If you own a 4×4 vehicle, you know what the transfer case means. This is the part of the vehicle that allows power to be transferred from the gearbox to the front and rear axles.
If the transfer case is damaged or worn due to high mileage, it will need to be overhauled or replaced.
To replace a transfer case, you need basic mechanical tools:Parish Set,screwdriver, zcrowbar torque wrench.If you're remodeling the device, it's best to get oneTransfer case conversion kit. Replacing the transfer case is easier than rebuilding, but both require advanced mechanical skills to successfully complete.
In this blog post we will discuss how to rebuild or replace a transfer case. We will provide step-by-step instructions for both processes. Let us begin!
What is a transfer case?
In very simple terms, a transfer case is a device for shifting gears in a four-wheel drive vehicle. The transfer case is connected to the transmission and helps transfer engine power to the wheels.
It is an essential part of any 4WD system and without it the vehicle would not run properly.
There are two main types of transfer cases: manually shifted and automatically shifted. Manual-shift transfer cases are operated by a lever inside the vehicle, while automatic-shift transfer cases are computer controlled.
Both types of transfer cases have their own pros and cons, so it's important to choose the right one for your needs.
Manually shifted transfer cases are generally more reliable and easier to repair than automatically shifted transfer cases. They are usually cheaper too. However, they can be more difficult to operate and may require more force when changing gears.
Automatically shifted transfer cases are generally more expensive than manually shifted transfer cases. However, they are generally easier to use and may require less effort to shift.
In addition, automatically shifting transfer cases are generally more reliable and easier to repair than manual shifting transfer cases.
When choosing a transfer case, it is important to consider your needs and preferences. When you need a reliable and easy-to-maintain transfer case, a manual shift case may be the best option for you.
If you need an easy-to-use transfer case that requires less effort to shift gears, an automatic shifting transfer case may be the best option for you.
Can a bad transfer case damage my car?
The answer is yes, a bad transfer case can damage your car. The transfer case is responsible for transferring power from the engine to the wheels. When the transfer case is not working properly, it can cause your car to slip and skid, which can lead to accidents and damage to your car.
If you think your transfer case may be damaged, it's important to take it to a mechanic or workshop as soon as possible. You can inspect the transfer case and make sure it is working properly.
If they find it is damaged, they can replace it with a new one. This ensures that your car is safe to drive and will not cause any further damage.
What Are the Symptoms of a Bad Transfer Case?
If you think your transfer case is going bad, there are several symptoms to look for. A symptom of a bad transfer case is strange noises coming from the area of the vehicle where the transfer case is located.
Another symptom is difficulty shifting or the transfer case slipping out of gear. Additionally, leaks from the transfer case area are another common symptom of a problem.
If you notice any of these symptoms, it is important to have your vehicle checked by a qualified mechanic as soon as possible. If a faulty transfer case is not repaired, it can seriously damage your vehicle and even render it unusable.
What causes problems in the transfer case?
There are several things that can cause problems with a transfer case. A common cause of transfer case problems is leakage. Leaks allow dirt and debris to enter the transfer case, which can damage internal parts.
In addition, leaks can also cause the fluid level in the transfer case to run low, which can also cause problems.
Another common cause of transfer case problems is wear. Over time, the transfer case parts will wear and break. This can eventually lead to serious problems that can render the transfer case unusable.
If you think your transfer case has a problem, it's important to have it checked by a qualified mechanic as soon as possible.
Transfer cases are complex pieces of machinery and should only be repaired by someone experienced. Attempting to repair a transfer case yourself is not difficult, but it can be dangerous and make the problem worse.
Can a transfer case be converted?
Rebuilding a transfer case is not a difficult task, but it does require some knowledge of automotive mechanics. It's also important to have access to the right tools and parts. If you are unsure whether you can rebuild a transfer case, your best bet is to consult a professional mechanic.
