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Found 2 results

  1. Well, my Fortwo suffered from the dreaded alternator belt slip since I purchased it. I couldnt wait long listenening to it every time id fire the car up. I learnt early that a new pulley was tough to find and usually resulted in purchasing a new alternator. Really not practical when one small component needed to be swapped. I was tempted to make a new pulley on the Lathe but opted for a quicker alternative. I did some searching and came across a post made by @tolsen on the use of a decoupling pulley. I wasn't able to find the exact pulley used but after some more researching I was able to source a pulley from a 2000 Volvo S70 2.3L L5 Turbo. Below is the stock pulley As you can see, the aluminum pulley is showing horrible signs of wear. Each tip has multiple grooves in it. I do like that its lightweight but its not made to last a long time and should be a readily available part at a good price but it is not. And the new Volvo de-coupling pulley beside the old setup. You will notice the new pulley is a lot more involved. In simplest terms the pulley will engage/lock when on the throttle and the belt speed is higher than the current rpm of the alternator pulley. As soon as the belt speed decreases below the pulley rpms the pulley begins to free-wheel. This decreases load on the belt and, in turn, the engine and apparently it will reduce up-shift time. I did not time the upshifts before fixing the pulley but it might have increased slightly. As noticed above the pulley wasn't a perfect fit out of the box. For one, its a 6 rib belt, not a huge deal as you can pick either the top 5 ribs or the bottom 5 ribs to use your belt on. The main concern is that none of the ribs lined up. I was able to easily press the inner race and shift it slightly to align the ribs perfectly. Much better alignment. The photo shows it being off but from my measurements at the time it was perfect. Beautiful new pulley installed and ready to go. I was lucky to grab this pulley off RockAuto for only 50 bucks Canadian! You'll notice it comes with a top cap or outer cap, this is to help protect the bearing. And finally installed back in the car. I've been running this setup for a good few weeks now without issue. The belt is running great. Very happy with the results and the price of the pulley. Has anyone else ran a de-coupling pulley?
  2. I am a long term owner of multiple Smart Cars. On one of my current cars, I do have a factory bike rack, but was told by more than one dealership they are now made from “Unobtainium” and not available for my daughter’s car. (They are also not to be found on the used market) I know many folks who have a similar desire to put a bike rack on their Smart Car, so I post this for your interest. The good news is I found a solution that is simple, quick, reasonably priced and uses the same bumper mounting holes as the factory rack. 2x2 Cycles with its Founder Garrett Blake have produced many very clever designs out of their North Carolina facility and have been making these Smart racks for years. The rack is $189 US for a single and $279 for a double rack. The rack fits 2005 Smart Fortwo through to about 2017, whenever MB changed the rear mounts this rack uses.