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4 Common Problems With Toyota Tundra – And Their Fixes

Tundra Articles

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The Toyota Tundra is famous for its powerful performance, long-lasting reliability, and durability. However, some common problems may still emerge with this pickup truck. Some common problems with the Toyota Tundra include transmission issues, a rusty frame, and various engine recalls. By knowing these common problems and what to do to fix them, you ensure your Tundra runs smoothly for years to come.

This guide highlights the common problems with Toyota Tundra Trucks and their possible solutions. So, let us get into it!

Reliability Issues with the Toyota Tundra

There is no doubt about the Toyota Tundra’s overall reliability. However, a few model years had some notable issues reported by their respective owners. Here, we will be highlighting common reliability issues with all Toyota Tundra trim levels.

Common Reliability Issues

  • Transmission problems
  • Frame rust and corrosion
  • Air injection pump failure
  • Exhaust manifold leaks

Now, let us have a look at each of these problems and their solutions.

White Toyota Tundra Parked at a Dealership

1. Transmission Problems in the Toyota Tundra – Causes and Solutions

Transmission issues manifest in many ways, from minor irritations like jerky shifting to major malfunctions requiring costly repairs. They can lead to sluggish acceleration, poor fuel economy, and even complete transmission failure if left unchecked. The common transmission problems with Toyota Tundra Trucks (especially the 2021 model) involve gears that slip. Preventing these problems ensures the smooth operation of your Tundra.

Common Issues with the Toyota Tundra’s Transmission

  • Inaccurate or delayed shifting
  • Overheating
  • Failure of the torque converter
  • Total failure of the transmission

Reasons for Transmission The Toyota Tundra’s issues

  • Outdated transmission fluid
  • Tainted worn-out parts for the transmission
  • Faulty solenoids Too much towing
  • Towing Electrical or software issues

Transmission Repair

  • To have sufficient lubrication, replace the gearbox fluid at 150,000 – 200,000 miles.
  • Use the recommended ATF WS transmission fluid for optimal performance.
  • You will need to have the torque converter, clutch packs, and solenoids inspected if the problem persists.
  • To prevent further harm, a worn-out torque converter must be replaced immediately.
  • Inspect under the truck regularly for red or brown fluid leaks near the transmission.
  • Change the transmission pan gasket or seals as needed if a leak is found.
  • Don’t tow beyond your truck’s capacity.
  • If towing large loads is required, add an aftermarket transmission cooler.

2. Frame Rust and Corrosion in the Toyota Tundra – How to Prevent and Fix It

Frame rust and corrosion have been major issues for some Toyota Tundra models. Severe frame rust can compromise the structural integrity of the truck and lead to costly repairs, potential safety concerns, or even having the frame replaced. You can extend the lifespan of your Tundra and keep it roadworthy by knowing how to prevent and address this issue.

Common Symptoms of Toyota Tundra Frame Corrosion and Rust

  • There is clear rust on the frame.
  • Inspect the undercarriage for reddish or brown rust.
  • If the rust is extensive, the metal will peel away and weaken the frame.
  • Rust produces stress sounds by compromising the structural integrity of the frame.
  • Too much rust can lead to a failure to pass an inspection, which is mandatory in some states.

Causes of Corrosion and Rust in Frames

  • Earlier Tundra models were rust susceptible because of poor undercoating.
  • Tundras driven in coastal or snowy areas are more prone to rust.
  • Rusting can be hastened by water inside the frame.
  • Water can trap debris and dirt that would otherwise cause moisture to be held against the metal, speeding up corrosion.

How to Prevent the Toyota Tundra’s Frames from Rusting?

  • To remove salt and dirt, operate an automatic car wash.
  • To protect metal surfaces, use rust-inhibiting coatings, undercoatings, or sprays.
  • Eastwood Rust Encapsulator, POR-15, and Fluid Film are well-liked options to prevent rust over the long term.
  • In case your truck lacks drain holes, drill minute drainage holes in the frame to allow water to exit.
  • If rust has started to spread, use a rust-neutralizing treatment, such as Rust-Oleum Rust Reformer.
  • The frame may require welding or reinforcing if rust has compromised its integrity.
2012 Toyota Tundra Engine Bay

3. Air Injection Pump Failure in the Toyota Tundra – Causes and Fixes

Owners have reported the premature failure of the Toyota Tundra’s air injection pump. This reduces emissions by adding new air to the exhaust system during start-up. Failure of the pump often reduces the efficiency of the Problems with the 2020 Toyota Tundra truck engine, leading the truck to fall into limp mode, restricting power and speed.

Moreover, the main problems with Toyota Tundra trucks are electrical issues in the pump or valves. Preventing engine damage can be achieved by using premium gasoline at highway speeds and avoiding carbon residues. Some owners opt to disable a failed pump by purchasing an air pump bypass kit, despite the expensive procedure typically costing over $4000.

4. Exhaust Manifolds Leaks – Symptoms and Repair Solutions

Exhaust manifold leaks can lead to various problems with Toyota Tundra Trucks 2020 such as grating noises, loss of fuel economy, and even emissions failure. Heat cycles and metal expansion through the years may lead to cracking or gasket failure.

The exhaust manifold leaks hot gases from the engine to the exhaust system. This can lead to increased Toyota Tundra engine problems such as engine stress, decreased performance, and require costly repairs. Here’s how to fix the problems before it gets worse.

  • Replacing a loose or broken gasket can seal the leak and prevent further occurrence.
  • To prevent additional failures, utilize a high-quality heat-resistant gasket.
  • The manifold may need to be repaired or replaced if you find cracks in it.
  • Inspect your exhaust system for leaks regularly.
  • To lessen tear from heat, take into consideration thermal coverings or ceramic-coated manifolds.
2025 White Toyota Tundra Capstone Side View

Final Thoughts!

So, now you know pretty much all about the common problems with Toyota Tundra Trucks. These problems might shorten their lifespan. Drivers should take note of such challenges, varying from frame rust that compromises integrity to transmission concerns that may degrade performance.

By taking care of such issues early on, like maintaining your gearbox and protecting against corrosion, you can extend the life of your Tundra. Flex Automotive specializes in customizing various Toyota SUVs and pickup trucks including but not limited to Land Cruisers, Tacoma, Sequoia, and Tundra. Get your Tundra personalized by experts at Flex Automotive.

FAQs

1: Are Toyota Tundra trucks reliable?

Yes, Toyota Tundra trucks are quite reliable. On average, a tundra can last as long as 150,000 to 200,000 miles. This highlights the reliability aspects of Tundra. Please note regular maintenance checkups are necessary to ensure your Tundra lasts for a long time span.

2: What year is bad for the Toyota Tundra?

Some mechanical problems with Tundra exist like other pickup truck models. However, there aren’t many. According to Tundra Users, 2003 -2006 models had major mechanical problems. Some later models like the 2012 and 2017 models also had some issues reported by their respective owners.

3: Which Tundra engine is having problems?

The V35A-FTS twin-turbo V6 engine had major recalls. Toyota recalled Tundra models (mainly 2022-2023) for engine-related problems.

4: What is the controversy with the Toyota Tundra?

The Toyota Tundra has recently been at the center of controversy due to a class action lawsuit filed against Toyota. The lawsuit alleges that the 2022-2024 Toyota Tundra and Tundra Hybrid engines have serious mechanical defects.

Wahad

Being an automotive enthusiast, Wahad likes to write about various vehicles including but not limited to SUVs, Pickup trucks, and vans. He is currently associated with FLEX Automotive as an associate writer.