Custom Automatic Conversions

Dodge 48RE w/ Throttle Valve Cable (TVC) Transmission

Convert your Dodge 48RE w/ TVC to an Allison

Transform Your Drive: Making the Switch to an Allison 1000PK Transmission

Introducing the ultimate upgrade for your heavy-duty towing and performance needs: the Dodge 48RE to Allison 1000PK transmission conversion, now featuring a Throttle Valve Cable (TVC). As a powerhouse in the world of truck transmissions, the Allison 1000PK delivers unparalleled smoothness, reliability, and strength, designed to handle the most demanding of loads. With the integration of the TVC, you gain precise control over your transmission’s shift points, enabling optimal performance and fuel efficiency. This conversion is not just a change—it’s a transformation, reinventing your Dodge’s drivetrain to provide a towing experience that is smoother, stronger, and more responsive than you ever thought possible. Say goodbye to the days of rough shifting and constant transmission worries; say hello to the peace of mind that only an Allison 1000PK can provide.

48RE TVC Transmission: An Overview, Key Features, and Common Concerns

Overview of the 48RE TVC Transmission

The 48RE is a robust four-speed automatic transmission, designed and manufactured by Chrysler for use in its line of Ram trucks, as well as in the Dodge Ram 2500 and 3500 series. Known for its exceptional reliability and torque capacity, this transmission was designed primarily to handle the demands of the potent Cummins turbodiesel engines, making it a go-to choice for heavy towing and hauling duties.

The 48RE's innovative Throttle Valve Cable (TVC) plays a critical role in modulating the transmission’s hydraulic pressure in response to engine throttle input. This results in precise shift control, enhancing both the performance and fuel efficiency of the vehicle. Constructed with a sturdy steel case and fortified internal components, the 48RE is built for endurance. Its design is focused on functionality and durability, ensuring that it can stand up to the demands of heavy-duty truck use without flinching.

While automatic transmissions like the 48RE have become the norm in modern trucks, they still appeal to a specific kind of driver: one who values the convenience and ease of an automatic but wants to maintain substantial towing and payload capacities. The 48RE, especially when equipped with a TVC, offers this blend of practicality and performance, making it an attractive option for both work and play.

48RE TVC Features

The 48RE TVC transmission is designed with heavy-duty applications in mind, notably for Dodge Ram 2500 and 3500 series trucks. Here are some key features that set the 48RE TVC apart:

High Torque Capacity: Engineered to handle the high levels of torque generated by powerful engines, making it ideal for towing and hauling heavy loads.
Throttle Valve Cable (TVC): Allows for precise control over the transmission’s shift points, resulting in optimal performance and fuel efficiency.
Durable Construction: The 48RE features a rugged steel case and fortified internal components to withstand heavy-duty use.
Efficient Gear Ratios: Designed with gear ratios that offer a balance between powerful low-end performance and fuel-efficient highway cruising.
Hydraulic Pressure Modulation: The TVC modulates hydraulic pressure effectively, resulting in smoother and more precise shifting under a variety of load and throttle conditions.
Adaptability: The 48RE’s design allows for various aftermarket upgrades, enhancing its performance and longevity even further.

In summary, the 48RE TVC transmission is a robust, reliable, and efficient automatic transmission, designed to meet the rigorous demands of heavy-duty truck applications. Its integration with a Throttle Valve Cable ensures that drivers have a responsive and effective tool at their disposal, whether they are towing heavy loads or cruising the highway.

48RE TVC Common Issues and Signs of Failures

While the 48RE TVC transmission is designed for durability and performance, like all mechanical components, it is not immune to issues. Below are some common problems associated with the 48RE TVC transmission, along with signs that it might be failing:

