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Forum: 451 fortwo - Technical Queries

Got a technical query? View this Forum first to check on Technical Queries past and present. ALSO see our DIY smartsheets available via our home page.

  1. Servicing Advise

    At my last service I had the following done... http://i66.tinypic.com/25hctoh.jpg I'm now on 17,700 or so mileage, what should I have done at the next service which will be in Jan/Feb 2018. Spark Plugs? Air Filter? I should probably have the brake fluid changed as it will be 2 years since...

    Started by nlel, 12th June 2017 13:54
    5 Pages
    1 2 3 ... 5
    • Replies: 46
    • Views: 2,321
    15th December 2017 15:59 Go to last post
  2. Anyone tell me please

    hello I can not see anywhere where this pipe is suppose to terminate, but it does go somewhere, when the engine running it is loosing the vacuum generated by the pump for the brakes and egr etc, the the end of the pipe is badly cut like its broken off something rather than a nice clean factory...

    Started by martininkent, 5th December 2017 23:29
    • Replies: 2
    • Views: 110
    6th December 2017 21:48 Go to last post
  3. 451 cabrio 1.0 turbo petrol. Fuel pressure regulator

    Hi , can anyone tell us where on the engine is the fuel pressure regulator on a 2008 451 cabrio 84bhp 1.0 turbo. Thanks

    Started by casper958, 25th November 2017 21:45
    • Replies: 0
    • Views: 137
    25th November 2017 21:45 Go to last post
  4. door locking actuator diagram

    Hello there . Does anyone have the pinout diagram for the door locking actuator ? thanks in advance

    Started by steliosg, 21st November 2017 16:13
    • Replies: 0
    • Views: 117
    21st November 2017 16:13 Go to last post
  5. What exactly are these?

    So just what is a fuel filter, combination filter and Poly-V-belt? http://i66.tinypic.com/25hctoh.jpg

    Started by nlel, 8th November 2017 14:02
    4 Pages
    1 2 3 ... 4
    • Replies: 38
    • Views: 1,307
    13th November 2017 18:23 Go to last post
  6. Cabrio roof that thinks it's a sunroof!

    Hi all, My Cabrio roof has developed a fault....Wondering if anyone has any ideas. When I viewed the car before buying, the roof worked fine....When I got the car home for the first time, I lowered the roof completely, removed the spars, and stowed them in the bootlid, in order to show my...

    Started by 451CabBaz, 14th April 2017 19:57
    • Replies: 7
    • Views: 1,851
    4th November 2017 17:17 Go to last post
  7. Reserve Fuel

    Does anyone know how much reserve fuel a 451 holds and does it only go onto the reserve when there is less than one fuel bar remaining?

    Started by nlel, 21st October 2017 10:21
    • Replies: 2
    • Views: 403
    22nd October 2017 16:50 Go to last post
  8. Brake light switch re-setting advice please

    It's been a while since anything has needed doing to my 451 but now I have the well documented possible brake light switch failure. Having trouble selecting 'N' 'R' and '1' etc., brake lights not coming on very consistently and ABS warning light and ! triangle staying on. So I'm being optimistic...

    Started by nomen usoris, 11th October 2017 19:35
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 1,002
    15th October 2017 21:29 Go to last post
  9. Bonnet Alignment

    I noticed the right side of my bonnet wasn't seated flush with the body panel... I mean here: http://i67.tinypic.com/fvgt2o.jpg and here: http://i63.tinypic.com/msy9fr.jpg I checked out other Smart cars and some were the same some weren't. So I made a concerted effort to align it...

    Started by nlel, 30th September 2017 17:08
    • Replies: 1
    • Views: 401
    13th October 2017 09:24 Go to last post
  10. Brabus tyres?

    Does anyone have any other preference to the standard Yokohama tyres on the rear of a 451 brabus. The size of 225/35/17 seems rather unpopular and therefore not much choice. Thanks in advance

    Started by Ibisti, 11th October 2017 21:20
    • Replies: 2
    • Views: 307
    12th October 2017 09:08 Go to last post
  11. Anyone know where this goes (451 ForTwo)?

    4181 I've just had the lower windscreen moulding off to get at the wiper arm nuts to reposition one of the wipers. All went fine and it's back together again and working. But... I then found this little bush under the front of the car and assume its something that fell off when I was...

