AX52 Build: A Comprehensive Guide for Building Your Own AX52 Transmission
The AX52 transmission, a robust and popular 5-speed manual transmission, is often found in various Jeep Wrangler and Cherokee models. Its durability and performance make it a favorite among off-road enthusiasts and those looking for a reliable manual transmission. However, finding a good condition AX52 can be challenging, and rebuilding one can be a rewarding endeavor for those mechanically inclined. This guide will provide a comprehensive overview of the AX52 build process, covering everything from sourcing parts to final assembly.
Why Build an AX52?
Building your own AX52 transmission offers several advantages:
- Customization: Choose the specific gear ratios that best suit your vehicle and driving style.
- Cost Savings: Rebuilding a transmission can be significantly cheaper than purchasing a new one.
- Performance Enhancement: Upgrade to stronger components for increased durability and performance.
- Learning Experience: Gain valuable knowledge and skills in transmission mechanics.
Step 1: Sourcing the AX52
Before embarking on the build, you need to source a donor AX52 transmission. Here are a few options:
- Junkyard: Look for Jeep Wrangler or Cherokee models equipped with the AX52 transmission.
- Online Marketplaces: Several online marketplaces specialize in used automotive parts, including transmissions.
- Forum Communities: Join forums dedicated to Jeep enthusiasts, where members may offer AX52 transmissions for sale.
Step 2: Disassembling the AX52
Once you have acquired the AX52, it's time to disassemble it for inspection and cleaning. This process involves removing the following components:
- Input and Output Shafts: Remove the input and output shafts, carefully noting the placement of any shims or spacers.
- Gears and Bearings: Detach the gears and bearings, ensuring to keep them organized and labelled.
- Case and Housing: Separate the transmission case and housing, inspecting for any cracks or wear.
Step 3: Inspecting and Cleaning
Thoroughly inspect all components for signs of wear, damage, or excessive play. Replace any worn-out or damaged parts. Clean the transmission case, housing, and all components using appropriate cleaning solutions and tools.
Step 4: Rebuilding the AX52
With all parts inspected and cleaned, begin rebuilding the AX52 transmission. This involves the following steps:
- Installing Bearings: Install all bearings in their respective locations, using appropriate tools and techniques.
- Assembling Gears: Assemble the gears onto the shafts, ensuring proper alignment and clearances.
- Installing Synchronizers: Install the synchronizers onto the gears, ensuring proper engagement and operation.
- Installing Shafts: Install the input and output shafts into the transmission case, ensuring proper alignment and clearances.
Step 5: Installing the Clutch
Before installing the AX52, it's important to choose a suitable clutch for your specific application. Factors to consider include:
- Vehicle Application: Consider the weight and horsepower of your vehicle.
- Driving Style: Choose a clutch with appropriate engagement characteristics for your driving style.
- Performance Goals: Opt for a heavy-duty clutch for increased performance and durability.
Step 6: Final Assembly and Testing
Once the transmission and clutch are assembled, install them into your vehicle. Properly torque all bolts and fasteners. Perform a final test drive to ensure the transmission operates smoothly and correctly.
Tips for Successful AX52 Build
- Use Quality Parts: Choose high-quality replacement parts to ensure durability and performance.
- Follow Proper Procedures: Adhere to the manufacturer's specifications and best practices during the build process.
- Seek Professional Guidance: Don't hesitate to seek advice from experienced mechanics or transmission specialists.
- Thorough Inspection: Carefully inspect all parts before and after installation to ensure proper function.
Common AX52 Issues and Solutions
- Gear Grinding: Check for worn-out synchronizers, improper gear mesh, or damaged gears.
- Shifting Difficulty: Inspect the clutch, linkage, and transmission internals for wear or damage.
- Fluid Leaks: Inspect seals, gaskets, and o-rings for leaks and replace as needed.
Conclusion
Building an AX52 transmission can be a challenging but rewarding experience. By following these steps and seeking professional guidance when necessary, you can successfully rebuild a durable and reliable transmission that will enhance your vehicle's performance and off-road capabilities. Remember to use quality parts, adhere to proper procedures, and thoroughly inspect all components to ensure a successful build.