Overheating: Heavy towing and hauling can lead to excessive heat, which can cause fluid breakdown, warped components, and eventual transmission failure. Signs of overheating include slipping gears, delays in engagement, and fluid leaks.
Solenoid Problems: The solenoids control the flow of fluid throughout the transmission. If a solenoid fails, it may result in improper shifting or failure to shift. This is often indicated by erratic shifting patterns or failure to shift at all.
Worn Bands and Clutches: These components are essential for shifting gears. Wear and tear over time can lead to slippage and erratic shifting. If your transmission is slipping between gears, this is a common sign of worn bands and clutches.
TVC (Throttle Valve Cable) Maladjustment or Damage: Incorrect TVC adjustment can result in improper shifting points and harsh or soft shifts. A damaged TVC can lead to similar issues.
Torque Converter Issues: A failing torque converter can lead to a variety of problems, including overheating, slipping, and shuddering.
Fluid Leaks and Contamination: Transmission fluid is the lifeblood of the 48RE. Low fluid levels due to leaks, or contaminated fluid, can lead to shifting issues, overheating, and eventual failure.
Electronic Control Module (ECM) Failures: The ECM controls the shifting of the transmission based on a variety of sensor inputs. A faulty ECM can result in erratic or harsh shifting, delayed engagement, or complete transmission lockup.
Worn or Damaged Valve Body: The valve body is the control center of the transmission. Wear or damage here can result in delayed or harsh shifts, and in severe cases, complete transmission failure.
Input and Output Sensor Failures: These sensors provide crucial data to the ECM. Failure of these sensors can result in incorrect shifting patterns and, in some cases, complete loss of shifting.

Regular maintenance, including changing the transmission fluid and filter according to the manufacturer’s recommendations and promptly addressing any of the issues above, can significantly extend the life of a 48RE TVC transmission.

When experiencing any of these symptoms, it is advisable to consult with a professional mechanic or transmission specialist to diagnose and address the problem before it leads to a complete transmission failure.

Your Guide to Rebuilding, Replacing, and Upgrading to an Allison Transmission

Rebuild, Replace, Converting to an Allison

Convert to Allison

Converting to an Allison 1000PK Transmission

Converting from the 48RE TVC to an Allison 1000PK transmission is a challenging process that requires thorough planning, specialized tools, and expertise in transmission swaps. This conversion includes not just the physical transmission but could also involve significant changes to other systems of the vehicle. Here's an outline of the steps involved:

Research and Planning
- Determine the compatibility of the Allison 1000PK with your vehicle's engine and drivetrain.
- Ensure you have access to any necessary custom parts or kits designed for this conversion.
- Compile a comprehensive list of parts and tools required for the job.
Acquire Necessary Parts
- Purchase the Allison 1000PK transmission.
- Acquire a new or modified bell housing compatible with your engine.
- Obtain a suitable transmission control module (TCM) for the Allison.
- Get any required wiring harnesses, adapters, and connectors.
- Source an upgraded or suitable transmission cooler.
Removal of 48RE TVC
- Disconnect the battery.
- Drain the transmission fluid.
- Disconnect the transmission linkage, driveshaft, and any associated wiring or hydraulic connections.
- Remove the 48RE TVC transmission from the vehicle.
Preparation and Modification
- Check the vehicle's transmission tunnel for adequate space. Modify or fabricate as necessary to accommodate the Allison 1000PK.
- If the existing motor mounts, crossmembers, or transmission mounts are incompatible, install or fabricate new ones.
Install the Allison 1000PK
- Position the new transmission using a transmission jack and bolt it to the engine using the appropriate bell housing.
- Ensure all connections are secure, including any mechanical linkage or hydraulic lines, if applicable.
Electronics and Wiring
- Install the TCM in an appropriate location, typically within the vehicle's cabin or engine bay.
- Route and connect the wiring harness, ensuring all connections are secure.
- Integrate the Allison's electronics with the vehicle's existing electrical system, making certain the TCM communicates correctly with the engine control unit (ECU).
Cooling System Installation
- Install the transmission cooler, ensuring it’s adequately positioned for airflow.
- Connect the transmission cooling lines between the Allison 1000PK and the cooler.
Drive Shaft and Final Connections
- Depending on the length adjustment requirements, either modify the existing driveshaft or obtain a custom one.
- Install the driveshaft, ensuring it's correctly aligned and securely connected at both ends.
Fluids and Testing
- Fill the Allison 1000PK with the recommended transmission fluid.
- Reconnect the battery.
- Start the vehicle and test all gear positions for correct operation.
- Take the vehicle for a test drive, ensuring the transmission shifts smoothly and the TCM functions correctly.
Final Adjustments
- After the test drive, check for any leaks, noises, or irregularities.
- Make any necessary adjustments to the linkage, wiring, or other components.

Documentation and Legal Considerations:

Ensure all changes to the vehicle are documented for future reference or resale.
Check with local regulations to ensure the conversion is compliant with emissions, safety, or other legal requirements.