    Started by bobkoytc, 8th June 2017 16:46
    • Replies: 2
    • Views: 746
    1st October 2017 15:04 Go to last post
  12. ESP and ABS lights, + Hill Start Assist not working

    On my 2012 For Two Cabrio (84) the ESP and ABS lights are not going off, and the Hill Start Assist is not working. Any ideas where the problem is (I don't have a fault reader)

    Started by anotherbob, 14th September 2017 13:23
    2 Pages
    1 2
    • Replies: 12
    • Views: 796
    19th September 2017 13:17 Go to last post
  13. Unhappy Air con not working and it's 43c outside!...

    ...Well, it was 43c here in Malta last week, honest! So, been very quiet on here for some time and my 10 year old Celerity (the 451 I bought at the end of 2007) is struggling on into her "retirement" being baked in the harsh sun in Malta... 116k on the clock so far, just so you know... Ok...

    Started by andrewh1973, 5th July 2017 07:23
    2 Pages
    1 2
    air conditioning
    • Replies: 18
    • Views: 1,863
    18th September 2017 07:31 Go to last post
  14. Stock boost for 1.0l turbo?

    Just got a 2009 smart fortwo, what is the stock boost for the 1.0litre turbo? Im only getting 4-6 psi reading it from a obd2 reader. Thanks

    Started by Feenal, 1st September 2017 08:18
    • Replies: 2
    • Views: 497
    4th September 2017 02:16 Go to last post
  15. Stuck in Neutral

    So put my car into N started the engine and let it roll back gently down the slope I was parked on. Tried to put it into R but nothing it stayed in N then tried to put it into 1 again nothing stayed in N. Ended up switching off engine and restarting and after doing this it started behaving...

    Started by nlel, 25th December 2016 06:42
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 7,652
    27th August 2017 16:04 Go to last post
  16. Question 451 Standard Immobilser / Thatcham Approved ?

    Good Afternoon. Just attempting to get comparison renewal quotes for my ForTwo 451 model year 2012. One of the first questions that has come up is "What type of alarm and/or immobiliser does your car have?" My car doesn't have the Anti-theft alarm system (which was a £210 optional extra,...

    Started by TINYTOT1, 13th August 2017 16:21
    alarm, immobiliser, thatcham
    • Replies: 4
    • Views: 579
    17th August 2017 00:43 Go to last post
  17. Question Parking sensors not working.

    I have a Smart ForTwo 451 2012 (Passion) The previous owner had front and rear parking sensors fitted to the car, the work was carried out via a Volvo dealership in 2013. The front sensors are activated via speed sensor, so once the carís speed drops below 5Mph the system Ďarmsí and an audible...

    Started by TINYTOT1, 27th May 2017 05:49
    parking sensors
    • Replies: 4
    • Views: 1,020
    13th August 2017 15:30 Go to last post
  18. Problem with charging system/alternator

    Hi All, This problem has been posted before but there was no definitive answer to that thread and I have the exact same problem. On closed throttle the system is charging the battery at 14.2v but as soon as the throttle is opened this drops to 12.6v (give or take) close the throttle and it's...

    Started by pevil, 23rd July 2017 12:12
    • Replies: 7
    • Views: 801
    28th July 2017 07:03 Go to last post
  19. Post 3 lines on speedo wont start, and ecu problems

    hello everyone...i really hope someone can help..........problem started(very near home)was in second gear (maybe 3rd)and suddenly went into N ...not able to change gear from N.ok bought a new battery(old one was OLD) reconnected battery and found the 3 lines on speedo. I tried to get rid of...

    Started by wjonjo, 11th July 2017 15:38
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,601
    23rd July 2017 18:24 Go to last post
  20. Smart fortwo cabrio speedo problem

    Hi Everyone, We are new to Smarts - we have just bought a 2010 ForTwo cabrio 1.0 Petrol. Everything drives fine, starts fine and works ok apart from the speedo... The analog needle is in MPH and without the key in sits at 25mph, at idle goes up to 30mph.

    Started by MMC, 23rd July 2017 12:04
    • Replies: 0
    • Views: 462
    23rd July 2017 12:04 Go to last post

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