Lexus RX MOT failure rates: what to expect

What fails on a Lexus RX at MOT, how often, and what each fix typically costs.

Lexus RX
Image via Wikipedia, CC-licensed.

The Lexus RX is a popular luxury SUV, but like any vehicle, it can encounter issues during its MOT. Common failures often include problems with the brakes, suspension, and emissions. Fixing these issues can vary in cost, but understanding them can help you prepare for your next MOT.

Brake System Issues

Brakes are one of the most critical safety components of any vehicle, and the Lexus RX is no exception. Common MOT failures related to the braking system include worn brake pads, damaged discs, and issues with brake lines.

Replacing worn brake pads typically costs between £100 and £200, depending on whether you choose original equipment parts or aftermarket options. If the brake discs also need replacing, you could be looking at an additional £150 to £300. Regular maintenance can help prevent these issues, ensuring your brakes remain in good condition.

Suspension Problems

The suspension system on the Lexus RX can be prone to wear and tear, especially if the vehicle has been driven on rough roads. Common MOT failures include worn shock absorbers, broken springs, and damaged bushings.

Replacing shock absorbers can cost between £200 and £400 for a full set, while replacing springs may range from £150 to £300. If bushings need to be replaced, expect to pay around £100 to £250. Keeping an eye on your suspension and addressing any issues early can save you money in the long run.

Emissions Failures

Emissions-related failures are increasingly common in modern vehicles, including the Lexus RX. Issues can arise from faulty oxygen sensors, catalytic converters, or exhaust leaks.

Fixing an oxygen sensor typically costs between £100 and £200, while a new catalytic converter can set you back anywhere from £500 to £1,200. Exhaust leaks may be repaired for around £100 to £300, depending on the severity. Regular servicing can help keep your emissions system in check and avoid costly repairs.

Tyre Condition and Tread Depth

Tyres are essential for safe driving, and their condition is a common MOT failure point for the Lexus RX. Inspectors will check the tread depth and overall condition of the tyres, looking for signs of wear or damage.

If your tyres are found to be below the legal tread depth of 1.6mm, you will need to replace them. New tyres can cost anywhere from £50 to £150 each, depending on the brand and specifications. Regularly checking your tyre pressure and tread depth can help you avoid unexpected replacements.

Lighting and Electrical Systems

The lighting and electrical systems in the Lexus RX are vital for safe driving, and failures in this area are common during MOT tests. Issues can include blown bulbs, faulty wiring, or malfunctioning indicators.

Replacing a blown bulb is relatively inexpensive, usually costing around £10 to £20. However, if there are more significant electrical issues, such as wiring faults, repairs can range from £50 to £200. Regularly checking your lights and electrical systems can help ensure they are functioning correctly before your MOT.

Windshield and Wiper Issues

Visibility is crucial for safe driving, making the condition of the windshield and wipers an important aspect of the MOT test. Common failures include cracks in the windshield and worn wiper blades.

Repairing a small crack in the windshield can cost between £50 and £100, while a full replacement may be necessary for larger cracks, costing £200 to £500. Wiper blade replacements are relatively inexpensive, typically costing around £20 to £40 for a set. Regular maintenance of your windshield and wipers can enhance visibility and prevent MOT failures.

Frequently asked questions

What does 'mot' mean for the Lexus RX?

MOT stands for Ministry of Transport test, which is a mandatory annual test for vehicles over three years old in the UK. It checks that the vehicle meets road safety and environmental standards.

How often does my Lexus RX need an MOT?

Your Lexus RX will need an MOT every year once it reaches three years of age. It is important to keep track of the expiry date to ensure your vehicle remains roadworthy.

What are common reasons for failing an MOT on a Lexus RX?

Common reasons for failing an MOT include issues with brakes, lights, tyres, and emissions. Regular maintenance can help prevent these problems.

Can I drive my Lexus RX if it has failed its MOT?

You cannot legally drive your Lexus RX on public roads if it has failed its MOT, unless you are driving it to a garage for repairs. It is best to arrange repairs as soon as possible.

How can I prepare my Lexus RX for its MOT?

To prepare for an MOT, check the lights, brakes, and tyres for any obvious issues. It is also a good idea to ensure that the windscreen wipers and washers are functioning properly.

Where can I find a reliable MOT test centre for my Lexus RX?

You can find a reliable MOT test centre by searching online or checking local listings. Look for centres that are authorised by the DVSA and have good customer reviews.

What should I do if my Lexus RX needs repairs after the MOT?

If your Lexus RX needs repairs after the MOT, you should get a detailed report from the tester. You can then choose to have the repairs done at the same centre or take it to another garage.

Is there a grace period for getting an MOT on my Lexus RX?

There is no official grace period for getting an MOT. It is advisable to book your test before the current certificate expires to avoid any legal issues.

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Sources

DVSA MOT History, Honest John reliability index, Parkers owner reviews, WhatCar reliability survey, UK Government MOT failure data.