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Forum: 450 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. 450 Driveshaft Removal

    I need to remove the rear driveshaft on my 450 smart to install a new wheel bearing. Is the big long bolt that goes into the drive shaft a 'one use' bolt that has to be replaced? Also i need to change a front wheel bearing, is the big bolt that goes through the wheel bearing into the front...

    Started by Campsea, Yesterday 10:56
    • Replies: 3
    • Views: 58
    Yesterday 20:26 Go to last post
  2. Question 599cc ZEE diagnostics

    Hi folks, I have a 2002 599cc Smart with ZEE unit rather than SAM. I've seen talk of these Delphi DS150-E things that allow diagnostics, clutch adjustments etc. Do they work with the 599 Smart or is it just for the later 698 cars? Cheers.

    Started by jonus, 18th July 2017 09:03
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,219
    10th October 2017 12:36 Go to last post
  3. Ooops.....

    I went to adjust the clutch on my 2002 car using the ds150e on 2003 model as suggested by a contributor. Until it was too late i didnt see I had reset the gearbox. Now car is dead with 3 bars. Can this be reset with Star? No option on ds150 for any reset on 2002 model.

    Started by dede468, 9th October 2017 08:25
    • Replies: 6
    • Views: 181
    9th October 2017 21:46 Go to last post
  4. rattle low frequency whirling noise from engine

    Few days ago car started making a rattling noise from rear of car. Thought it might be exhaust but does not appear to be the source. I can hear it when its ticking over and driving. Car drives fine but does not sound happy. I have read elsewhere it might be one of the springs on the...

    Started by Robinb, 24th August 2017 20:21
    2 Pages
    1 2
    • Replies: 19
    • Views: 932
    28th September 2017 05:19 Go to last post
  5. brakes coming on with no pedal

    Every now and again, I think in the main when going round a rough corner, one of the brakes come on. There is no pedal press and there was no warning light. Is this antilock braking or ESP sensing something? The car was not driven hard on any of the occasions. Has anyone else had this problem or...

    Started by Philwozza, 2nd September 2017 15:31
    3 Pages
    1 2 3
    • Replies: 23
    • Views: 1,036
    25th September 2017 07:56 Go to last post
  6. Alternative Lambda sensors any good?

    MOT failure on Lambda reading. (1.12 lowest it got to) City Pure 0.7 petrol Smart quoting £105 for each lambda sensor and need to order in. Euro Car Parts do a HAAS sensor for £68 (INCL 30% DISCOUNT) Anyone know if these are any good? ps - tried the italian tune-up and the cataclean and...

    Started by Squat, 23rd August 2017 15:07
    • Replies: 9
    • Views: 577
    13th September 2017 14:04 Go to last post
  7. MOT loometh

    Well this next month I have to go through everything to get the car ready for the MOT, I suspect the front right wheel bearing is on its way out and I shall service the engine and brakes and fit some front tyres but otherŵise I think it should get through fine. Any suggestions on which brand wheel...

    Started by Buckster, 26th August 2017 10:17
    • Replies: 0
    • Views: 176
    26th August 2017 10:17 Go to last post
  8. Gaskets on a 450 CDi

    Hey Everyone! I've managed to secure a turbocharger and a exhaust for my 2001 CDi and have a fitting kit that comes with new studs, copper nuts, washers, a syringe of oil and a whole host of gaskets. Am I correct in thinking that these are all dry gaskets given the heat from the...

    Started by Ocracoke, 23rd August 2017 13:41
    • Replies: 5
    • Views: 296
    25th August 2017 16:26 Go to last post
  9. Rough sound at all engine speeds - alternator/water pump? Ideas?

    So I started with a cracked exhaust manifold that I have been able to fix with ThermoSteel and seems to be holding up well. Now that noise has gone I have a groaning noise that sounds like a knackered bearing from the right hand side of the engine - I am suspecting that it might be alternator or...

    Started by steveclv, 25th August 2017 09:44
    auxilliary, bearings, belt, noise
    • Replies: 3
    • Views: 243
    25th August 2017 10:13 Go to last post
  10. Ecu issue 2006 fortwo

    Do these ecus store hard faults that can't be erased with general diagnostic. The issue I have is I had 3 bars on the dash so to cut a long story short thought it must be ecu related. Changed ecu Sam unit and cluster from a breaker and all fine again. Till today when it couldn't select a gear so 3...

