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MOT FAQ's
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Author:  TonyBlackFRST [ Sat Apr 16, 2005 1:47 am ]
Post subject:  MOT FAQ's

After a few recent discussions on the forum i have decided to write a few of the more trick questions to answer

Lighting

rear foglights
rear must be present if only single must be on the midline of the car or towards the drivers side. must show red

front foglights
these can be fitted and not functional. they are not included in the test

indicators
must illuminate orange no matter what colour of housing.

spotlights.
if fitted these must be functional and operate with the main beam

reverse light
you do not need one as it is not part of the mot test

all lights (this one i think is great)
if all lighting is disconnected or blanked off it will not be taken into account on the MOT and you will pass. although driving at night is at your own risk

braking

abs
if abs system is fitted the dash light must fucntion correctly
if the abs system has been removed the dash light must function correctly but when removed it will light up permanently, this is beacause it wrk on a normally closed loop, so simply bridge the connector and it will work fine

front brakes
pads must not be worn to less than 1.5mm
discs must not be heavily pitted, grooved or lipped
any cracking etc of the disc will result in immediate faliure

rear brakes
must work and have no more than a 45% bias to the rear.

hand brake
must have adequate reserve travel and must physically stop the wheels

lines
these must not be kinked dmagaged or heavil corroded

common question
my car failed its MOT on braking performance but the garage wont give me a precise estimate to fix it!
This is beacause no dismatleing is allowed during the MOT so unless the damage is visable it could be many unseen things

mechanical

Lower arms/ball joints
if your lower arms are knocking and are deemed to be excessively worn you will fail.

CV joints
any leaking or incorrectly seated CV joints will need replacing to pass an MOT

structural

arches
if your arches are rusted to the point that they are flaking you will fail as this is a hazard

rust
excessive rust (full penetration) withing 30cm of load carrying suspension mounting points will need corrective work
excessive rust within 30 cm of seat belt mounting points will need corrective work

cills
any full penetration rust will need corrective work

floorpan and major rust patches bigger than 10cm in diameter will need corrective work

seat belts

if fitted from factory rear selt belts have to be present if the seats are still fitted to the car

harnesses.

aslong as they are fully uk road tested and carry suitable certification it will be fine if in doubt anything FIA spec is usually fine


Anything else you can think of post up and either myself or the admin will update the post

HTH Tony :D

Author:  EvilDes [ Sat Apr 16, 2005 1:48 am ]
Post subject: 

Great stuff there Tony, very useful :)

Will stick it in FAQ's for people to have a look at, and it will be immortalised forever :lol:

Author:  jdfiesta [ Sat Apr 16, 2005 8:52 am ]
Post subject: 

Great guide there mate, will come in handy when my MOT's due. think only thing it will fail on is underside rust. but thats gonna get done when i get paid out.
JJ

Author:  Quimninja [ Sun Apr 17, 2005 11:37 am ]
Post subject: 

Tyres

(I think most people know this anyway - but thought I'd add what I know)

Must have a tread of at least 1.6mm across the central 3/4 of the width of the tyre.

Any cut in excess of 25mm (or 10% of the width of the tyre, whichever is greater) and is deep enough to reach the ply cord, will result in a defective tyre - ie fail.

HTH too :)

Author:  Traser [ Sun Apr 17, 2005 4:48 pm ]
Post subject: 

v. useful post mate, just out of intrest, you say "foglights can be there but not working" does it matter if there are no front fogs at all???

thanks alot

Author:  Quimninja [ Sun Apr 17, 2005 8:22 pm ]
Post subject: 

Traser wrote:
v. useful post mate, just out of intrest, you say "foglights can be there but not working" does it matter if there are no front fogs at all???

thanks alot

Nope :) The only one that has to be present is the rear fog light.

Author:  Traser [ Sun Apr 17, 2005 11:17 pm ]
Post subject: 

just what i was hoping for :devil:

cheers

Author:  Paul [ Sun Apr 17, 2005 11:22 pm ]
Post subject: 

Headlights - the beams must be correctly adjusted.
You can only check this on a beam setter (a device with a lens and gauge - most MOT places with adjust your lights for free) - And if you have auto adjusting / electric headlight adjustment - save yourself some bother and set it to "0". (not neccesarily a fail enless you catch them on a bad day!!)