The first step in rebuilding a transfer case is to remove the old one from the vehicle. This can be done by disconnecting the driveshaft from the transfer case and unbolting the transfer case from the engine.
Once the old transfer case is removed, you need to get rid of old grease and dirt.
Next you need to inspect the old transfer case for wear. In the event of significant damage, it is advisable to replace the entire unit. However, if the damage is minor, you can easily replace specific transfer case parts.
Once you've decided whether to replace or rebuild your transfer case, you'll need to gather the necessary parts and tools. If you rebuild the device, you will need a new set of seals, bearings, gaskets and O-rings.
You will also need a variety of hand tools, such as B. Wrench and screwdriver. Once you have all the necessary parts and tools, you can begin your transfer case rebuild or replacement.
Tools needed to change the transfer case:
| Bild | title | Preis | Comparison |
|---|---|---|---|
 | DEWALT Socket Set, 3/8" Drive, SAE/Metric, 34pc (DWMT73804) | buy now | |
 | DURATECH 3-piece ratchet set, 1/4", 3/8", 1/2" ratchet handle, 90 teeth, reversible quick release, CR-V, with EVA organizer | buy now | |
 | 1/2" EPAuto Snap Torque Wrench, 10~150 ft/lb., 13.6~203.5 N/m | buy now | |
 | Amartisan 10 Piece Magnetic Screwdriver Set, 5 Phillips and 5 Slotted Tips Professional Screwdriver Set with Padded Grip (10 Piece) | buy now |
Prices extracted from the Amazon Product Advertising API at:
Parts needed to replace the transfer case:
| Bild | title | Preis | Comparison |
|---|---|---|---|
 | Fel-Pro Transfer Case Gasket Kit 72770 | buy now | |
 | Timken Transfer Case Rebuild Kit TCRK208SPK | buy now | |
 | SKF 4912 seal for transfer case | buy now | |
 | TWCC 770pcs Rubber O Ring Set 18 Universal Sizes Nitrile NBR Washers Gasket Kit for Automotive Faucet Pressure Pipe Seal Repair Air or Gas Fittings Resistant to Oil and Heat | buy now |
Prices extracted from the Amazon Product Advertising API at:
How do you rebuild or replace a transfer case?
If you are planning to rebuild your transfer case, there are a few things to consider.
- First you need to make sure you have all the necessary parts and tools.
- Second, you have to take your time and be careful not to damage any of the parts.
- Third, if you are unsure about rebuilding the transfer case, your best bet is to consult a professional mechanic.
With that in mind, let's look at the steps involved in rebuilding a transfer case.
- Remove the old transfer case from the vehicle. This can be done by disconnecting the driveshaft from the transfer case and unbolting the transfer case from the engine.
- Once the old transfer case is removed, you need to get rid of old grease and dirt.
- Inspect the old transfer case for wear. In the event of significant damage, it is advisable to replace the entire unit. However, if the damage is minor, you can easily replace specific transfer case parts.
- Once you've decided whether to replace or rebuild your transfer case, you'll need to gather the necessary parts and tools.
- If you rebuild the device, you will need a new set of seals, bearings, gaskets and O-rings. You will also need a variety of hand tools, such as B. Wrench and screwdriver.
- Begin by rebuilding or replacing the transfer case according to your chosen method.
- After the transfer case has been rebuilt or replaced, you can reinstall it in the vehicle.
- Reconnect the driveshaft to the transfer case and bolt the transfer case back to the engine.
- Test the transfer case to make sure it is working properly.
- If everything works correctly, you can consider the job done.
These are the basic steps in rebuilding or replacing a transfer case. As you can see, it's not a difficult task, but it does require some knowledge of automotive mechanics.
If you are unsure whether you can rebuild a transfer case, it is always best to consult a professional mechanic.
Prices extracted from the Amazon Product Advertising API at:
Product prices and availability are accurate as of the date/time shown and are subject to change. All pricing and availability information displayed on [Relevant Amazon Sites] at the time of purchase is for the purchase of this product.
frequently asked questions
How long does a transfer case last?
