Press question mark to learn the rest of the keyboard shortcuts, '16 Crosstrek, '07 Colorado, gaggle of motorcycles, https://assets.gates.com/content/dam/gates/home/resources/resource-library/catalogs/timingbeltreplacementguide.pdf, Here's the list of interference and non-interference engines. However, it has a disadvantage that only regular checks and maintenance can help you overcome. At the same time, the valves will need to have a wider opening to improve airflow. The valves occupy the same space (But not at the same time!) Remember to check for the color of the oil when you are at it. 2.4L DOHC Interference A non-interference engine is just an engine that doesn't have much valve lift and leaves power on the table. Q: What vehicles have interference engines? So, the piston interferes with the open valve by occupying the same space. Assuming it isn't will ensure engine destruction on a replacement level. 1.6L DOHC Interference Okay good to know, The Gates Rubber Co. timing belt catalog indicates whether engines are interference or non-interference, but some people say it's not 100% accurate: https://assets.gates.com/content/dam/gates/home/resources/resource-library/catalogs/timingbeltreplacementguide.pdf. Most auto mechanics are professionals, and as such, they know virtually all vehicles fitted with interference engines and those that run on non-interference engines. Thus, this way, they will be able to check if there are damages inside the cylinders. Sunreef 60 Eco Electric Price, As a result, a timing belt breakage in a non-interference engine will automatically stop the vehicles engine from running. Moreover, I've read that 70% of the cars on the road have interference engines, so this is something I want to make sure I understand. Contact: /*