Due to the complexity of this conversion, it's highly recommended to work with a mechanic or shop that has experience with transmission swaps, especially when transitioning from a 48RE TVC to an Allison 1000PK. Properly executed, this conversion can result in a vehicle that harnesses the reliability and performance of the Allison 1000PK.

NV5600 Rebuild

Rebuilding the Dodge 48RE TVC Transmission

Rebuilding a 48RE TVC transmission is a meticulous task that requires attention to detail, the right tools, and a comprehensive understanding of transmission components. Here’s an outline of the steps involved:

Research and Planning
- Acquire a detailed service manual or rebuild kit for the 48RE TVC transmission.
- Compile a list of tools and parts required for the rebuild.
- Determine whether you have the necessary skills, or if professional assistance is needed.
Acquire Necessary Parts
- Purchase a complete 48RE TVC rebuild kit, which should include new gaskets, seals, clutches, bands, and filter.
- Decide whether to use OEM or aftermarket parts based on your budget and performance goals.
Removal of 48RE TVC Transmission
- Disconnect the battery.
- Drain the transmission fluid.
- Remove the transmission from the vehicle following the procedure outlined in the service manual.
Disassembly and Inspection
- Carefully disassemble the transmission according to the service manual.
- Inspect all components for wear and damage, and identify those that need replacement.
Cleaning and Preparation
- Clean all parts thoroughly using a parts cleaner solvent. Allow them to dry completely.
- Organize and prepare the workspace for reassembly, ensuring all tools and parts are readily accessible.
Reassembly and Replacement of Parts
- Reassemble the transmission carefully, replacing worn or damaged parts with new components from the rebuild kit.
- Follow the service manual closely to ensure all components are installed in the correct order and orientation.
Installation of Rebuilt Transmission
- Carefully install the rebuilt transmission back into the vehicle.
- Reconnect all linkages, wiring, and hydraulic connections as necessary.
Fluids and Testing
- Fill the rebuilt 48RE TVC with the recommended transmission fluid.
- Reconnect the battery.
- Start the vehicle and test all gear positions for correct operation.
- Take the vehicle for a test drive to ensure the transmission shifts smoothly.
Final Adjustments and Inspection
- After the test drive, check for any leaks, noises, or irregularities.
- Make any necessary adjustments to the linkage, bands, or other components as per the service manual.

Documentation and Legal Considerations:

Keep records of all the parts that were replaced during the rebuild for future reference or resale.
Check local regulations to ensure the rebuilt transmission is compliant with emissions, safety, or other legal requirements.

Due to the complexity of a transmission rebuild, it is highly recommended to work with a mechanic or shop that has experience with the 48RE TVC transmissions. When executed properly, this rebuild can significantly extend the life of your transmission and improve the performance of your vehicle.

Replace 48RE TVC

Replacing the Dodge 48RE TVC Transmission

Replacing a 48RE TVC transmission is a substantial project that requires a set of specific tools, a new or rebuilt transmission, and a solid understanding of vehicle mechanics. Here is an outline of the steps involved:

Research and Planning
- Determine the exact replacement transmission you need, ensuring compatibility with your vehicle’s make, model, and engine.
- Acquire a detailed service manual for your vehicle.
- Compile a list of necessary tools and parts for the replacement.
Acquire a Replacement Transmission
- Purchase a new, rebuilt, or used 48RE TVC transmission.
- Ensure the replacement transmission is in good condition and comes with a warranty, if possible.
Removal of Old 48RE TVC Transmission
- Disconnect the battery.
- Drain the transmission fluid.
- Remove the old transmission from the vehicle, following the procedure outlined in the service manual.
Prepare for Installation
- Inspect and clean the area where the transmission mounts to the engine.
- Compare the old and new transmissions to ensure they are identical and that all necessary components are present.
Install the Replacement Transmission
- Carefully install the new or rebuilt transmission into the vehicle, following the service manual’s guidelines.
- Reconnect all linkages, wiring, and hydraulic connections as necessary.
Fluids and Testing
- Fill the new or rebuilt 48RE TVC with the recommended transmission fluid.
- Reconnect the battery.
- Start the vehicle and test all gear positions for correct operation.
- Take the vehicle for a test drive to ensure the transmission shifts smoothly.
Final Adjustments and Inspection
- After the test drive, check for any leaks, noises, or irregularities.
- Make any necessary adjustments to the linkage, bands, or other components as per the service manual.

