Transfer Case Repair Cost

What is a transfer case and how does it work?

A transfer case is designed to transfer engine power from the transmission to the front and rear axles, powering all four wheels for optimum traction in rough conditions. Some transfer cases equally split engine power, while others vary the application of power depending on the situation.

Transfer cases are extremely complicated and durable components. They’re usually made of cast iron or high-strength steel and have a complex set of gears, chains or belts inside that help keep things moving.

A transfer case receives power from the transmission and, if necessary, sends it to the front and rear axles. Transfer cases accomplish this using a series of internal gears, belts or chains that redirect the rotational power from the transmission to the front and rear output shafts.

The exact function of the transfer case in your vehicle depends on whether you have an all-wheel-drive (AWD) system or a four-wheel-drive (4WD) system.

Signs your transfer case needs repairs

There are a few common signs that indicate your vehicle’s transfer case is causing an issue:

• Won’t shift between low and high gears: True four-wheel-drive systems can engage a “low range” gear that allows the vehicle to creep along at slow speeds for optimum off-road performance. If your vehicle won’t move between these gear speeds, you’re probably dealing with a broken transfer case.
• Won’t stay in four-wheel drive: If you put your vehicle in four-wheel-drive mode but it doesn't stay there, the transfer case may be malfunctioning.
• Fluid pooling under your vehicle: Running out of fluid is the most common reason why transfer cases eventually fail. Transfer cases need fluid to operate properly. If your transfer case is losing fluid, it will eventually stop working and require a full replacement.
• Strange sounds: Growling, grinding or whirring sounds coming from under your vehicle could be caused by a transfer case that’s starting to fail.

It’s worth mentioning that these symptoms may not be caused by your transfer case, so it’s important to consult a mechanic for a definitive diagnosis before you make any decisions.

How is a transfer case issue diagnosed?

If your car is experiencing some of the signs above, it's a good idea to take it to a mechanic to have them diagnose your issue. For modern vehicles, it is a straightforward process, because the mechanic can use a scanner to check your car for fault codes. If it's a transfer case issue, the scanner will show that fault code.

After confirming the fault code, the mechanic will need to remove your transfer case to see the mechanical issues and determine if it is able to be repaired or if a replacement is required.

How much does it cost to repair a transfer case?

Transfer case repairs can range from relatively simple services, like replacing an output shaft seal (which costs around $350), to complex repairs, like total rebuilds that cost several thousand dollars. Most of the time, repairs are cheaper than replacements, but in some situations, it’s actually less expensive to just replace the whole transfer case instead.

Tom Bonfe, the owner of Bonfe's Auto Service & Body Repair in St. Paul, Minnesota, gave us a mechanic’s perspective on repairing transfer cases: “You know up here in the North, lots of folks have 4x4 vehicles, so we see a lot of transfer case issues. Most of the problems are due to poor maintenance or people pushing their trucks too hard.”

He continued: “We always try to save the customer's money by doing a thorough examination of the transfer case and repairing broken or worn-out components. This usually saves the customer a lot of money but sometimes the transfer case is so damaged that full replacement is the better option.”

» READ MORE: Average car maintenance costs

How much does it cost to replace a transfer case?

Replacing a transfer case can be an expensive task. The average cost to replace a transfer case is around $3,360, but the actual price will depend on your vehicle and a number of other factors.

We got multiple quotes for replacing the transfer cases in three sample vehicles, and the average results ranged from $2,0757.50 to $9,120. That’s a significant cost difference, highlighting how much your expected costs can vary depending on what kind of vehicle you have.

The largest share of the cost came from the price of the parts needed for the replacement, which generally made up 70% to 90% of the total expense. Labor made up just 10% to 30% of the average transfer case replacement costs.