The average transfer case lasts about 300,000 miles. However, this depends on the make and model of your vehicle and how you drive and maintain your vehicle.
If you take good care of your vehicle and don't subject it to excessive wear and tear, your transfer case should last for many years. However, if you frequently drive off-road or do not properly maintain your vehicle, your transfer case may need to be replaced sooner.
How much does it cost to replace a transfer case?
The cost of replacing a transfer case will vary depending on the make and model of your vehicle. In most cases, replacing a transfer case will cost anywhere from $500 to $2,700, excluding labor.
If you need to have the transfer case replaced by a mechanic, the labor cost will range from $200 to $500.
Is it worth repairing a transfer case?
Whether it is worth repairing a transfer case depends on the extent of the damage and the cost of the replacement parts.
If the damage to your transfer case is minor, it may be worth repairing. However, if the damage is significant or replacement parts are expensive, it may be better to replace the entire unit.
Only you can decide if your transfer case is worth repairing. If you are unsure of what to do, your best bet is to consult a professional mechanic.
Can you drive without a transfer case?
You can technically drive without a transfer case, but it's not advisable. The transfer case is responsible for distributing power to the front and rear axles, and without it your vehicle will likely be unstable and difficult to control.
Without a transfer case, your vehicle cannot switch to all-wheel drive either.
In addition, your vehicle is significantly less off-road capable without a transfer case. So unless you plan on driving your vehicle in inclement weather or off-road, it's best to leave the transfer case in place.
What is the difference between a chain driven and gear driven transfer case?
A chain driven transfer case uses chains to connect the input shaft to the output shaft. Chain drives are generally more robust and require less maintenance than gear drives. However, they can be noisy and may not be as efficient as gears.
A gear driven transfer case uses gears to connect the input shaft to the output shaft. Gear drives are typically quieter and more efficient than chain drives. However, they can be more expensive to maintain and may not be as robust as chain drives.
A chain driven transfer case is less expensive to manufacture than a gear driven transfer case. A gear-driven transfer case lasts longer and requires less maintenance than a chain-driven transfer case.
When choosing a transfer case for your vehicle, consider your driving habits and the type of terrain you will be driving.
If you do a lot of off-road driving, a gear-driven transfer case is a good choice. If you drive mostly pavement then a chain driven transfer case is probably fine.
Diploma
Finally, if you ever need to rebuild or replace your transfer case, there are a few things to consider.
First you need to make sure you have all the necessary parts and tools. Second, you have to take your time and be careful not to damage any of the parts. Third, if you are unsure about rebuilding the transfer case, your best bet is to consult a professional mechanic.
With these things in mind, rebuilding or replacing a transfer case is not a difficult task. However, it requires some knowledge of automotive mechanics. If you are unsure whether you can rebuild a transfer case, it is always best to consult a professional mechanic.
Here are some other articles you can check out:
How to test the transfer case shift motor
What Causes a Transfer Case Leak?
Symptoms of a faulty transfer case control module
FAQs
Can transfer cases be rebuilt? ›
We stock all Rebuilt Transfer Cases such as Fabco / Meritor and Cotta PTO transfer cases and they are ready to ship. We repair or rebuild transfer cases and ship anywhere! Any application from off-road to over the road. We also buy products.
How much does it cost to rebuild a transfer case? ›How much does it cost to replace a transfer case? Replacing a transfer case is an expensive proposition. We got multiple quotes for replacing the transfer cases in three sample vehicles, and the average results ranged from $2,077.20 to $7,714.
How many hours does it take to replace a transfer case? ›Labor guide says replace front part of transfer case is 5.2 hours, rear part of transfer case 3.0 hours.
How do I identify my transfer case model? ›New Process/New Venture transfer cases are easy to identify. Early models have a rectangular ID plate screwed to the back of the case; newer ones have a round red/silver/black tag on their backsides. BorgWarner models have an assembly tag secured by one of the housing's bolts.
