualsiasi intervento elettrico.
- Utilizzare gli strumenti corretti per ogni fase e assicurarsi che siano in buone condizioni di funzionamento.
- Refer to your vehicle's service manual for specific torque specifications and additional procedures.
- In caso di dubbi su un passaggio, consultare un tecnico automobilistico qualificato.
3. Cosa c'è nella scatola
The Dorman 951-112 Rear Wheel Bearing and Hub Assembly package includes:
- 1 x Wheel Hub Assembly
4. Specifiche del prodotto
| Attributo | Valore |
|---|---|
| Marca | Dorman |
| Materiale | Acciaio legato |
| Dimensioni articolo (L x P x A) | 7.48 x 6.89 x 6.29 pollici |
| Peso dell'articolo | 9.47 libbre |
| Specifica Met | Application-specific Requirements Met |
| Tipo di cuscinetto | Cono |
| Lubrificante compatibile | Grasso |
| Codice UPC | 194883509979 |
| Numero modello articolo | 951-112 |
| Numero di parte OEM | 68094829AA |
5. Guida all'installazione
The Dorman 951-112 Rear Wheel Bearing and Hub Assembly is designed for a complete and straightforward replacement, eliminating the need for specialized tools like a shop press to remove and install individual bearings. This integrated design saves time and reduces the risk of damaging components during installation.
5.1. Preparazione
- Assicurarsi che il veicolo sia parcheggiato su una superficie piana e che il freno di stazionamento sia inserito.
- Allentare i dadi della ruota da sottoporre a manutenzione.
- Sollevare il veicolo in sicurezza utilizzando un cric e fissarlo con i cavalletti.
- Rimuovere il gruppo ruota e pneumatico.
- Locate the rear wheel bearing and hub assembly.
5.2. Removal of Old Assembly
- Rimuovere la pinza e il disco del freno. Sostenere la pinza per evitare di danneggiare il tubo del freno.
- Disconnect any sensors (e.g., ABS sensor) attached to the hub assembly.
- Remove the bolts securing the old wheel bearing and hub assembly to the vehicle's suspension.
- Carefully remove the old assembly.
5.3. Installation of New Dorman 951-112 Assembly
The Dorman 951-112 is a complete unit, ready for direct installation.
Image: Dorman 951-112 Rear Wheel Bearing and Hub Assembly. This image shows the complete assembly, ready for installation.
- Position the new Dorman 951-112 assembly onto the vehicle's mounting points.
- Secure the assembly with the appropriate bolts. Refer to your vehicle's service manual for correct torque specifications.
- Reconnect any sensors that were disconnected, ensuring proper routing and secure connections.
- Reinstall the brake rotor and caliper. Torque caliper bolts to manufacturer specifications.
Image: Close-up of Dorman 951-112 Hub Assembly. This view highlights the integrated bearing and hub design.
5.4. Verifiche finali
- Reinstall the wheel and tire assembly. Tighten lug nuts by hand.
- Abbassare il veicolo a terra.
- Torque the lug nuts to the vehicle manufacturer's specifications using a torque wrench.
- Pump the brake pedal several times to ensure proper brake caliper engagement before driving.
- Test drive the vehicle in a safe area to confirm proper function and absence of unusual noises or vibrations.
5.5. Informational Video: The Fastest Way to Replace a Wheel Bearing with Dorman Products
Video: This Dorman Products video demonstrates the efficiency of replacing a wheel bearing using a complete loaded knuckle assembly, highlighting how it avoids the complex and time-consuming process of pressing out old bearings and pressing in new ones. It showcases the direct bolt-on advantage for DIYers and professionals.
5.6. Informational Video: Save time, money and effort with Dorman loaded knuckles
Video: This Dorman Products video explains the benefits of using loaded knuckles and spindles, emphasizing how they save time and effort for both commercial shops and DIY enthusiasts by providing a complete, ready-to-install solution that bypasses the need for specialized pressing tools and reduces vehicle downtime.
6. Considerazioni operative
Once properly installed, the Dorman 951-112 Rear Wheel Bearing and Hub Assembly operates as an integral part of your vehicle's suspension and drivetrain. Proper installation ensures smooth wheel rotation, accurate alignment, and effective braking. No specific operational adjustments are typically required after correct installation.
7. Manutenzione
Regular inspection of your vehicle's suspension components, including the wheel bearing and hub assemblies, is recommended as part of routine vehicle maintenance. Look for:
- Unusual noises (grinding, humming, growling) from the wheel area.
- Excessive play or looseness in the wheel when checked with the vehicle lifted.
- Usura irregolare degli pneumatici.
- Vibrazioni percepite attraverso il volante o il pianale.
While the Dorman 951-112 is a sealed unit and does not require lubrication, ensuring surrounding components (like brake pads and rotors) are in good condition will contribute to the longevity of the hub assembly.
8. Risoluzione Dei Problemi
If you experience issues after installing the Dorman 951-112, consider the following:
- Rumore o vibrazione: Recheck all mounting bolts for proper torque. Ensure brake components are correctly installed and not dragging. Verify that the lug nuts are tightened to specification.
- ABS/Traction Control Light: Confirm that the ABS sensor (if applicable) is correctly connected and not damaged. The Dorman 951-112 is designed to integrate with the vehicle's ABS system.
- Wheel Looseness: This indicates a critical issue. Immediately re-check all fasteners and ensure the assembly is correctly seated. Do not drive the vehicle if there is any detectable wheel looseness.
If problems persist, it is recommended to have the vehicle inspected by a professional technician.
9. Garanzia e supporto
For warranty information or technical support regarding your Dorman 951-112 Rear Wheel Bearing and Hub Assembly, please refer to the official Dorman Products website or contact their customer service department. Keep your purchase receipt and product information handy when seeking support.
You can visit the Dorman Store for more information: Dorman Products Store
