Here's a general outline. Specifics may vary slightly depending on the exact transmission model (you'll need to identify it – a tag on the transmission itself would be helpful). Always consult a repair manual specific to your truck's year, make, model, and transmission type for detailed instructions and diagrams.
Steps (General):
1. Vehicle Preparation: Raise the truck securely on jack stands. Engage the parking brake firmly.
2. Shift Lever Boot Removal: Carefully remove the shift lever boot and any trim around the shifter.
3. Shift Linkage Disconnection: This is where it gets tricky and varies significantly by truck. You'll need to disconnect the linkages connecting the shifter to the transmission. These are typically rods and levers with clips, bolts, or nuts holding them in place. Take photos as you go to help with reassembly. Expect to find:
* Shift Rod(s): One or more rods connect the shifter to the transmission's shift mechanism. You'll need to detach these rods.
* Shift Linkage: There may be a more complex linkage system, potentially with a connecting lever or bracket.
* Reverse lockout mechanism: You may need to work this mechanism to allow the shifter to come off.
4. Shifter Removal: Once the linkage is disconnected, the shifter itself should come off the transmission. It might be held on by a retaining clip, bolt, or nut. This part is usually located underneath the shifter. You may need to carefully pry it loose (use plastic or wood to avoid scratching the transmission).
5. Clean and Inspect: Once removed, clean the shifter and any linkage components. Inspect for worn parts or damage.
Important Considerations:
* Repair Manual: A factory service manual or a Haynes/Chilton manual specific to your vehicle is essential. These provide detailed diagrams and step-by-step instructions tailored to your specific transmission type. Generic instructions are insufficient and can lead to mistakes.
* Transmission Identification: Determine the exact transmission type (e.g., SM465, NV3500, etc.) This information is crucial for finding the correct repair information.
* Tools: You'll likely need various tools, including sockets, wrenches, screwdrivers, pliers, and possibly a pry bar (used carefully).
* Patience: This is not a quick job. Take your time, work methodically, and take photos at each step to help with reassembly.
Again, if you're unsure about any step, consult a professional mechanic. Improperly removing the shifter can damage your transmission, leading to costly repairs.
