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Forum: 450 fortwo - Technical Queries

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  1. Cam chain tension/replacement

    I have got a rattle noise that starts @3000 rpm.It happens as I change gear but is not gearbox related. Today I have been looking through the oil filler hole and found that by turning the engine over via the pulley @ every time the exhaust valve closes (seen through the plug hole) the cam sprocket...

    Started by peanut, 8th September 2018 18:08
    7 Pages
    1 2 3 ... 7
    • Replies: 63
    • Views: 1,165
    Today 13:34 Go to last post
  2. Leaking windscreens on 450's - cause Discovered?

    Discovered something veerrryyyy interesting. Cleaned the car today. Washed and leathered the outside. Did the inside. Went back outside and nicer a load of water on the scuttle under the screen. But where it it come from? Then the penny dropped. Opened the door and closed it while...

    Started by Chopper, 15th September 2018 12:07
    • Replies: 6
    • Views: 102
    16th September 2018 13:02 Go to last post
  3. Have you ever had CAN bus issues?

    Now here's a question. It would be really great to hear a few people's experiences here.. Have you ever had a CAN bus problem? If so, what was cause and what was the cure? I've got an intermittent CAN bus issue (I think). The engine stops. If I switch ignition off, into neutral, foot on...

    Started by Smartysmartface, 17th July 2018 11:23
    2 Pages
    1 2
    • Replies: 19
    • Views: 784
    15th September 2018 06:24 Go to last post
  4. Unhappy Brake issues

    Hi guys and gals. Rupert, my wifeís smart 450 has some braking issues. When braking, it seams like itís all or nothing. Not smooth or progressive. Thereís plenty of wear left on the pads and on the rear drums. Now... when you brake the handbrake light comes on and will stay on for a while...

    Started by Brindley, 13th September 2018 06:01
    brakes
    • Replies: 7
    • Views: 165
    14th September 2018 06:51 Go to last post
  5. Anyone had a leak here?

    Anyone had evidence of water ingress like in the photo? Had a good look through the fq101 and evilution stuff but can't seem to find anything in those areas. It's both sides right at the bottom of the door, running into the footwell. Quite a bit of water by the look of it. (I know these...

    Started by Karlos28, 8th September 2018 18:48
    • Replies: 9
    • Views: 182
    10th September 2018 20:14 Go to last post
  6. MB Star system recommendations?

    I've had a Delphi 150e for a while. It worked (kind of), then packed up. So I bought another one which has yet to arrive. I've been putting off the inevitable since I started with this car - I really need a MB Star setup. I need get as much help as possible with my CANbus prolem (that's another...

    Started by Smartysmartface, 29th August 2018 15:03
    mb-star
    • Replies: 4
    • Views: 206
    8th September 2018 20:59 Go to last post
  7. Tweeting

    Please could someone post a pic of their dash with the factory tweeters fitted. Iíve got the speaker upgrade in the post and Iím not sure where the tweeters should go. Many thanks! 😀 Sent from my iPhone using Tapatalk

    Started by Smartysmartface, 5th August 2018 20:44
    • Replies: 5
    • Views: 262
    5th September 2018 10:29 Go to last post
  8. Technique for changing the Front Engine Mount on a 450 anybody?

    Next job, which I have been putting off.... Done the rears - easy peasy. But the front. OMG. There's a brilliant article on Evilution, but then I looked at mine and immediately thought 'you have got to be F'ing kidding me'! If.. I had arms like 'Mr Tickle' and an E14 ratchet spanner, then maybe,...

    Started by Smartysmartface, 29th August 2018 13:54
    • Replies: 9
    • Views: 311
    4th September 2018 12:42 Go to last post
  9. Car seat cushions

    I own a left hand drive 450. The drivers seat is starting to show sign of age. I have found online a 450 right hand drive car with the same fabric pattern and in good condition. How easy is it to remove the cushions and transfer to the existing seat frame ? The frames are slightly...

    Started by Robinb, 29th July 2018 09:13
    • Replies: 5
    • Views: 279
    4th September 2018 08:32 Go to last post
  10. Rattling UJs?

    Driving over any rough ground I get a rattle from the steering which sounds horrendous. I've just changed the wishbones with new bushes and ball-joints, anti-roll bar bushes and drop-links. I've checked the track rod end joints and they see okay. I can't feel any play in the column, but the noise...

