Originally there were 3 options to fixing a slipping/badly adjusted clutch. Have the clutch actuator retaught on a star machine. If that couldn't be done as the machine bought up errors, New clutch actuator fitted. This was the option given to me at smart. If that...
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Engine
Roadster Clutch Actuator Setting
Removing The Clutch Actuator For Smart Roadster 1. Switch off the ignition. 2. Wait for approximately 1 minute. 3. Make sure the clutch is completely closed. 4. Disconnect the electric connection on the clutch actuator motor. 5. Loosen clutch actuator (5) screws...
Roadster Clutch Removal
The clutch doesn't last forever. It wears down causing slipping and poor pull away.
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....
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...
Roadster Coolant Radiator Removal
Important Don't piss about with the coolant system until the car is cold. High pressure scalding coolant is rarely forgiving to your face, arms and balls. Feel the pipes and remove the coolant filler cap in the engine bay. Removal Open the bonnet, remove the storage...
Roadster Cycle Valve Change
Cycle Valve - Fault Symptoms If your car goes into safe mode every now and then, it could well be a faulty cycle valve. Try pulling and refitting fuse 27. If that temporarily fixes the issue, you need a new cycle valve. The valve can also fail in such a way that the...
Roadster Cylinder Head Removal
I'll apologise right now. I took these photos almost exactly 2 years ago so I can only write about what I remember and what I can make out from the photos. Some more of the finer details may be missing or hazy but you'll work it out. If you see anything obvious I...
Roadster Driveshaft Seals
Do you have oil on the ends of the driveshaft where they enter the transmission? If you do, there is good possibilty that the seals are not doing their job properly and need replacing.
Roadster Earth Upgrade
Upgrade the Roadster earth leads
Roadster Engine Mounts
This is how to change the 3 engine mounts on the 452 Roadster. 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 however, it's easier to...
Roadster Exhaust Fitting
Remove the rear panels, this can be found here. Remove the crash bar using a Torx 45 screwdriver. There are 2 nuts holding the exhaust to the turbo. These can be removed with a 13mm or 1/2" socket. It is a wise idea to spray these with penetrating oil over the...
Roadster Fuel Injector Removal
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...
Roadster Fuel Pump Change
How to remove and replace the Roadster fuel pump
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 Gearbox Fluid Change
Although smart say this is a non servicable item, it would be foolish to use the same oil year in, year out. I recommended you change it every 3rd service. People have found the gearchange is much improved after doing this.
Roadster Lambda Sensors
The Lambda (O2) sensor is by far the most common fault that brings up the engine fault light.
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?...
Roadster Oil Pump Removal
Because the smart is generally hard to work on, it just wouldn't be right if changing the oil pump was an easy task. So it's no surprise to find out that it's a lot of work to get to but very simple to actually change. Remove the air inlet manifold, rocker cover,...
Roadster Rocker Cover Removal
Remove the spark plugs and air inlet manifold to reveal the crusty and corroded rocker cover. Use an E10 socket to remove the 6 bolts holding it down. One of this bolts also holds the oil dip stick tube in position. Pull off the large rubber breather hose from the TIK...