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...
Smartmods
for all your modding needs, recommended by Evilution
Engine
450 Air Inlet Manifold Removal
The air inlet manifold is the black plastic part on the top of the engine that has "Smart - Powered By Mercedes Benz" ruining the top and making idiots think their car is a Mercedes. Pull the HT leads from the top spark plugs. Disconnect the fuel tank breather pipe by...
450 Alternator Change
The alternator is fairly robust but its open position means it is prone to seizing up. Let's sort it out.
450 Camshaft Removal
To get to the camshaft you have to remove the air inlet manifold and rocker cover. Take an E10 socket and remove all 8 of the bolts that hold the bearing caps to the engine head (12Nm on refitting). The bearing caps are the brackets that hold the camshaft to the...
450 CDI Alternator Change
How to change the alternator on a CDI
450 CDI Injector Removal
Uncover the engine. Just underneath the "smart cdi" logo is the fuel rail. Attached to the fuel rail are 3 injectors. I have highlighted one of the injectors below. Here is a closer look of 1 of the 3 injectors. To disconnect the electrical connector, pull out the...
450 Chain Tensioner Removal
The timing chain runs from the crankshaft up to the camshaft. For every 2 turns of the crankshaft, the camshaft will turn once. This relation between the 2 sprockets must stay the same at all times to keep the combustion cycle working and to stop the valves from...
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....
450 Clutch Actuator Setting
Removing The Clutch Actuator For Smart Fortwo (450) 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...
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....
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...
450 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...
450 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...
450 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.
450 Exhaust Fitting
Fit a different exhaust, free up a bit of power and make the smart sound a bit beefier.
450 fortwo 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 Fortwo Clutch Removal
The clutch doesn't last forever. It wears down causing slipping and poor pull away.
450 Fortwo Earth Upgrade
Very popular with Ricers. Upgrading the engine earth can release more power and torque from your engine, make your stereo sound better and increase your MPG.
450 Fortwo Engine Removal
The photos are from a 700cc engine but the 600 is pretty much the same. 450 Engine Removal Step 0: Disconnect the battery earth connection. Look at the engine, just above the oil filter. You'll see the coolant drain plug. Use a 6mm allen key to open it a couple of...
450 fortwo Water Pump Change
How to change the water pump in a suprex engine