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Forum: 454 forfour - 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. 1.3 Passion - Air Conditioning not working

    Hi there - my 1.3 passion air conditioning stopped working (it stopped a while ago, but never bothered looking), so I brought the car to a local aircon specialist and after running the diagnostics, both the AC Compressor and condenser needs replacing, including labour is around 950 or so. He...

    Started by ID01, 23rd June 2018 09:58
    aircon, forfour
    • Replies: 6
    • Views: 19,103
    26th July 2018 18:31 Go to last post
  2. 05 1.3 passion manual gearbox, engine stutter and horrible steering issues.

    Hi Folks. New member here. So the garage says 'your engine is fine - 50 please' there is nothing wrong with it - It take the car - 30 miles down the road it missfires... ---- I recetly purchased this 1.3 forfour from a local car sales place with 84 thousand miles and no service...

    Started by JayKay3000, 6th May 2017 12:16
    • Replies: 4
    • Views: 14,481
    15th May 2017 23:11 Go to last post
  3. 1.3 Passion - lately very noisy!

    My Smart 1.3 Passion forFour suddenly (last few months) got really really really noisy. It's almost as sitting on an airplane. The noise seems to happen when driving at 55mph+, below 30mph is usually quiet. Even when driving at 55mph+, the noise is intermittent and sometimes goes away. Car is...

    Started by ID01, 14th April 2017 09:21
    • Replies: 2
    • Views: 11,522
    14th April 2017 21:14 Go to last post
  4. Gear Sticking Problems

    hi everyone! hope someone can help or maybe link me onto an appropriate thread on here! i have a 1.5 for four with MANUAL gear box, recently the car on some occasion refused to go into first gear, i literally have to force it into gear, shifting down from 5th to 4th to 3rd is sometimes "cruncy",...

    Started by mattjohn, 17th November 2016 09:07
    gear changes manual box
    • Replies: 8
    • Views: 22,016
    27th March 2017 10:48 Go to last post
  5. 1.3 Passion - Throttle Body needs replacement?

    Just looking for some advice on my Smart car, the engine warning light keeps going on and off and occasionally I am experiencing some loss of power and the car doesn't seem to accelerate any faster than 20mph. Turn off and back on and usually it resolves the problem. Other than that, car is...

    Started by ID01, 10th January 2017 17:56
    3 Pages
    1 2 3
    • Replies: 23
    • Views: 39,137
    27th March 2017 10:42 Go to last post
  6. Smart forfour 1.5 semi auto gear problem 2005 model 55000 miles

    I have owned my car for 5 yrs with no problems, but over the last couple of weeks I have a problem that seemed to start after I unintentionally drove through a deep pot hole which I was lucky enough not to break the suspension. I can't figure it out so I hope that you can help. When the car is...

    Started by f1fill, 20th February 2017 19:15
    • Replies: 4
    • Views: 13,706
    27th March 2017 10:30 Go to last post
  7. Forfour parts from different types of Smarts

    Hello, good people! Can any expirienced of you tell me, if body parts from any of three Forfour types from any year (04-06) fit on different type/year. Is front right fender for diesel 1.5/2006 same part as right fender of 1.3/2004? Thank you very much!

    Started by kox, 8th March 2017 22:47
    • Replies: 3
    • Views: 11,835
    27th March 2017 10:17 Go to last post
  8. Fuel gauge/sensor problem

    Greetings! Fuel gauge has stucked at two bars, so car went out of gasoline on highway. When refueled with emergency 5 litres, it has showed 2 bars again, altough it should have been showing Reserve (5L). As i refueld on gas station, it showed real 4 bars status. What is going on, what do you...

    Started by kox, 23rd March 2017 21:25
    • Replies: 2
    • Views: 11,159
    27th March 2017 10:12 Go to last post
  9. Newbie owner of Smart forfour 454 2005 Pulse 1.3 Pulse semi-auto

    Good morning! I'm a new Smart owner and really enjoying it so far :) I have a few questions that maybe you kind people can help me with. 2005 Pulse 1.3 semi-auto, 33k, only one documented service at 13k in 2011. Engine oil, filters, brake pads and aux belt changed Feb 2017. I bought it...

    Started by cheapshots, 6th March 2017 08:26
    454, gearbox, noise, pulse
    • Replies: 2
    • Views: 11,719
    6th March 2017 11:38 Go to last post
  10. Cool Lambo Doors on a 454

    Just thinking on the surface.. Will a lambo door works or practical on a 454?

