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Infiniti Transmission Repair Cost – Don’t buy the 2003 Infiniti G35!

Infiniti Transmission Repair Cost – Don’t buy the 2003 Infiniti G35!

Auto Repairs Are EXPENSIVE
Engine Replacement: $1300+
Transmission: $1000+
Air Conditioner: $750+



The typical cost of a transmission rebuild for Infiniti cars is between $1,800 and $3,400, while a less expensive type of transmission repair might just have owners replacing smaller parts like bearings, seals, and internal parts. However, if you need to pay for a complete replacement, you could be looking at upwards of $3,500 for the total Infiniti transmission repair cost. 

Infiniti Transmission Types

There are different kinds of transmission mechanisms used in Infiniti cars, with cars featuring a wide range of manual, automatic, and CVT choices. Some popular choices involve a 5-speed manual transmission or a 4-speed automatic option, with most front-wheel-drive transmissions used in Infiniti vehicles.

Furthermore, you could customize your manual transmission by adding cryo treating, shot peening, limited-slip differentials, various axles, and enhanced clutches for better performance. On the other hand, automatic transmission customization focuses on changing the valve bodies, torque converters, automatic transmission fluid, and aftermarket TCUs. 

Causes of a Faulty Infiniti Transmission

To figure out how much you might spend on the Infiniti transmission repair cost, you need to know the signs of a bad and faulty transmission that can cause safety and performance concerns! 

One main cause of a bad transmission is that your transmission might not be able to stay in gear. If your car will not move smoothly, this could be a clear sign that there could be a low transmission fluid amount. This low transmission fluid could be due to a leak, the gear shifter, the gear shifter cable, or the problem with the automatic transmission system’s valve body in your car. 

Secondly, If your transmission takes a while to go into the proper gear, this could sign a transmission fluid that is too low to work correctly. This could be due to a transmission fluid leak, fluid contamination, or water intrusion during certain weather. Make sure you stay up to date with your transmission fluid level’s routine maintenance to prevent an expensive Infiniti transmission repair cost.

Thirdly, The occurrence of your transmission slipping is another reason for a bad transmission. This condition is also caused by the pesky low transmission fluid, contamination of the transmission fluid, or the lack of routine maintenance in the transmission system, causing a high Infiniti transmission repair cost. 

Fourthly, Another reason that your transmission might be failing is that the car has no power. This problem could form from internal transmission problems, brakes that are not working correctly due to a faulty caliper or brake hose, or your car’s internal computer has limited power because of an internal electrical problem that has been detected in the engine. 

Fifth, a check engine light can come on for various reasons, like a poor oxygen sensor, a damaged intake manifold, and other issues that deal directly with the transmission. The check engine light can be a reason the transmission is failing, and cause a high Infiniti transmission repair cost. 

Sixth, another reason why your transmission might not be working correctly are gears grinding when you try to change gears and shift in your car. When your transmission grinds and the shifting gears are not working, this can be a condition that is directly related to the clutch not releasing, and the shift synchronizer rings inside the transmission being broken or damaged, or the shifter having an adjustment problem. 

Lastly, most modern cars have a transmission control module in charge of various sensors, like the shift-position sensor and the transmission speed sensor. Furthermore, the transmission control module and the solenoid wiring are protected by fuels. If there is failure or damage to one of the fuses, this can cause the signs of a bad transmission and a hefty Infiniti transmission repair cost. 

Infiniti G35

The Infiniti G35 is a line of compact cars produced between the 1990 and 1996 model years, along with the 1998-2016 years. The layout of the Infiniti G35 is either an FF layout, front-engine, and rear-wheel-drive layout, or a four-wheel drive layout. The first two generations of this vehicle were sedans modeled around the previous Primera model, while the third generation was rebadged for a new look.

Although the Infiniti G35 earned awards for the suspension system, the value of the vehicle, the customer satisfaction scores, and the handling, there have been some issues about the high Infiniti transmission repair cost. 

The worst model years of the Infiniti G35 are the 2003 and 2006 model years, with the 2003 having the most overall complaints, the most severe issues, and the most-reported concern of the steering rack leaking. The top three concerns regarding all model years dealt with the brakes and rotors breaking in the 2003 G35, the steering rack leaking in the 2003 G35, and the transmission falling in the 2007 G35. 

The other categories of concern in the 2003 Infiniti G35 are the interior accessories, the engine, the steering, and the transmission. Owners complain that the transmission fails prematurely, with the most common solution being to replace the transmission at around 35,000 miles for an average of $1,700. 