What causes transfer case failure? ›Commonly, a transfer case will fail due to a low fluid level caused by leaks, a lack of maintenance or regular wear and tear. It's important to address fluid leaks right away to prevent internal transfer case damage. Changing the transfer case fluid on a regular basis is also important.
How often should you replace a transfer case? ›When to change the transfer case fluid? Most mechanics recommend that you replace the transfer case fluid once every 50,000 km. However, the average life of the transfer case fluid depends on how your vehicle is used.
How much does it cost to replace transfer case seal? ›Transfer Case Output Shaft Oil Seal Replacement Cost - RepairPal Estimate. The average cost for transfer case output shaft oil seal replacement is between $224 and $269. Labor costs are estimated between $173 and $218 while parts are priced at $51.
Can a transfer case cause transmission problems? ›Can Bad Transfer Case Damage the Transmission? There are instances where a catastrophic transfer case failure can damage other parts of your vehicle, including the transmission. It's always a good idea to address any known issues with your vehicle as soon as possible to avoid additional problems.
Can your transfer case mess up your transmission? ›The transmission receives power from the engine and through gears transmits this power to the transfer case. As you can see, both parts are linked, and continuous strain or a faulty, but not failed, part on either one can cause the other to become faulty as well in the long run.
Can a truck run without a transfer case? ›Without a transfer case, your car or truck would not be able to switch from two-wheel to four-wheel drive mode.
How do you know when your transfer case is full? ›
Checking transfer case fluid level. If fluid is level with the fill plug hole, or just dribbles out, the case is full. If it pours out, the case is over-filled.
What happens when the transfer case goes out? ›Vehicle Switching In And Out Of 4-Wheel Drive When your transfer case goes bad, your car might jump in and out of 4-wheel drive on its own. This indicates an inability to stay in a drive mode which can damage the transfer case, other systems on the vehicle, or cause an unsafe driving situation.
What are the three types of transfer cases? ›The three basic types of transfer cases are part-time 4WD, full-time 4WD, and active 4WD. Part-time 4WD is the most common type of transfer case. It allows you to operate the vehicle in two-wheel drive, four-wheel drive high-range (4Hi), and four-wheel drive low-range (4Lo).
What is included in a transfer case service? ›- Drain differential gear oil.
- Inspect the oil for evidence of sludge.
- Fill the differential with new oil of the correct type.
- Reseal differential cover if needed.
- Check for leaks and wear on seals.
- Test to check working of serviced differential.
Whining, growling, and humming are all bad transfer case sounds. This may come from a fluid leak or a mechanical problem like damaged gears. Another symptom other than noise from transfer case is the vehicle jumping in and out of four-wheel drive.
How many miles does a transfer case last? ›If the fluid runs low or becomes contaminated, it can lead to failure of the differential. To avoid this issue, it is recommended that the transfer case fluid be changed periodically, normally every 30,000 miles, especially in vehicles that tow or use four-wheel drive often.
What does a transfer case control module do? ›Transfer Case Control Module (TCCM) is the brain behind the electronically shifted 4WD systems. The TCCM processes the shift request from the dash mounted mode selector buttons, executes the shift, and verifies the shift was completed.
Is a transfer case hard to replace? ›Replacing the transfer case will take a couple of hours, and it's a heavy part. It's important to go in knowing exactly what to do and how to do it right. We have some tips for you: To remove the driveshafts, you may want box end wrenches.
Does a transfer case do anything in 2WD? ›What Is A Transfer Case? The transfer case is located between the transmission and front and rear differentials via the driveshafts, creating a two-wheel drive (2WD) or four-wheel drive vehicle. On a four-wheel or all-wheel drive (AWD) vehicle, it directs power to two or four wheels.