    Started by kenchin1974, 2nd November 2016 03:22
    • Replies: 3
    • Views: 13,005
    3rd November 2016 00:52 Go to last post
  11. Engine Knocking

    Just taken in a Smart Forfour 1124cc, at idle speed slight noise evident, when engine speed increased (vehicle at rest) a knocking noise is audiable, like a spanner being tapped on a metal radiator. Sounds like a big end bearing failure.Is it a major job to tackle? miles 105,000 miles or maybe a...

    Started by THEMONT, 8th May 2015 23:18
    • Replies: 3
    • Views: 15,937
    19th September 2016 11:05 Go to last post
  12. Smart ForFour 454 Centre Dash Air Vents

    Hi.. First post on here. So basically, I've just ordered two new centre dash air vent units (above the radio) and I'm looking for any advice on how to remove the old and fit the new units. Thanks for your time, Any help appreciated.

    Started by Rjkennedy, 8th March 2016 13:49
    454, air vents, fitting, forfour, smart
    • Replies: 5
    • Views: 20,575
    28th August 2016 11:21 Go to last post
  13. I need to replace rear plexiglass glass quarter windows

    Can anyone please explain Or link me to engineer Instruction on how to replace my plexiglass on driver and passenger Side as both scratched And I can have 2 new pieces with a much darker tint cut to size If I can remove existing. Many thanks Its a 2006 forfour coolblue UK car 1.3...

    Started by LoveMyForFour, 19th August 2016 10:14
    2 Pages
    1 2
    • Replies: 14
    • Views: 31,585
    26th August 2016 17:29 Go to last post
  14. Looking to fit a Double din unit in my 2006 For Four Cool blue 1.3

    So I just want a more interesting Entertainment system in my smart. Gps.sat nav.USB port.SD reader ect. Lots of bright colours and all looking Good in the middle. Sound quality is not the end result as I am not changing speakers just want a fun unit. DOES ANYONE have experience with just ...

    Started by LoveMyForFour, 23rd August 2016 22:30
    • Replies: 4
    • Views: 14,993
    24th August 2016 02:42 Go to last post
  15. Clearing the Leaf & Twig Collector.

    I am not sure if this is ever documented in here before. I park my 454 outdoors and i do prefer under the tree, shady and keeps the car cooler (thanks to the perspex roofing). Leaf and twigs and nuts or what sorts tends to get stuck under the panel (where the Windshield Water Outlets are...

    Started by kenchin1974, 16th March 2016 01:08
    • Replies: 4
    • Views: 15,616
    22nd August 2016 02:10 Go to last post
  16. 454 Double Din fascia to single + cubby

    The time has come to extract the current original satnav unit which eats CD's for breakfast/lunch/dinner :( Plenty of reasonable head units around but most are single DIN and I'm looking for a fascia that allows the cubby hole underneath - any suggestions anyone as I'm going blind searching for...

    Started by k3lvc, 14th July 2016 17:14
    • Replies: 1
    • Views: 11,876
    14th July 2016 20:08 Go to last post
  17. forfour paddleshift issue

    I am maybe wrong to ask in someone elses thread, i own a 454 and the Paddle Shift - is not working. Anyone knows a quick way to remove it and check the contact? The + is working fine.

    Started by kenchin1974, 7th June 2016 02:52
    • Replies: 8
    • Views: 22,434
    27th June 2016 09:47 Go to last post
  18. forfour radio replacement

    I want to replace the standard smart radio six with a modern Bluetooth radio. How do I remove the existing unit ?

    Started by Mal.p, 15th June 2016 21:16
    • Replies: 1
    • Views: 12,450
    15th June 2016 22:03 Go to last post
  19. Rear shocks and front pads

    After having the forfour a few weeks, this weekend I had a bit of a check around. One rear shock is leaking so I've been looking at prices and there is a pair of Monroes on ebay for a good price but in the fitment detail it says "standard ride height only, not for cars with increased ground...

    Started by Blueskev, 23rd May 2016 10:03
    • Replies: 7
    • Views: 22,656
    23rd May 2016 19:54 Go to last post
  20. Electric Door Motor Unit

    My 454 decides to quit winding up after me putting a ticket into the parking barrier machine. What's worse, it started to rain with light drizzle. Tried many ways to pull it up but it was way down the door. Had to seek shelter at a nearby petrol station. Here's what i got after taking off the...

    Started by kenchin1974, 16th March 2016 00:49
    • Replies: 7
    • Views: 20,844
    22nd April 2016 03:16 Go to last post

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