Infiniti G37

The Infiniti G37 was available as either the sedan or a coupe, with the G37 first introduced during the 2008 model years. The G37 utilized a 3.7-liter V6 engine, capable of putting out over 328 horsepower and producing 269 per foot of torque at 5,200 RPM. Despite the powerful specs, the Infiniti G37 is susceptible to a high Infiniti transmission repair cost. 

The worst model years of the G37 are the 2008, 2009, and 2011 options, with the 2009 having the most-reported problem of the dashboard cracking. The top three problems across every single Infiniti G37 year focus on the seats not working properly in the 2010 G37, the airbag sensor malfunctioning in the 2011 G37, and the steering lock failing in the 2009 G37. 

Fixing the seats not working correctly costs owners around $2,000 and typically happens at nearly 42,000 miles. The airbag sensor costs almost $7,000 to repair in the 2011 G37, while the steering lock failing costs owners around $1,200 at nearly 85,000 miles.

Owners of the 2009 Infiniti G37 state concerns with the interior accessories, electrical system, steering mechanism, and transmission. With the widespread prevalence of concerns, owners are likely to pay a high Infiniti transmission repair cost. 

Infiniti QX4

This mid-size luxury SUV was first introduced in 1996 and was released for the 1997 model year. Produced until 2003, this 5-door SUV uses front-engine and rear-wheel-drive configuration, or an all-wheel-drive setup. Complete with a 3.3-liter V6 engine or a 3.5-liter V6, the QX4 was the company’s first foray into the SUV market. 

The worst model years other Infiniti QX4 are the 1998 and 2002, with the 1998 having a reported problem of hte engine stalling frequently during use, but 2002 has the most severe and most problematic issues for most owners. 

The 2002 Infiniti QX4 has multiple problems with the engine, AC and heater, cooling system, electrical system, and transmission. The main concern from owners focuses on the car stalling out while accelerating, with the average price being $2,500 for the Infiniti transmission repair cost. 

Infiniti Q50

The Infiniti Q50 is a compact executive car that replaced the Infiniti G sedan, with the newer model debuting at the 2013 North American International Auto Show and going into production for the 2014 model year. This car was similar to the previously-made Infiniti M, complete with a front-engine, rear-wheel-drive, or front-engine, all-wheel-drive setup.

The worst model year of the Infiniti Q50 is the 2014-2016 years, with the 2014 having the most overall problems and the 2015 having the most-reported problem of premature tire wear. Due to the high number of issues, owners may have to pay a hefty Infiniti transmission repair cost. 

The main categories of concern in the 2014 Infiniti Q50 are the interior accessories, brakes, 

AC and heater, body and paint, clutch, engine, and transmission. Regarding the transmission, the main concern focuses on a blown transmission, with owners having to pay for an entirely new mechanism in their 2014 Q50. 

Infiniti QX56

The worst model year of the Infiniti QX56 is 2007. 2011, and 2012 years, with the 2011 having the most-reported problem of the paint peeling. The worst three problems across all model years deals with the radiator cracking, the radiator leaking into the transmission, and the differential failing in the 2007 QX56. 

Paying to repair the cracked radiator in your 2005 Infiniti QX56 is upwards of $3,900 to replace at around 78,000 miles. Secondly, fixing the radiator leaking into the transmission costs around $4,000 in your 2008 QX56, which is quite an expensive Infiniti transmission repair cost for owners.

Lastly, paying for a differential repair in the failed mechanism in your 2007 QX56 costs around $2,000 and occurs at nearly 78,000 miles. 

Infiniti Recall

In 2017, Infiniti recalled over 14,000 of its vehicles, especially the 2016-2018 Q50 and the 2017 Q60 vehicles that contained a 2.0-liter engine, with the fuel level staying very low even after the fuel pump tries to deliver liquid to the engine. The problem with this low fuel level and supply increase the risk of the car stalling out while driving. 

Furthermore, two different recalls were issued for the 2017 QX30 vehicles that contain side passenger and side window airbags, with the cars having a 2.0-liter engine that is prone to using incorrect software with the fuel pump. The problem with the engine and fuel pump results in the vehicle stalling out while driving.

In addition, two different recalls were made for the 2017 QX30 vehicle that dealt with the front and side passengers and airbags that failed to inflate when the car would crash. This could lead to increased safety risk, and a higher Infiniti transmission repair cost.

The last recall from Infiniti that dealt with faulty engines like the 2012-2013 M56, QX56, and 2014-2015 Q70 and Infiniti Q80 vehicles. These specific models and years were highly susceptible to a loose engine sensor and a fuel leak. 

The Bottom Line

When determining how much you might pay for the Infiniti transmission repair cost, you may be surprised to find out that a transmission replacement can cost upwards of $3,400!