Windscreens - any crack in the drivers portion of the screen which is larger than x cm big will give you a fail. (all depends on the size of your windscreen. Remember safety first if you have any sizeable cracks its best to replace the entire lot.)

Brake light - central - if a central brake light or high-level brake light is fitted and connected it must show red and work correctly (i.e if it only half glows this can deem a fail)

Mirrors - You must have internal mirror, and one other mirror e.g drivers side wing mirror and internal mirror. (enless van or other)
So if you are missing a wing mirror you are ok. (if the mirrors are cracked this will more than likely fail you)

Wheel bearings - must not make excessive noise - if noise can be heard the chances are you will fail.

(Above are from my experiences at work of how we MOT test. I believe them to be correct but dont hold me to it in a court of law.. disclaimer here* lol)

Author:  Mutiny [ Tue Feb 19, 2008 11:34 pm ]
Post subject: 

whats the deal with windscreen wipers?

My gf's rear wiper isnt working and shes got MOT in a few weeks. Pass or Fail?

Author:  EvilDes [ Wed Feb 20, 2008 8:12 am ]
Post subject: 

Should pass as it's not a requirement to have rear wipers. No mention of rear wipers in the MOT Manual:

http://www.ukmot.com/6-1.asp#Text_top

Author:  Mattyboy Esq [ Wed Feb 20, 2008 10:11 am ]
Post subject: 

yeah there not checked, as some cars don't come with them! :)

Author:  sk8xtrm [ Thu May 15, 2008 7:09 pm ]
Post subject:  Re:

[quote="Mattyboy"]yeah there not checked, as some cars don't come with them! :)[/quote]

if there is an arm and wiper are present then some garages will fail it for that reason, best option it to remove the arm and cap it :)

Author:  Jam [ Fri May 16, 2008 6:14 pm ]
Post subject:  Re: MOT FAQ's

for a car mot the rear wiper is NOT a testable item..

Author:  Chris [ Mon Sep 14, 2009 7:08 pm ]
Post subject:  Re: MOT FAQ's

Quick question, Leaks..
I have a leak which is going to require the gearbox to be taken out, its an oil leak, and only a few drops come out slowly but surely. I think engine stop leak has done the job for a little bit.. I should really check, but if its in the MOT and leaks a bit will that fail?

Author:  G-Muzzy [ Thu Oct 15, 2009 1:52 pm ]
Post subject:  Re:

Mirrors - You must have internal mirror, and one other mirror e.g drivers side wing mirror and internal mirror. (enless van or other)
So if you are missing a wing mirror you are ok. (if the mirrors are cracked this will more than likely fail you)

I thought you HAD to have drivers side mirror and one of either interior or passenger side??

correct me if im wrong please :) ?

Grant

Author:  - Danny Boy - [ Sat Oct 17, 2009 12:00 am ]
Post subject:  Re: Re:

[quote="G-Muzzy"]Mirrors - You must have internal mirror, and one other mirror e.g drivers side wing mirror and internal mirror. (enless van or other)
So if you are missing a wing mirror you are ok. (if the mirrors are cracked this will more than likely fail you)

I thought you HAD to have drivers side mirror and one of either interior or passenger side??

correct me if im wrong please :) ?

Grant[/quote]

Your right on that.. where did this info come from? lol

Author:  mattu101 [ Sun Mar 14, 2010 7:58 pm ]
Post subject:  Re: MOT FAQ's

How about window wiper/screen washers, does it matter if they don't work, my motor has gone i think so i have a silent button.

Author:  TANGO [ Sun Mar 14, 2010 8:10 pm ]
Post subject:  Re: MOT FAQ's

are your sure its gone or could it possible just be blocked, can you hear any noise when you press the washer button?

Author:  mattu101 [ Sun Mar 14, 2010 8:15 pm ]
Post subject:  Re: MOT FAQ's

Na its dead when you press it, main fuse is fine so i thought it would be the motor.

Author:  TANGO [ Sun Mar 14, 2010 8:30 pm ]
Post subject:  Re: MOT FAQ's

oh right, only a 2min job to change it dude, spend more time getting to it. lol

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