Product Overview
The Dorman 630-317 Rear Driver Side Drive Axle Shaft is a direct replacement component designed for specific Jeep models. This assembly includes the axle shaft itself, along with necessary installation hardware such as wheel studs, wheel nuts, bearings, and seals. It is engineered to meet rigorous standards and ensure reliable performance.
Compatible Vehicles:
- Jeep CJ5: 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983
- Jeep CJ7: 1976, 1977, 1978, 1979, 1980, 1981
- Jeep Scrambler: 1981
Image: The Dorman 630-317 Rear Driver Side Drive Axle Shaft, shown with its complete set of installation components including bearings, seals, nuts, and studs. The main axle shaft is visible at the top, with the various smaller parts arranged below it.
What's Included
The Dorman 630-317 kit typically includes the following components:
- Axle Shaft
- Wheel Studs
- Wheel Nuts
- Bearing
- Seal
Note: Always verify the contents of your package against the product listing to ensure all necessary parts are present before beginning installation.
Setup and Installation
Installation of a rear axle shaft requires specialized tools and mechanical knowledge. It is highly recommended that this procedure be performed by a qualified automotive technician. The following steps provide a general overview and are not a substitute for a detailed service manual or professional guidance.
- Vehicle Preparation: Safely lift and support the vehicle on jack stands. Ensure the parking brake is engaged and the transmission is in park (automatic) or gear (manual). Remove the rear wheels.
- Drain Differential Fluid: Place a drain pan under the differential and remove the differential cover bolts to drain the fluid.
- Remove Differential Components: Remove the differential cover. Locate and remove the differential pin retaining bolt, then slide out the differential pin. Push the axle shaft inward to expose the C-clip, then remove the C-clip.
- Axle Shaft Removal: Carefully slide the old axle shaft out of the axle housing. Be prepared for any remaining fluid to drain.
- Bearing and Seal Replacement: If replacing the bearing and seal, use appropriate tools to remove the old components from the axle housing. Install the new bearing and seal, ensuring they are seated correctly and not damaged during installation.
- New Axle Shaft Installation: Carefully slide the new Dorman 630-317 axle shaft into the axle housing, ensuring the splines align with the differential. Push the axle shaft inward to allow for reinstallation of the C-clip.
- Reassemble Differential: Reinstall the C-clip, pull the axle shaft outward to seat the C-clip, then reinstall the differential pin and its retaining bolt.
- Differential Cover and Fluid: Clean the differential cover and housing mating surfaces. Apply a new gasket or RTV sealant to the differential cover and reinstall it with new bolts, torquing to manufacturer specifications. Refill the differential with the correct type and amount of gear oil.
- Final Steps: Reinstall the rear wheels and lower the vehicle. Check for leaks and test drive the vehicle to ensure proper operation.
Always refer to your vehicle's specific service manual for detailed torque specifications and procedures.
Operating Considerations
Once installed, the Dorman 630-317 axle shaft operates as an integral part of your vehicle's drivetrain. Proper installation ensures optimal performance and longevity. No specific operational procedures are required beyond normal vehicle use.
Post-Installation Check:
- Listen for unusual noises (e.g., grinding, humming) from the rear axle area.
- Check for any fluid leaks around the differential cover or axle seals.
- Ensure the vehicle tracks straight and there are no vibrations during driving.
Maintenance
The Dorman 630-317 axle shaft itself is a durable component designed for long service life and typically requires no direct maintenance. However, regular maintenance of the surrounding drivetrain components is crucial for its longevity:
- Differential Fluid: Regularly check and change the differential fluid according to your vehicle manufacturer's recommendations. This ensures proper lubrication of the differential gears and axle bearings.
- Axle Seals: Periodically inspect axle seals for signs of leakage. Leaking seals can lead to fluid loss, which can damage bearings and gears.
- Bearings: Listen for any unusual noises (e.g., humming, grinding) from the rear wheels, which could indicate worn axle bearings. Address these issues promptly to prevent further damage.
Troubleshooting
If you experience issues after installing the Dorman 630-317 axle shaft, consider the following common problems and their potential solutions:
| Symptom | Possible Cause | Solution |
|---|---|---|
| Humming or grinding noise from rear axle | Worn or improperly installed axle bearing; low differential fluid | Inspect and replace bearing if necessary; check differential fluid level and condition. |
| Fluid leak from axle seal area | Damaged or improperly seated axle seal | Inspect and replace axle seal, ensuring proper installation. |
| Vibration during driving | Bent axle shaft (unlikely if new); unbalanced wheel; loose wheel nuts | Check wheel balance and lug nut torque. If vibration persists, inspect axle shaft for damage. |
| Wheel studs spinning or loose | Improperly installed or damaged wheel studs | Replace damaged wheel studs, ensuring they are pressed in correctly. |
If troubleshooting steps do not resolve the issue, consult a professional automotive technician.
Specifications
| Brand | Dorman |
| Model Number | 630-317 |
| Material | Alloy Steel |
| Item Weight | 9.6 Pounds (approx.) |
| Product Dimensions (L x W x H) | 38.88 x 8.18 x 8.18 inches (approx.) |
| Bearing Number | 630 317 |
| Bearing Type | Ball Bearing |
| Compatible Lubricant | Grease (for bearing) |
| Bolt Pattern (Number of Holes) | 5 |
| OEM Part Number | AXK242; J8127070 |
Warranty and Support
For information regarding product warranty, returns, or technical support, please refer to the official Dorman Products website or contact Dorman customer service directly. Warranty terms may vary based on purchase location and specific product. Always retain your proof of purchase.
Dorman Official Website: www.dormanproducts.com
Amazon Product Page: Dorman 630-317 on Amazon