Can I still drive with a leaking transfer case? ›If the seals leak, fluid escapes and cannot properly lubricate the internal components of the transfer case. With time and use the parts inside will wear out and overheat. This can render the transfer case useless and the vehicle will no longer be able to shift into four-wheel drive.
Can you use gasket maker on a transfer case? ›
Permatex Gear Oil RTV Gasket Maker Designed for Use on Transfer Cases and Differentials. Permatex offers its specialized Permatex Gear Oil RTV Gasket Maker for use as a gasket maker or sealant on transfer cases, differentials, and manual transmissions.
How long should a transfer case seal last? ›Ultimately, the internal parts will overheat, seize up, and fail. When this happens, the four-wheel drive will not work at all. It is recommended that your transfer case fluid should be changed every 30,000 miles, so your seals should be inspected during this time for any signs of wear.
Can a transfer case cause vibration? ›Common signs include a noisy drivetrain, excessive vibrations, and oil leaking from the transfer case in all-wheel or four-wheel vehicles.
How do I service a transfer case? ›The transfer case is serviced by periodically draining its fluid and replacing it with fresh fluid. We also check for leaks and damage. Transfer case fluid cools and lubricates the gears, chains, bearings, shafts and other parts. Over time, the additives in the fluid wear out and it doesn't protect as well.
What can be mistaken for transmission problems? ›Common Problems Misdiagnosed as the Transmission
Yes, transmission malfunction is a common source, but it might also be a fluid leak, faulty clutch, brake problem, electrical short, or heater/air-conditioner issue.
Transmission failure can be caused by slipping, symptomatic noises, lack of fluid due to leaks, overheating, or outside factors that affect the transmission.
How do I stop my transmission from messing up? ›- #1 Check Your Transmission Fluid Regularly.
- #2 Always Properly Switch Gears.
- #3 Use Your Parking Brake.
- #4 Avoid Overheating Your Transmission.
- #5 Don't Overload Your Vehicle.
- #6 Let Your Vehicle Warm Up.
- #7 Have Annual Powertrain Transmission Check-Ups.
Should you drive your car with a bad transfer case? Driving your car with a bad transfer case is a bad idea. If you continue to drive with a transfer case that has a serious mechanical problem, you could destroy it beyond the point of repair, and possibly damage your transmission, driveshafts and axles in the process.
Can you keep a truck running forever? ›The good news is with proper routine truck maintenance, you can keep that good truck feeling for 100,000 miles or more.
Does a transfer case have a vent? ›The vent is located on the top of the front case half with a rubber hose that leads up to the top bell housing stud on the transmission. NOTE: A broken or missing vent can let moisture and debris enter the transfer case leading to premature failure and expensive repairs.
How many quarts of oil does a transfer case take? ›
2011 - 2018 Ram 1500 transfer case fluid kill capacity is 1.4 liters (1.47 quarts).
Why does my car make a grinding noise when I put it in gear and won t move? ›If your transmission makes a grinding noise when you shift gears, you are likely experiencing friction between gears due to insufficient transmission fluid, worn transmission linkage, maladjusted binding, or a “dragging clutch.” If you hear grinding sounds when shifting from neutral to any gear, you may be dealing with ...
What would cause 4WD to not engage? ›Faulty Switch - If the switch itself is bad, it won't let current flow from the battery to the solenoid, and won't allow the transfer case to engage four-wheel-drive. Even if the switch feels fine, it could be corroded, dirty, or broken internally.
Does transfer case affect shifting? ›Under normal circumstances, gear shifts from two-wheel to four-wheel drive happen smoothly. As transfer cases age or sustain internal damage, the shifting mechanisms can clash or seize up.
Does a transfer case need oil? ›The transfer case is lubricated and cooled by special gear oil. Over time, the oil gets contaminated and needs to be changed, just like your engine oil and transmission fluid. Your vehicle manufacturer will have a schedule.
