Reasons not to buy a First gen smart fortwo, #450

"Mercedes Streeter" (smart) 02/14/2019 at 20:20 • Filed to: wrenching, Smart

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If you own a first generation W450 and live in an area where it happens to rain (forget about snow) and you park outside, start the car at least once every week or else...

Your alternating boi will seize because of rust. Yes, the pulleys in a first gen smart will rust away extremely quickly. This is yet another common smart problem.

Thankfully, unlike the ABS rings this design changed when the 451 came around...

Are there any easy methods to clear the rust/seize? Changing the bugger requires dropping the engine a few inches, because of course it does.

Sovande > Mercedes Streeter 02/14/2019 at 20:23

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Pb Blaster. 

BaconSandwich is tasty. > Mercedes Streeter 02/14/2019 at 20:26

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Any chance of putting Evapo-rust in a spray bottle and spraying it in place ? I’m not sure what it would do to the rubber belt, though.

boredalways > Mercedes Streeter 02/14/2019 at 20:33

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Free-All

Mercedes Streeter > BaconSandwich is tasty. 02/14/2019 at 20:33

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Evapo-rust can fit! I'm not too worried about the belt. That can be changed without lowering the engine (thank heavens).

Svend > Mercedes Streeter 02/14/2019 at 21:34

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You need some Bilt Hamber Atom Mac.

Spray onto bare metal surfaces, brake discs, etc... after washing and it vas tly reduces the amount of rust.