Does engine have to be cold to change spark plugs?
The torque specification for a spark plug is for when the engine is cold. Installing a spark plug with the engine hot can change the torque specification and how the threads on the engine and spark plug interact. This can lead to a plug that is too loose or too tight depending on the application.
At what temperature should I change my spark plugs?
The optimal firing end temperature is approximately 500°C (932°F) to 800°C (1472°F). The two most common causes of spark plug problems are carbon fouling (< 450°C) and overheating (> 800°C).
Who manufactures Volvo spark plugs?
Bosch
NOTE: This is a set of 5 Genuine Volvo Spark Plugs, made by Bosch.
What’s the spark plug number on a Volvo?
While the spark plug and ignition coil part numbers vary between models, the instructions are practically the same for all Volvo models, including XC70, V70, S60, S40, V40, V50, XC60, XC90, S60, S70, S80, C30, and even 240.
What should the spark gap be on a Volvo?
The typical Volvo spark gap ranges from 0.008 to 0.043. Check the spec sticker under the hood. Genuine Volvo spark plugs come pre-gapped. If the spark plugs are on very tight. You can warm up the engine then try to remove the stuck spark plug.
When do you replace the ignition coil on a Volvo?
Please keep in mind coils do not need to be replaced unless they fail. Park your Volvo in a safe workplace and allow the engine to cool down. About 30 min. Make sure to engage the parking brakes and remove the key. Next, pull the hood release under the dashboard and open the hood.
How do you remove spark plug from ignition coil?
Disconnect the wires to the ignition coil by pressing then pulling on the connector. Lift the coil and remove it from the spark plug. Remove the spark plugs using your spark plug removal tool. Turn the ratchet counter-clockwise to remove the spark plug. Apply high-temperature anti-seize to the threads of the spark plugs.