Factors that affect the cost of replacing or repairing a transfer case

Several variables can influence how much you end up paying to repair or replace a transfer case. These include:

• Vehicle make and model: Luxury or specialized vehicles, like Land Rovers or performance SUVs, often have more expensive components.
• Type of drivetrain: Vehicles with complex AWD or 4WD systems usually require more sophisticated transfer cases, which cost more to repair or replace.
• Extent of damage: Minor issues like a seal leak are cheaper to fix than internal gear damage or a cracked case.
• Availability of parts: If parts are hard to find or need to be ordered from the manufacturer, costs may rise due to delays and shipping.
• Labor rates in your region: Repair shops in urban areas or regions with a high cost of living often charge more for labor.
• Warranty coverage: If you’re under a powertrain warranty or have an extended warranty, you may pay less out of pocket.

Understanding these factors can help you budget appropriately and decide whether repair or replacement is the right route for you.

How to prevent costly transfer case repairs

Routine maintenance and inspections can help you avoid paying thousands to repair, rebuild or replace your vehicle’s transfer case. Following are a few tips to keep your vehicle in prime condition and prevent experiencing transfer case issues.

• Fluid maintenance: Regular fluid changes are the most important maintenance step for preventing transfer case repairs. You should check your fluid level every 30,000 to 60,000 miles.
• Inspections: You can visually inspect your vehicle regularly for signs of fluid leaks. If you notice fluid pooling under your parked car, you may need to take it in to see a mechanic.
• Routine service and diagnostics: Regularly taking your car in for service and getting diagnostics from a mechanic can help you avoid needing a full replacement.

Do car warranties cover transfer case repair?

If your vehicle is still under the manufacturer's powertrain warranty, fixing your transfer case should be covered. (Powertrain warranties often last longer than bumper-to-bumper warranties.) Check your warranty info to see what coverage you have and how it might help pay for transfer case repairs.

If you’re outside of your manufacturer's warranty period, an extended auto warranty can help you avoid a massive repair bill. You’ll have to buy your extended warranty ahead of time, but if your transfer case breaks, you can potentially end up ahead financially — the cost of a transfer case replacement is often more than the cost of an extended warranty.

One downside is that the cost of a transfer case replacement may be more than some coverage maximums, which are often based on the appraised value of your vehicle.

Robert, a ConsumerAffairs reviewer from Minnesota, got an extended warranty but was unhappy with the low coverage limit they received: “They're only going to offer me $3,000 in repairs, if anything goes wrong. That doesn't cover anything. If the motor blows in it, that's $7,000 right there. If the transfer case goes bad, that's $4,000. … It's not worth spending $100 a month on something that's not gonna pay out.”

Also, make sure you keep up with your scheduled maintenance. Otherwise, you may void your warranty coverage.

» MORE: What voids a car warranty?

Is it worth fixing a transfer case?

Whether or not fixing your transfer case is worth it can be a difficult decision that depends on your situation:

• If your transfer case is broken but your vehicle is still drivable, then it’s up to you to decide whether the current symptoms are worrisome or inconvenient enough to warrant a repair bill.
• If you can’t drive your vehicle at all anymore, you’ll need to balance how much your vehicle is worth versus how much a repair or replacement will cost you.

If your mechanic has estimated that fixing your transfer case will only cost a few hundred dollars, then your decision should be easy. However, things get more complicated when your repair bill is measured in the thousands, especially if you have an older vehicle.

Before you make a decision, consider:

• Comparing repair quotes from multiple mechanics
• Whether you can safely continue to drive your vehicle with the transfer case the way it is
• Checking your vehicle’s current market value
• Whether there’s anything else wrong with your vehicle that might make investing in it less appealing

Bear in mind that driving with a broken transfer case can cause additional damage, so you could end up with a larger repair bill if you ignore the problem now.

» MORE: Most expensive car repairs

FAQ

Bottom line

Transfer cases are an integral part of many vehicles’ four-wheel-drive or AWD systems. If your transfer case needs work, repair could be an option, but it depends on what’s going on inside the transfer case. If your transfer case is too far gone to repair, you can expect a full replacement to cost anywhere from $2,000 to $9,000, based on the quotes we received.

A personal loan can be useful if you need help paying for a transfer case rebuild or replacement right now, and an extended auto warranty can help you avoid large repair bills in the future.