It’s better to choose fluid in combination of 2008 year, 1.6 volume of motor and engine code of NFU(TU5JP4). There is no chance 2006 1007 engine will work efficiently with bad cooling. For filling up the system you will use 5.4 liters of special Red coolant type. Make sure you service system at Peugeot with installed 1.4 engine correctly. There are some conditions in servicing cooling module at Peugeot 1007.
It will be advantageous to follow Peugeot’s rules for 2005 1007 service. If you choose other than Red coolant or use less than 5.4 liters, you can’t expect normal work. Use your 1.6 engine longer in 2009 1007 by keeping these rules. Every Peugeot owner should remember that engines with code NFU(TU5JP4) are quite demanding.