This is the starter motor removed from the car. Actually removing it is a terrible job. Annoyingly, it's rarely the starter motor that fails so removing it is usually unnecessary. So, if you go to start the car and you only hear a click from the fuse box, you have a...
Smartmods
for all your modding needs, recommended by Evilution
News
450 Starter Motor Fix
This is the starter motor removed from the car. Actually removing it is a terrible job. Annoyingly, it's rarely the starter motor that fails so removing it is usually unnecessary. So, if you go to start the car and you only hear a click from the fuse box, you may have...
Roadster Thermostat Valve Change
What Are The Symptoms Of A Failed Thermostatic Valve? The thermostatic valve starts closed which only allows the the water to circulate around the engine. As the engine temperature increases, the water temperature also increases. This causes the valve to slowly oen,...
Secondary Air Injection Pump
It is becoming more and more common for people to report a terrible noise for about 90 seconds on start up. This is due to the secondary air pump. People with no actual clue often call this an EGR pump. This secondary air injection pump can be found on 700cc fortwos...
451 DPF Regeneration
What Is A DPF? It's a diesel particulate filter, it's inside the exhaust. It catches all of the particles of soot from the engine. This improves the quality of the emissions from the exhaust. Do I Have A DPF The smart fortwo 451 diesel manufactured after October 2009...
452 Roadster Water Pump Change
Faulty Water Pump? The water pump is designed to leak slightly when it needs replacing. Most of the time it is worn bearings but the have been known to break blades. This reduces the performance of the pump and bits of the blade can block water ways and make noises in...
Roadster Belt Change
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...
450 Coil Pack Removal
Open the engine cover and look between you and the large smart logo on the air inlet manifold. They are covered in a bunch of shit so I have coloured them in so you can see where they are. Each one of the 3 coil packs have a 4 wire connector... ...disconnect it....
Roadster Coil Pack Removal
Open the engine cover and look between you and the large smart logo on the air inlet manifold. They are covered in a bunch of shit so I have coloured them in so you can see where they are. Each one of the 3 coil packs have a 4 wire connector... ...disconnect it....
450 Clutch Actuator Gaiter
I'm sure you know that the clutch actuator is a bit of a weak spot. It doesn't snap the spiral like the 451 and 454 however, it does dry up internally which will slow down the movement. The only thing that stops the water from getting into the casing is a rubber boot....
Roadster Clutch Actuator Gaiter
I'm sure you know that the clutch actuator is a bit of a weak spot. It doesn't snap the spiral like the 451 and 454 however, it does dry up internally which will slow down the movement. The only thing that stops the water from getting into the casing is a rubber boot....
451 Gear Change Motor Fault
Gear change motor failures are becoming a lot more common now. There are 2 motors. The 1st motor controls gear 1, gear 3 and gear 5. The 2nd motor controls gear 2, gear 4 and reverse. One will generally fail so you'll normally have issues with alternate gears. It's...
Roadster Larger Oil Sump Pan
More Oil, More Better OK, the grammar is terrible but facts are there. The more oil your engine has available, the slower it will degrade. Now, I'm not saying to put more oil in your engine, that'd be terrible. What we need is a bigger sump. Bigger Sump, Bigger Cost?...
450 Larger Oil Sump Pan
More Oil, More Better OK, the grammar is terrible but facts are there. The more oil your engine has available, the slower it will degrade. Now, I'm not saying to put more oil in your engine, that'd be terrible. What we need is a bigger sump. Bigger Sump, Bigger Cost?...
450 AC Radiator Removal
Remove the radiator pack as shown here. Just hinge it down from the top... And it'll be free from the radiator pack. Behind that you'll find the air conditioning radiator. Grab the radiator from the hose connector block and open the radiator like a door. Once you've...
450 Coolant Radiator Removal
Remove the front panels, remove the crash bar. Have the air conditioning gas professionally removed. Don't just remove the 10mm nut, lever the connection open and let the gas escape. Disconnect the bottom coolant hose and allow the coolant to drain into an antique bed...
Roadster Fuel Tank Removal
It's a very good idea to have little to no fuel in the tank otherwise it'll be heavy and potentially explody. Remove the engine. Behind the engine is a heat shield (good idea huh!). Remove the fuel cap. Remove the top two E10 bolts. Then remove the lower two E10...
Roadster Coolant Draining/Filling
Draining The best way to drain the system is at its lowest point, in the smart's case they have actually installed a coolant drain plug that can be removed with a 6mm allen key. It is located on the back of the engine. Lay down under the back of the car and you'll see...
453 Gearbox Fluid Change
The 453 comes with 3 option for the gearbox. The turbo and non turbo petrol model had the option for either manual or auto. The electric drive model only came with a fixed ratio gearbox (not yet covered here). Manual Gearbox Fluid Change Post yourself under the car...
Roadster Clutch Removal
The clutch doesn't last forever. It wears down causing slipping and poor pull away.