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.
Which Tires for volvo S40?
For a 2001 Volvo S40, it is recommended to use a 50/50 mixture of Volvo Genuine Antifreeze/Coolant (which is typically orange or green) and distilled water. If Volvo coolant is unavailable, you can use a high-quality ethylene glycol-based coolant that meets the specifications of ASTM D3306. Always ensure to check the owner's manual for specific recommendations and guidelines. Additionally, avoid mixing different types of coolant to prevent chemical reactions.
Next to the thermostat. you will see it when you remove the hose
How do i remove the washer bottle from a volvo s40
How do i remove the washer bottle from a Volvo s40
how do u perform an oil change on the 01 Volvo s40
I need a new battery for a 2007 Volvo S40 what are the specifications ?
How do you remove the inside driver's door panel on a 2000 Volvo S40?
The volvo s40 is an older car, therefore buying one new will be tougher to do. You can buy a used volvo s40 anywhere from $10,500 to $25,000. The price will depend on the condition of the car.
Where. Is the fuel shutoff switch on a 2000 s40 Volvo
The manual on the 2004.5 5cyl s40 Volvo says every 7500 miles