    Started by Smartysmartface, 7th July 2018 22:17
    3 Pages
    1 2 3
    • Replies: 24
    • Views: 950
    30th August 2018 13:11 Go to last post
  11. Rear x brace compatibly?

    Anyone know if the 451 rear cross brace is the same as the 450? The 451 version has 451 in the part number, so Iím not sure. Found a cheap one on eBay, which is the reason for the question 🤫 Sent from my iPhone using Tapatalk

    Started by Smartysmartface, 1st July 2018 20:21
    • Replies: 5
    • Views: 323
    29th August 2018 15:05 Go to last post
  12. Rear bump stop replacement

    Just noticed I have a bump stop floating around inside the rear spring. It looks like itís fixed to the rubber spring top and held in place by the force of the spring. Or, it could be bolted to the subframe from above and an absolute nightmare to change. Not sure which? Regards, Gordon. Sent...

    Started by Smartysmartface, 13th August 2018 10:40
    • Replies: 6
    • Views: 181
    29th August 2018 13:24 Go to last post
  13. Key fob help!!

    Hi everyone, my spare key fob isn't working so I changed the battery and still not working. I can get in by unlocking the boot manually but the immobiliser has been on and it won't start. (Used spare key for about a month but thought I should get it sorted incase anything happens to other one)...

    Started by smartie-iow, 6th August 2018 21:22
    • Replies: 9
    • Views: 320
    10th August 2018 17:15 Go to last post
  14. Rust!

    As I had the plastic trays off and the rear arch liners out today, I noticed a few rusty bits. Bugger! Whatís the best thing to do? The front jacking points have a round hole which looks like they should have a rubber bungs in. Mine are open and thereís some surface rust around the holes. More...

    Started by Smartysmartface, 3rd August 2018 23:23
    • Replies: 6
    • Views: 299
    7th August 2018 21:39 Go to last post
  15. Tailgate/boot lock

    Has anyone had a stuck tailgate lock? Im not sure if its the wrong key (only have 1) or its seized inside. It opens using the fob and the button inside. Only one of my fobs works and dont fancy getting locked out if the battery decides to die. Key will not turn. Not sure if the cars had different...

    Started by Berty981, 6th August 2018 09:46
    2 Pages
    1 2
    • Replies: 15
    • Views: 400
    7th August 2018 20:12 Go to last post
  16. 3 line problem

    Hello I have purchased a broken smart convertible year 2000. With the Zee module. The battery has been discharged. At the moment, it does not start, I have 3 lines in the gear indicator. I've started the engine by bypassing the fuel relay and the starter. engine runs fine and generator...

    Started by Freddy, 2nd August 2018 18:58
    2 Pages
    1 2
    • Replies: 10
    • Views: 426
    4th August 2018 15:34 Go to last post
  17. Steering rod clashing with anti roll bar

    Can anyone help please, I have noticed when turning the steering wheel from lock to lock there is a knocking sound and sensation. I am aware my steering UJ is seized however, when taking the front off today to see if lubrication of the UJ would work I have noticed that on both sides of the car the...

    Started by Campsea, 28th July 2018 15:59
    2 Pages
    1 2
    • Replies: 10
    • Views: 424
    2nd August 2018 13:40 Go to last post
  18. Outside temp gauge after battery change.

    I changed my battery this morning and now the outside air temp sensor which was reading in Celsius is now reading in farenheight. There is nothing in the manual about how to change this. How change ? thanks

    Started by Robinb, 24th June 2018 14:47
    • Replies: 9
    • Views: 513
    29th July 2018 09:09 Go to last post
  19. A Mystery Wire

    As I was checking the spark plugs the other day, as you do. I had the rear panel and crash bar removed. Previously, I had noticed a white wire floating around on top of the engine previously, it was neatly folded and taped to the intercooler pipe with its spade connector neatly taped up. With the...

    Started by Smartysmartface, 19th June 2018 13:00
    • Replies: 1
    • Views: 231
    17th July 2018 12:33 Go to last post
  20. starting problem

    please can somebody please help I've a problem with my wife's smart fortwo it wont start the problem started with a flat battery which I started via jump leads when leads where disconnected the car cut out and will Not start no engine turn over when the ignition is turn on the dashboard shows a...

    Started by briden, 15th June 2017 19:43
    3 Pages
    1 2 3
    • Replies: 22
    • Views: 3,151
    16th July 2018 17:08 Go to last post

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