    Started by Markkilburn, 21st August 2017 19:11
    • Replies: 7
    • Views: 374
    22nd August 2017 09:41 Go to last post
  11. Early 450 Engine Mounting

    Hi, Sorry if there are already post on this but I couldn't find one. I have a 450 2002 model with the "cylindrical" engine mounting at the front. I bought it knowing there were rattles on rough ground and suspected the front engine mounting but assumed it would be the one which looks like...

    Started by dede468, 22nd July 2017 14:28
    • Replies: 6
    • Views: 551
    21st August 2017 11:30 Go to last post
  12. 450 Smart Cabrio Broken Roof Wind Deflector Thing...

    See attached photo, I don't know how but the wind deflector thing is broken, does anyone know where I can get one or if it is or is not worth replacing. I don't know what it is called so I can't order one...

    Started by Campsea, 19th August 2017 16:55
    • Replies: 7
    • Views: 371
    20th August 2017 13:51 Go to last post
  13. Smart 450 Roof Leaking- How do I fix?

    I have a 450 City Passion with sunroof. The problem obviously occurs when it's been raining and the water collects in the roof so when driving quite a lot of water can leak out. As someone who doesn't really know anything about cars, I would assume I'm not the best person to fix this haha, but...

    Started by JazzySmartCar, 15th August 2017 21:53
    450, city passion, diy, fix, leaking roof
    • Replies: 7
    • Views: 478
    16th August 2017 21:23 Go to last post
  14. 3 bars on dash 2006 0.7t

    Have fault codes p2035 and p2036 permanent, I've changed every gearbox sensor with one I know work from another car but it still won't reset the fault codes. Loosing the will to live now. I've had the gearbox loom out to check for any breaks and found nothing. Any ideas to try.

    Started by Markkilburn, 9th August 2017 17:19
    • Replies: 7
    • Views: 447
    10th August 2017 21:29 Go to last post
  15. No throttle when esp triangle comes on

    Hi guys when I first start my smart I can rev the engine, but after a few seconds the esp triangle comes on and then it cuts all power so can't be revved. It's like it's going into some safety mode. If I switch off and start car again it's fine till the esp triggers after a few seconds. I've...

    Started by Markkilburn, 29th July 2017 09:13
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 1,150
    10th August 2017 08:10 Go to last post
  16. 450 electrical diagram

    Does anyone know of a wiring diagram online for the 450? Any help would be appreciated

    Started by dede468, 4th August 2017 13:26
    • Replies: 5
    • Views: 496
    7th August 2017 15:55 Go to last post
  17. radio and power socket dead

    My 12v power output and radio do not work at all, everything else is good, its a 56 plate passion. I have checked the manual but is unclear which fuse I should check. I know most people may say get down there and check them all but I am a but rickety and have a bad back. I need to do the job just...

    Started by Philwozza, 24th July 2017 18:39
    • Replies: 6
    • Views: 554
    5th August 2017 12:21 Go to last post
  18. 599cc Zee units again

    Have I missed something? I understood that neither the Zee or the Sam were programmable? I took these snippets from an article called "How to reboot a Smart Car": Quote: the ignition key can not be removed from the car without the central locking going into a sort of ‘possessed dance’...

    Started by dede468, 4th August 2017 15:35
    • Replies: 0
    • Views: 194
    4th August 2017 15:35 Go to last post
  19. Thumbs down Help needed from a long way away

    Hi all, I have a 2002 Smart 450 with Zee unit. The basics of this problem have probably been posted many times here but my problem is that I am living in Batumi in Georgia and there are no Smart dealerships here. A couple of weeks ago my car started flashing the indicators when I locked or...

    Started by dede468, 16th July 2017 08:18
    8 Pages
    1 2 3 ... 8
    • Replies: 71
    • Views: 2,370
    4th August 2017 12:05 Go to last post
  20. Slow starting - and it's driving me insane...

    Good people of the forum, I have a problem that's driving me nuts. I have a 2000 LHD 450 owned from new with 18k on the clock. Over recent years, it has become very reluctant to start. It's had new batteries (five at the last count) and had the alternator changed last year in an attempt to sort...

    Started by WeymouthWheels, 3rd August 2017 18:01
    450, problem, starting
    • Replies: 4
    • Views: 331
    4th August 2017 09:16 Go to last post

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