iFixit - Active Questions With Device "Smart"

Smart: Head gasket Replacement - Smart 2009

Wed, 26 Nov 2025 12:36:42 -0700

Hi there,

I want to change the head gasket on my Smart Fortwo 2009. Could you please provide me with a step by step on how to do it?

Thank you!

⟐ Commented November 26, 2025 at 12:36 MST

2003 - 2006 Smart Roadster: P20B1 Faulty Code - 451 2011 Smart Fortwo 62Kw

Sat, 23 Oct 2021 21:43:43 -0700

Vehicle with P20B1 Faulty Code, described as “Reductant Heater Coolant Control Valve Circuit/Open”.

Engine is temperature sometimes is over 212F. What could be the root cause?

Stuck Thermostat?

Thanks in advance.

⟐ Answer edited October 23, 2021 at 21:43 MST

Smart: Thermostat Replacement (Smart Fortwo 2009)

Sun, 01 Oct 2017 21:06:46 -0700

Hi,

I am trying to replace the thermostat in my smart car. Could you please provide me with a guide step by step with pictures if you have on how to replace it?

Thank you!

⟐ Answer accepted October 01, 2017 at 21:06 MST