Documentation and Legal Considerations:

Keep records of the replacement, including the source and condition of the replacement transmission, for future reference or resale.
Check with local regulations to ensure the replacement transmission is compliant with emissions, safety, or other legal requirements.

Due to the complexity of replacing a transmission, it is highly recommended to consult with a professional mechanic. Proper installation of the replacement transmission can significantly improve the performance and reliability of your vehicle.

Benefits of converting to an Allison 1000PK Transmission

Converting from a Dodge NV5600 manual transmission to an Allison 1000PK automatic transmission can bring several benefits, depending on the specific needs and use of the vehicle. Here are some notable advantages of making such a conversion

Enhanced Durability and Reliability

Allison transmissions, including the 1000PK series, are renowned for their ruggedness and reliability. They are designed to withstand harsh conditions and heavy loads, making them ideal for heavy-duty applications.

Improved Towing Capacity

With its robust design and superior torque capacity, the Allison 1000PK is well-suited for heavy towing applications. This is particularly beneficial for those who frequently haul trailers, boats, or other heavy loads.

Durability and Longevity

The Allison 1000 series transmissions are renowned for their durability and can have a longer lifespan under heavy-duty use compared to some other transmissions, including the NV5600.

Smoother Shifts and Improved Driving Experience

The Allison 1000PK is designed for smooth and precise shifting. This provides an improved and more comfortable driving experience, particularly under heavy load conditions.

Increased Fuel Efficiency

Although fuel efficiency can vary based on several factors, some users report improved fuel economy after converting to an Allison transmission due to its efficient design and operation.

Extended Lifespan of the Vehicle

Because of its durability, an Allison transmission can contribute to extending the lifespan of the entire vehicle, reducing long-term maintenance costs and increasing the vehicle’s resale value.

Adaptability and Customization

The Allison 1000PK series can be adapted for a variety of uses, from daily driving to commercial applications. Its controls can often be programmed to suit specific needs, allowing for customization of shift patterns and behavior based on the driver’s preferences and the vehicle’s use case.

Increased Vehicle Value

For some buyers, a vehicle with a well-regarded automatic transmission like the Allison 1000PK may have higher resale value due to its ease of use and strong reputation for reliability.

Ease of Maintenance and Availability of Parts

Allison transmissions are widely used in various industries, which means that parts and service are generally more readily available. In addition, they are known for their ease of maintenance, which can reduce downtime and service costs.

Superior Power Handling

The Allison 1000PK is designed to handle high power outputs efficiently. This is especially beneficial for vehicles with highly-tuned or powerful engines.

Safety and Stability

The advanced engineering of Allison transmissions, including features like adaptive shift controls, contributes to enhanced vehicle stability and safety, especially under challenging driving conditions.

Increased Resale Value

Vehicles fitted with a known and respected transmission like the Allison 1000PK may have a higher resale value due to the reputation of these units for reliability and performance.

Global Support Network

Allison Transmission has an extensive global network of service and support centers, making it easier for owners to get expert assistance and parts when needed, no matter where they are located.

Ideal for Commercial and Fleet Applications

For commercial vehicle operators or fleet managers, the Allison 1000PK’s combination of reliability, performance, and low maintenance can lead to lower total cost of ownership.

What's included in an Allison Conversion kit?

We provide everything you will need to get the swap done right

- Kit Includes

Allison 1000PK Transmission

Upgrade your vehicle's capabilities with the esteemed Allison 1000PK Transmission. You have the option to either include this component in your kit purchase or use your own pre-acquired Allison 1000PK transmission. To cater to your needs, we also provide transmission rebuilding services. Explore a comprehensive selection of other Allison transmissions here that we can expertly convert.

Torque Converter to fit your needs

Ensure efficient transmission of power from your engine with our durable torque converter. It's a critical component in your Allison conversion, facilitating smooth acceleration and better fuel economy.

Wiring Harness

Guarantee the seamless transmission of electrical signals with our robust wiring harness. It's specifically designed for Allison conversions, ensuring dependable and efficient communication within your vehicle's systems.

Flex Plate Adapter

The flex plate adapter in our kit ensures a reliable connection between the engine and transmission. It's essential for smooth operation and longevity of your vehicle's drivetrain.

