1. Preparation:
* Safety First: Disconnect the negative battery terminal. Use jack stands securely to support the truck after lifting it. Wear safety glasses and gloves.
* Gather Tools: You'll need a socket set (including deep sockets), a U-joint press (highly recommended, but you can sometimes do it with a hammer and punch – *not recommended for beginners*), a pickle fork (for separating ball joints – use carefully!), a large pry bar, a hammer, penetrating oil, grease, and possibly a bearing separator.
* Locate the U-joints: Identify the front driveshaft U-joints. There's typically one on each end of the front driveshaft.
* Support the driveshaft: Securely support the driveshaft to prevent it from dropping after disconnecting it.
2. Removing the Driveshaft:
* Disconnect the driveshaft: This usually involves unbolting the driveshaft from the transfer case and the differential. You may need to remove a slip yoke retainer clip. Consult your repair manual for the exact procedure.
* Lower the driveshaft: Carefully lower the driveshaft out from under the truck.
3. Removing the Old U-joint:
* Remove the U-joint straps: Use a socket to remove the retaining straps (typically 4 bolts) holding the U-joint in place.
* Remove the old U-joint: This is where the U-joint press is invaluable. It allows you to safely and evenly press out the old U-joint cups. If you *must* use a hammer and punch, proceed with extreme caution to avoid damaging the yoke. A punch is generally used to remove the caps from the yoke, not to drive out the whole joint.
* Clean the yoke: Thoroughly clean the yoke and the old U-joint to remove any debris before installing the new U-joint.
4. Installing the New U-joint:
* Install the new U-joint: Use the U-joint press to carefully press the new U-joint cups into the yoke. Ensure they are seated correctly. Again, using a hammer and punch is strongly discouraged for this step; doing so increases the chances of damaging the new U-joint.
* Install the retaining straps: Securely tighten the retaining straps. Do not overtighten.
5. Reinstalling the Driveshaft:
* Reinstall the driveshaft: Carefully raise the driveshaft and re-connect it to the transfer case and differential.
* Re-check: Ensure the driveshaft is properly seated and all bolts are tightened correctly.
6. Final Steps:
* Lower the vehicle: Carefully lower the vehicle from the jack stands.
* Test: Check for any leaks or unusual noises while driving.
* Lubrication: Grease the new U-joints.
Important Considerations:
* Repair Manual: Using a repair manual specific to your year and model Dodge Ram is absolutely essential. This will provide detailed instructions, diagrams, torque specifications, and critical warnings.
* Professional Help: If you are not comfortable performing this repair yourself, take your vehicle to a qualified mechanic. Incorrect installation can lead to serious damage and potentially dangerous driving conditions.
* Parts: Ensure you purchase the correct U-joints for your specific Dodge Ram model.
This is a general overview. The exact steps may vary slightly depending on your vehicle. Always consult your repair manual before attempting this repair. Improper installation can lead to serious damage and safety hazards.