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Premium Mod Lowering The Engine – 451451 Fortwo

This page covers tipping the engine to gain access to the pulleys and full lowering of the engine. Tipping The Engine As with other smarts, the access to the pulleys is restricted but tipping the 451 engine is a bit more tricky. Place a jack under the gearbox and...

Premium Mod 451 CDI 54bhp Sensors451 Fortwo

54bhp CDI - The Over-Engineered Pain In The Arse The 45bhp CDI engine was reliable and efficient, however, due to the Euro 5 emissions standards coming into force, smart had to make changes. They added a DPF (Diesel Particulate Filter) which removes the particulates...

Premium Mod 451 Driveshaft Seals451 Fortwo

If you look at the driveshafts where they exit the gearbox and notice oil everywhere, your driveshaft seals are crap. These seals are a lot more important on the 451. I'll explain the reason this later. Firstly you'll have to remove the driveshafts. Use a pry bar or...

Premium Mod 450 Fuel Injector Removal450 Fortwo

Warning Fuel injectors are connected to fuel pipes. Fuel can set you on fire and make your day miserable. No smoking, lighting farts or juggling flaming batons whilst you are doing this. It is important that you do NOT have the keys in the car. If the ignition gets...

Premium Mod Roadster Fuel Injector Removal452 Roadster

Warning Fuel injectors are connected to fuel pipes. Fuel can set you on fire and make your day miserable. No smoking, lighting farts or juggling flaming batons whilst you are doing this. It is important that you do NOT have the keys in the car. If the ignition gets...

Premium Mod Gearbox Removal450 Fortwo452 Roadster

Why remove the gearbox? Maybe you want to change the clutch, maybe your gearbox is fucked.

Normal Mod Seized Alternator450 Fortwo452 Roadster

On the 450 fortwo and the Roadster, due to the open design and the placement of the alternator, if you drove your car in wet conditions and then left the car standing for a few weeks, there is a chance it won't start. This is because water gets in and creates rust and...

Premium Mod 450 fortwo Belt Change450 Fortwo

This page covers the AC belt and alternator/water pump belt. Air Conditioning Belt Look at the right hand side of the engine. It's not easy to see. Find the tensioner pulley wheel. Use a Torx45 bit to loosen the screw arrowed in the photo below. Push the pulley wheel...

Premium Mod Crankshaft Rotation Sensor450 Fortwo452 Roadster

The crankshaft is what the pistons are attached to. The crankshaft sensor measures the rotation of the crankshaft (and therefore the position of the pistons) so the ECU knows when to inject petrol and to fire the spark plug.

Premium Mod 45bhp CDI EGR Clean451 Fortwo

Diesels are dirty engines, they are noisy but they are efficient. However, if they can't breathe then you aren't getting the best from the engine.

Premium Mod 451 Engine Mount Change451 Fortwo

The 451 engine mount suffers badly from wear which allows too much engine movement, swapping it is very easy.

Normal Mod 451 CDI AC Belt Change451 Fortwo

Changing the air conditioning belt on the diesel isn't the same as the petrol model, they didn't put a pretensioner on that belt for you to loosen to enable the belt to just pull off. However, the alternative is actually easier and doesn't require you to retention the belt correctly afterwards.

Premium Mod Petrol 450 Engine Mounts450 Fortwo

This is how to change the 3 engine mounts on the petrol 450 fortwo (600cc and 700cc). Side Engine Mounts Remove the bolts from the X-frame on either side and remove it from the car. You can just undo the top bolts and pull the x frame down to get some clearance...