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Next to the thermostat. you will see it when you remove the hose
Where is the radiator cap on a 2001 Volvo s40?
I'm not sure what you're asking, but if you mean that you are getting an OBD-II diagnostic code of P0128 from your Volvo S40, that code corresponds to a problem with coolant temperature. On a first generation Volvo s40 (99-04), this usually means that the thermostat or electronic coolant temperature sensor are malfuctioning or have failed.
It's on the fuel pump inside the fuel tank
Where. Is the fuel shutoff switch on a 2000 s40 Volvo
I posted pictures on the location and replacement of an ambient temp. sensor for a 2001 S40. Google "ambient temperature sensor location/replacement" or go to Matthew's Volvo site and search there.
where is the turbo super boost sensor located onth 2001 S60 24 T
where is the blower motor resister located on an 2004 s40
Thermostat and thermostat sensor (ect) bad
The PCV valve on a 2004 Volvo S40 is located on the engine crankcase. It is a small rubber valve.
Which Tires for volvo S40?
Camshaft sensor is located at rear end of rear camshaft(near driver). It is screwed on the little bowl and has a connector attached to it. The little bowl contains the camshaft sensor gear , do not unscrew if not necessary , just replace sensor. Jules