Common Maintenance Issues That Can Develop Between MOTs

Between MOT tests, the vehicle can undergo considerable changes, sometimes over several months. While it might run well in one test, it can deteriorate over time due to conditions, mileage, weather exposure and use. After some time, the tyres wear out, fluids must be replaced, batteries can leak, and a suspension component can fail. The problems can be progressive in some instances, and the driver may not become aware of them immediately. Periodic inspections can then help to identify changes in time to avoid making it more disruptive. This blog will cover some of the common issues that may occur between MOTs and what indicators motorists should monitor.

Maintenance Issues That Can Develop Between MOTs

Several parts of a vehicle are subject to continuous wear or require routine maintenance throughout the year. Checking them periodically can help motorists identify changes before the next test. They are:

Engine Oil and Fluid Deterioration

Vehicle fluids do not remain in exactly the same condition indefinitely. Their levels can change through normal use, while some gradually lose their effectiveness and require replacement according to the manufacturer's maintenance schedule. Drivers should monitor:

• Engine oil: Inspect and change as recommended by the manufacturer.

• Brake fluid: Check fluid level and condition during normal maintenance.

• Screenwash: Ensure that the reservoir is sufficiently full to allow for good visibility.

• Change transmission fluid: Check or change as specified for applicable vehicles.

• Leaks: Any puddles, stains or damp spots under the car should not be ignored.

The manufacturer's guidelines for fluid replacement should be followed instead of a fluid indicator light on the dashboard.

Warning Lights and Unusual Vehicle Behaviour

Some of the dashboard warnings are used to warn drivers about problems, but some sounds and behaviours can be helpful too. These are points that drivers need to be aware of:

• Engine warning lights

• ABS warning lights

• Battery warnings

• Unusual mechanical noises

• New vibrations

• Changes in acceleration

• Abnormal variations of fuel consumption

A warning does not always indicate the same fault and should not be reset. Likewise, there are several possible causes for a change in performance. Arranging a car service Northampton can provide an opportunity to investigate these symptoms and identify developing problems.

Tyre Wear and Pressure Problems

Tyres can experience substantial wear between annual tests, particularly on vehicles covering high mileages. Their condition can also be affected by incorrect inflation, potholes, kerbs and other road hazards. Some of the items to regularly check for:

• Adequate tread depth

• Uneven tread wear

• Correct inflation pressure

• Cuts or cracks

• Bulges

• Punctures

Pressure can affect the performance of the tyre on the road, and if it is not correct, it can impact handling, braking and efficiency. Uneven wear may also be a sign of a problem with alignment, suspension pressure or inflation pressure that needs to be addressed.

Battery and Electrical Issues

A battery can gradually lose capacity even when the vehicle continues to start normally. This means drivers may not realise there is a problem until starting becomes noticeably more difficult. Signs of possible battery deterioration include:

• Slow engine cranking

• Dim headlights or interior lights

• Intermittent electrical problems

• Battery-related warning lights

• Difficulty starting the vehicle

• Corrosion at or near battery contacts

Short trips often do not allow the charging system to fully charge the battery, and a vehicle that has been left unused for long periods of time can also have an impact on the charging system. If the performance changes when the battery is turned on, the battery/charging system should be inspected.

Suspension and Steering Wear

Suspension and steering parts are subjected to repeated impact and loading, depending on the road surfaces they encounter. Potholes and kerb impacts can contribute to wear or cause damage. Drivers should be mindful of:

• Knocking or clunking sounds

• Excessive bouncing

• Steering-wheel vibration

• The vehicle pulling to one side

• Uneven tyre wear

• Changes in steering response

A change in handling does not necessarily mean that a particular component has failed. There are a number of suspension, steering, wheel or tyre problems that can also cause these symptoms. A professional inspection may be useful in identifying the root cause.

Wipers, Lights and Visibility Items

Even the simplest of items can break down relatively quickly due to weather and usage. As the rubber gets older, wiper blades can become less effective. Check for:

• Worn or split wiper blades

• Poor washer performance

• Low screenwash

• Failed bulbs

• Damaged light lenses

These problems can compromise visibility and safety, especially in poor weather or at night. If they can be checked from time to time, it is better than finding a problem right before an MOT.

Why Regular Checks Matter Between MOTs?

An MOT should not be treated as the only point during the year when a vehicle needs attention. Basic checks can be carried out regularly to monitor changes in condition. Drivers should:

• Check tyre pressures.

• Monitor fluid levels.

• Inspect exterior lights.

• Pay attention to warning lights.

• Adhere to manufacturer's service schedules.

• Check out any odd noises or vehicle action.

The checks are not a substitute for professional checks, but they can alert motorists to issues sooner. Doing this can further help drivers feel more confident about the state of the car and help them prepare their vehicle for the MOT Northampton test in advance of the date.

Conclusion

Even after an MOT, a vehicle can still wear. During normal usage, the brakes, tyres, fluids, batteries, suspension and visibility parts can all change, and warning lights and unusual behaviour indicate developing faults. The motorist can detect these changes through regular checks as opposed to waiting for the next annual test. While an MOT is a necessary legal obligation, there is still a responsibility to keep a vehicle in good running condition all year round. By following the manufacturer's service recommendations and attending to any unusual symptoms in a timely manner, it can help to keep the car in reliable working order and ready for its next MOT.

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