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  1. #1
    Join Date
    Jan 2019
    Location
    Cambridge (ish)
    Posts
    273

    Default Pulley noise / Aux belt noise SMART FORTWO 1.0 84 GRANDSTYLE Coupe

    Chewing over a 451 from 2014 with 44,000 on the clock, a bit untidy, scratched up panels
    there is (as per title) noise, ..haven't seen the car yet but that is how the AA report comes across.

    Nope, it isn't an MHD (inputted the reg for details) as requiring "some" attention.

    Any remote guesses as to what it is best thru to worst...

    Also any input on how this handles motorway wind buffeting compared to other models, I cant really say we've driven the 450 in extreme weather but obviously the 451 differs quite considerably.

    Cheers
    Smart (450 city coupe 0.7 pulse) 2003 "vintage" 45KW / 61 HP (M160/1)
    450 0.7 Brabus "Red A" 55.2KW / 74 HP
    E.V. Owner (Nissan leaf)
    E-Biker
    17 snowboards (ish)
    Bitter drinker (not bitter)
    Cheapskate, Skateboarder,
    Old enough to know better.

  2. #2
    Join Date
    Oct 2017
    Location
    Bury Lancs
    Posts
    215

    Default Re: Pulley noise / Aux belt noise SMART FORTWO 1.0 84 GRANDSTYLE Coupe

    Quote Originally Posted by Mr Gus View Post
    .....
    Also any input on how this handles motorway wind buffeting compared to other models, I cant really say we've driven the 450 in extreme weather but obviously the 451 differs quite considerably.

    Cheers
    Compared with a Roadster 452, a 451 is horrible in stormy weather. Not the car you'd want to travel very far on the motorway in a storm .... fortunately my commute only has 2 miles of motorway.

    mine is a Grandstyle 84 too

  3. #3

    Default Re: Pulley noise / Aux belt noise SMART FORTWO 1.0 84 GRANDSTYLE Coupe

    Without hearing the noise it could be a worn out aux or aircon belt or bad waterpump, tensioner, alternator or aircon clutch bearings. If the alternator uses an overrun pulley it could also be that, though I don't think this model does. Could even be something as simple as an incorrectly fitted belt (i.e. not all ribs engaged on the pulley), through I'd have hoped even an AA guy could spot that.

  4. #4
    Join Date
    Sep 2016
    Location
    Burnley
    Posts
    673

    Default Re: Pulley noise / Aux belt noise SMART FORTWO 1.0 84 GRANDSTYLE Coupe

    451 is better than a 450 in wind.

  5. #5
    Join Date
    Oct 2017
    Location
    Bury Lancs
    Posts
    215

    Default Re: Pulley noise / Aux belt noise SMART FORTWO 1.0 84 GRANDSTYLE Coupe

    Quote Originally Posted by Mjolinor View Post
    451 is better than a 450 in wind.
    I'm glad I don't have a 450 then ..... the 451 will easily move half a lane in the wind. Maybe I'm too used to driving BIG cars

  6. #6
    Join Date
    Jun 2005
    Location
    Aberdeenshire
    Posts
    2,131

    Default Re: Pulley noise / Aux belt noise SMART FORTWO 1.0 84 GRANDSTYLE Coupe

    My diesel 450 Cabrio is remarkably stable in side wind. Also comfortable ride and hardly any audible engine or road noise.

  7. #7
    Join Date
    Oct 2017
    Location
    Bury Lancs
    Posts
    215

    Default Re: Pulley noise / Aux belt noise SMART FORTWO 1.0 84 GRANDSTYLE Coupe

    Quote Originally Posted by tolsen123 View Post
    My diesel 450 Cabrio is remarkably stable in side wind. Also comfortable ride and hardly any audible engine or road noise.
    I think we must both have differing yard sticks .... there are far quieter, more comfortable & stable cars than a Smart of what ever flavour. They were intended for town work ... not motorway cruisers.

  8. #8
    Join Date
    Jan 2019
    Location
    Cambridge (ish)
    Posts
    273

    Default Re: Pulley noise / Aux belt noise SMART FORTWO 1.0 84 GRANDSTYLE Coupe

    Quote Originally Posted by mikerj View Post
    Without hearing the noise it could be a worn out aux or aircon belt or bad waterpump, tensioner, alternator or aircon clutch bearings. If the alternator uses an overrun pulley it could also be that, though I don't think this model does. Could even be something as simple as an incorrectly fitted belt (i.e. not all ribs engaged on the pulley), through I'd have hoped even an AA guy could spot that.
    Any ideas of "garage" estimates ballpark etc.. for any of those!? 🕵👍
    Smart (450 city coupe 0.7 pulse) 2003 "vintage" 45KW / 61 HP (M160/1)
    450 0.7 Brabus "Red A" 55.2KW / 74 HP
    E.V. Owner (Nissan leaf)
    E-Biker
    17 snowboards (ish)
    Bitter drinker (not bitter)
    Cheapskate, Skateboarder,
    Old enough to know better.

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