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Thread: what your car is most likely to fail it's MOT on, according to VOSA

  1. #1
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    Default what your car is most likely to fail it's MOT on, according to VOSA

    According to VOSA, 41% of the 26m cars and light vans† presented for an MOT test (from April 2009 to March 2010) failed at the first attempt.

    On average they recorded 3.18 defects per vehicle.

    The Top 10 defect reasons are;

    1. Lighting and signaling 28.4%
    2. Brakes 19.3%
    3. Suspension 16.6%
    4. Tyres 9.9%
    5. Drivers view of road 9.0%
    6. Fuel and exhaust 7.5%
    7. Steering 2.9%
    8. Seat belts 2.2%
    9. Body & Structure 2.1%
    10. Registration plates and VIN 1.6%

    †applies to Class 3 & 4: Cars and light vans up to 3,000Kg

  2. #2
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    It looks as though the MOT has replaced servicing. With the motor trade full of ‘technicians’ who do not begin to understand what they are doing is there any wonder.

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    It is not rocket science for an owner to check most of these items. I used to get comments about 'nit-picking' when I did MOTs on motorcycles.

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    Were you using a fine toothed comb Rolebama?

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    Quote Originally Posted by tommytwotanks View Post
    According to VOSA, 41% of the 26m cars and light vans† presented for an MOT test (from April 2009 to March 2010) failed at the first attempt.

    On average they recorded 3.18 defects per vehicle.

    The Top 10 defect reasons are;

    1. Lighting and signaling 28.4%
    2. Brakes 19.3%
    3. Suspension 16.6%
    4. Tyres 9.9%
    5. Drivers view of road 9.0%
    6. Fuel and exhaust 7.5%
    7. Steering 2.9%
    8. Seat belts 2.2%
    9. Body & Structure 2.1%
    10. Registration plates and VIN 1.6%

    †applies to Class 3 & 4: Cars and light vans up to 3,000Kg
    4,5,8,10 - Absolutely no excuse; all easily checked.
    1, - Apart from minor headlight misalignment, still no excuse.
    2,3,7 - anyone who knows their car should notice that something is amiss.
    6,9 - some excuse, because many areas need specialist knowledge.

    Makes one wonder if it is widely commonplace to ignore major faults until they finally fail in service, or finish up by running off the road or hitting someone/something.
    Does it indicate a total lack of care for the safety of their families and/or themselves, and no social conscience at all?

  6. #6
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    This shows how apathetic drivers are.

    1. means a light bulb
    2. probably handbrake poor
    3. guess mostly rubber bushes of small Fords front suspension arms plus a few Renault springs
    4. bald tyres
    5. wiper blades knackered
    6. hole in the exhaust
    7. probably track rod ends excessive play
    8. dog has chewed the seat belt
    9. rust
    10. number plate letters not clearly read or incorrect spacing/type when drivers fit plates to make names.

    Virtually all of the above can be fixed by the owner/driver in a few minutes so why don't they?

  7. #7
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    There seems to be a whole new approach to owning a car now. Where in the past people used to check their oil level etc. on a Sunday morning, Now people have the view that they pay to have it done once a year.

    Having said this, MOT centre's are not always that knowledgeable. One of my cars had a clonking noise when turning the steering (when I bought it). A quick look at the MOT online showed it was given an advisory for movement in the inner track rod end. They failed to diagnose it properly, It was actually a loose pinch bolt on the universal joint on the steering column.

    I do agree that alot of people just don't even do basic checks and seems to have the mindset of it doesn't matter if your car is not roadworthy for 364 days of the year.

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    Quote Originally Posted by MrDanno View Post
    There seems to be a whole new approach to owning a car now. Where in the past people used to check their oil level etc. on a Sunday morning, Now people have the view that they pay to have it done once a year.

    Having said this, MOT centre's are not always that knowledgeable. One of my cars had a clonking noise when turning the steering (when I bought it). A quick look at the MOT online showed it was given an advisory for movement in the inner track rod end. They failed to diagnose it properly, It was actually a loose pinch bolt on the universal joint on the steering column.


    I do agree that alot of people just don't even do basic checks and seems to have the mindset of it doesn't matter if your car is not roadworthy for 364 days of the year.
    yes i agree, ive just bought an old fiesta (1999), oil level was below minimum level, smells like the alternator belt needs looking at (smell of rubber when engine is running) also looks like a weak anti-freeze mix, spare tyre is illegal (no tread on half the tyre) judging by the MOT history online, the only time it was looked at or any money was spent on it was at the MOT as the "women" was only doing 4-5 k miles per year,

  9. #9
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    Several years ago, the law brought in a fine of up to £1,000 for defective headlights. Ever heard of it being implemented, even though vehicles are more regularly being driven with only one headlight working and/or headlights badly adjusted; plus the use of bulbs that are only legal 'off-road'?
    Looking at the flip side of the coin, if the police did start to take an interest, how practical would be their handling of it? A headlight can fail at any time, and not always in a safe place to change it (where the manufacturer has made a quick DIY change possible) even if, as I do, a spare set of bulbs is always in my vehicle. Chance to rectify, or on-the-spot NIP?

    Oil check. The low level on my engine dipstick allows about 1 litre of oil needed to come back up to the top mark. I regularly check the level, and it is never allowed to fall below a quarter of that allowed. The oil capacity of the engine is only about 4.5 litres, so commonsense tells us that, at its low level, the oil is having to work much harder. Even with the standard 10,000 miles/12 months oil change, my engine is filled (under VW service schedule) with long life oil. Engines are expensive items, and not caring for them is false economy.

    Windscreen washers. It is an offence for these not to be working, but how many drivers let them run dry? In the past, I have had to fill the bottle on a courtesy car. My own w/w reservoir is of quite large capacity, but is never allowed to drop even to half-full, and always topped up before a long journey. I also use VW w/w additive year-round, increasing the strength in winter to avoid it freezing. The wipers are also checked regularly.

    Tyres. Though I change these at 3mm min tread depth, I regularly check them visually and adjust tyre pressures according to loading, as per handbook.

    All these checks take only minutes, and can be time/life savers at any time.
    My car is VW service and maintained and, now retired, I do only between 7,000 and 9,000 miles annually, but the proper before-driving checks are still carried out.
    Perhaps my fastidiousness is partly because car maintenance was my hobby for years; but familiarity with, and care for, one's vehicle should be second nature regardless of one's background.
    Vehicle mechanisms and their safe operating performance have no respect for the status of the owner/driver. Act first and be prepared!

  10. #10
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    In the past, it was part of male pride to 'know' about ones car. Since male emancipation, it becomes a matter of male pride to not know. Ladies, on the whole, continue to leave it to the men...

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