Transfer Case Adapter, Couplers, and Tone Rings

Our kit includes T-case adapters, couplers, and tone rings to ensure a secure and efficient link between your transmission and transfer case. These components are key to maintaining the integrity and performance of your 4WD system.

Mounting Kit and Shift Linkage

This kit offers a comprehensive mounting setup and shift linkage to ensure your Allison transmission is firmly secured and smoothly operable. They are essential components for a successful and reliable Allison conversion.

Cooling Kit

Keep your Allison transmission operating at optimal temperatures with our dedicated cooling kit. Efficient heat management is key to maintaining the longevity and performance of your vehicle's transmission system.

CAC Digital Display

Monitor your transmission's performance in real time with our optional digital display. This intuitive feature provides critical data at a glance, ensuring you always stay informed about your vehicle's transmission status.

Allison Total Control Module (TCM)

Maximize your truck's efficiency with Allison's Transmission Control Module (TCM). It is designed to provide seamless gear shifts and optimal performance, enhancing your driving experience.

CAC Total Control Module (TCM)

Our proprietary CAC TCM works in sync with the Allison transmission to ensure flawless operation for the vehicles we provide kits for. This module plays a crucial role in optimizing your vehicle's transmission control system.

48RE w/ Throttle Valve Cable Allison Conversion Kits

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FAQ'S

What are the benefits of converting my Dodge Ram's current transmission to an Allison?

Converting your Dodge Ram's transmission to an Allison can result in numerous benefits including improved durability, enhanced towing capability, increased fuel efficiency, and smoother gear shifts, thus optimizing your vehicle's performance.

Is an Allison conversion compatible with all Dodge Ram models?

Most Dodge Ram models can benefit from an Allison transmission conversion, but it's advisable to consult with a specialist to ensure compatibility with your specific model.

Can I use my existing Dodge Ram transfer case with an Allison conversion?

Yes, with the right adapters, your existing Dodge Ram transfer case can be utilized in an Allison conversion.

Which Allison transmissions are best suited for Dodge Ram vehicles?

The Allison 1000 series is a popular choice for Dodge Ram vehicles due to its reliability and performance, but the best option depends on your particular needs and vehicle model.

What is the process for converting my Dodge Ram's transmission to an Allison?

The conversion process involves removing your Dodge Ram's current transmission, fitting the Allison transmission with the necessary adapters, and installing it. The wiring harness, TCM, and other components are also adjusted accordingly.

Will my Dodge Ram's performance and fuel economy improve with an Allison transmission conversion?

Yes, an Allison transmission is designed to provide smoother shifts, increased durability, and better fuel efficiency, all of which contribute to improved vehicle performance.

What specific components come with the Allison conversion kit for Dodge Ram vehicles?

An Allison conversion kit typically includes components such as the transmission (if chosen), TCM, torque converter, wiring harness, adapters, and other necessary parts for the conversion.

Can I provide my own Allison transmission for the conversion, or can it be included in the kit?

You have the option to either provide your own Allison transmission or include it with your conversion kit purchase.

Can I perform the Allison transmission conversion myself, or do I need a professional?

While it's possible for experienced individuals to do the conversion, it's generally recommended to hire a professional to ensure the job is done correctly and safely.

How long does a typical Allison conversion take for a Dodge Ram?

The conversion time can vary based on the vehicle and the specific conversion kit. On average, it might take a few days to complete.

Will converting my Dodge Ram's transmission to an Allison affect my warranty?

An Allison conversion could affect your vehicle's warranty depending on the specific terms of your warranty agreement. We recommend checking with your warranty provider before proceeding with the conversion.

What should I do if I encounter issues after converting my Dodge Ram's transmission to an Allison?

If you face any problems after the conversion, it's best to contact your conversion specialist for troubleshooting assistance or potential service needs.

Can I use an Allison transmission from a different vehicle (like a Chevrolet/GM) for my Dodge Ram conversion?

Yes, an Allison transmission from another vehicle can be used, provided it's compatible with your Dodge Ram model. Ensure to consult with your conversion specialist before proceeding.

Do you offer rebuilding services for Allison transmissions?

Yes, we do offer rebuilding services for Allison transmissions, ensuring your transmission is operating at peak performance.

What is the cost range for an Allison transmission conversion for Dodge Ram vehicles?

The cost can vary significantly depending on the specific Allison model, whether you're providing the transmission or purchasing it as part of the kit, and any additional services required. Please contact us directly for a more precise estimate.