What is a divorced transfer case? ›A divorced or independent transfer case is completely separate from the transmission. It is located further down the driveline than a married transfer case and connected to the transmission output shaft by a short driveshaft.
How much fluid does a transfer case take? ›One typical GM HD transfer case will require 2 quarts, so we have bottled up our performance transfer case fluid in a convenient 2 quart bottle to provide you with a single fill with no waste. Merchant Automotive does not recommend overfilling a transfer case.
How much does it cost to rebuild your transfer case? ›Transfer Case Replacement Cost - RepairPal Estimate. The average cost for transfer case replacement is between $2,769 and $2,894. Labor costs are estimated between $479 and $604 while parts are priced at $2,290. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location.
Which RPO code is for transfer case? ›The RPO code for these transfer cases is NP8 (NVG 226, 236, 246, 246 EAU).
How do I know if I have a NP205 transfer case? ›Identifying an NP205 is relatively easy: It has a cast-iron case and center idler shaft with a nut on the front and a three-bolt cover on the rear, is about 12 inches long, has a center rear output, and usually has an ID tag above the front output shaft.
Are all 246 transfer cases the same? ›
The 246 has several variations depending on the vehicle and the transmission used. If the transmission is an RPO M30 code the unit will have a 27-spline rear output shaft. If the transmission is an RPO code MN8 or MT1, it will have a 32-spline output shaft.
Can you drive a truck with a messed up transfer case? ›Should you drive your car with a bad transfer case? Driving your car with a bad transfer case is a bad idea. If you continue to drive with a transfer case that has a serious mechanical problem, you could destroy it beyond the point of repair, and possibly damage your transmission, driveshafts and axles in the process.
How serious is a transfer case leak? ›If the seals leak, fluid escapes and cannot properly lubricate the internal components of the transfer case. With time and use the parts inside will wear out and overheat. This can render the transfer case useless and the vehicle will no longer be able to shift into four-wheel drive.
Can a transfer case damage a transmission? ›Can Bad Transfer Case Damage the Transmission? There are instances where a catastrophic transfer case failure can damage other parts of your vehicle, including the transmission. It's always a good idea to address any known issues with your vehicle as soon as possible to avoid additional problems.
What happens if you don't change your transfer case fluid? ›Over time transfer case fluid becomes contaminated due to carbon build up from cooling hot drivetrain components. This may affect a vehicle's performance, causing the vehicle to shudder when turning or emit whining sounds. If the fluid runs low or becomes contaminated, it can lead to failure of the differential.
What happens when transfer case goes out? ›Vehicle Switching In And Out Of 4-Wheel Drive When your transfer case goes bad, your car might jump in and out of 4-wheel drive on its own. This indicates an inability to stay in a drive mode which can damage the transfer case, other systems on the vehicle, or cause an unsafe driving situation.
What are the signs of a malfunctioning transmission? ›- Refusal to Switch Gears. If your vehicle refuses or struggles to change gears, you are more than likely facing a problem with your transmission system. ...
- Burning Smell. ...
- Noises When in Neutral. ...
- Slipping Gears. ...
- Dragging Clutch. ...
- Leaking Fluid. ...
- Check Engine Light. ...
- Grinding or Shaking.
The average cost for transfer case output shaft oil seal replacement is between $224 and $269. Labor costs are estimated between $173 and $218 while parts are priced at $51. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location.
Can you drive with a leaking transfer case seal? ›If one of these seals should leak, fluid will escape onto the transfer and it is no longer able to cool and lubricate the components. Ultimately, the internal parts will overheat, seize up, and fail. When this happens, the four-wheel drive will not work at all.
What is the most common transmission leak? ›The most common source of a transmission leak due to faulty installation is from the transmission pan. The pan is not mounted correctly or incorrect bolts are used to secure it. Something as simple as these bolts will make transmission fluid leak from the pan.
Can a vehicle run without a transfer case? ›
Without a transfer case, your car or truck would not be able to switch from two-wheel to four-wheel drive mode.