However, if you are experienced and understand the risks, here's a general overview of the process. This is *not* a comprehensive guide, and specific steps may vary slightly depending on your particular Ranger's configuration. Always consult a repair manual specific to your year and model for detailed instructions and torque specifications.
1. Preparation:
* Safety First: Disconnect the negative battery terminal. Use jack stands to securely support the truck after raising it. Wear safety glasses and gloves.
* Gather Tools and Parts: You'll need a complete clutch kit (pressure plate, clutch disc, throw-out bearing, pilot bearing/bushing), socket set, wrenches, transmission jack, torque wrench, clutch alignment tool, possibly a flywheel resurfacer, and a suitable workspace.
* Drain Fluids: Drain the transmission fluid completely.
2. Transmission Removal:
* Disconnect Components: Disconnect the driveshafts, shift linkage, speedometer cable, and any other components connected to the transmission.
* Remove the Crossmember: This will usually involve removing bolts and possibly lowering the crossmember to provide access.
* Support the Transmission: Use a transmission jack to support the transmission's weight as you remove the bolts attaching it to the engine.
* Separate Transmission and Engine: Carefully lower the transmission using the jack. This requires patience and coordination.
3. Clutch Replacement:
* Remove the Pressure Plate: Remove the bolts holding the pressure plate to the flywheel.
* Remove the Clutch Disc: Carefully remove the old clutch disc.
* Inspect the Flywheel: Check the flywheel for scoring or warping. If it's warped, it needs to be resurfaced.
* Install New Pilot Bearing/Bushing (if necessary): If the pilot bearing/bushing is worn, replace it.
* Install the New Clutch Disc: Use the alignment tool to ensure the disc is properly centered.
* Install the New Pressure Plate: Carefully install the pressure plate and tighten the bolts to the manufacturer's specified torque.
* Install the New Throw-out Bearing: This is usually installed on the transmission input shaft.
4. Transmission Reinstallation:
* Install the Transmission: Carefully raise the transmission using the jack and align it with the engine.
* Reconnect Components: Reattach all the components that were disconnected earlier.
* Refill Transmission Fluid: Fill the transmission with the correct type and amount of fluid.
5. Final Steps:
* Reconnect the Battery: Reconnect the negative battery terminal.
* Check for Leaks: Check for leaks in the transmission and clutch system.
* Test Drive: Carefully test drive the vehicle to ensure the clutch is functioning correctly.
Important Considerations:
* Flywheel Resurfacing: A warped flywheel will cause clutch problems. It's crucial to have it resurfaced or replaced if necessary.
* Torque Specifications: Always use a torque wrench and follow the manufacturer's torque specifications for all bolts. Incorrect torque can damage components.
* Alignment Tool: The clutch alignment tool is essential for proper clutch disc installation.
* Repair Manual: This is absolutely crucial. A service manual specific to your 1998 Ford Ranger 4x4 will provide detailed diagrams, torque specs, and step-by-step instructions. You can often find these online or at auto parts stores.
This is a simplified overview. The actual process is much more involved and requires significant mechanical skills and the right tools. Again, if you're not comfortable performing this repair, take your truck to a qualified mechanic. This will save you time, money (potentially a lot of it in repair costs from mistakes), and frustration, and it's far safer.
