Family Handyman. The cylinders in which the pistons operate are cast into the block, as are mountings for ancillary equipment such as a filter for the oil which lubricates the engine, and a pump for the fuel. An oil reservoir , called the sump , is bolted underneath the crankcase . More information https://telegra.ph/Keeping-Your-Ride-Smooth-The-Importance-and-Cost-of-Tire-Balancing-05-31 Although you might know that synthetic oils outperform conventional oils, you might not understand why. The differences begin at the molecular level. This article was co-authored by Michael Dey and by wikiHow staff writer, Glenn Carreau. Michael Dey is an Automotive Enthusiast specializing in sharing detailed automotive content and restorations on rare and exotic vehicles. Michael has been passionately working on and restoring cars for over 15 years. He has a follower base of over 30,000 YouTube subscribers and 28 million views. Michael is a Factory Trained Master Guild Audi Technician and ASE Certified Master Automotive Technician. Nissan Leaf Plus battery Photo by Nissan An EV’s traction battery – the big one that powers the electric motors to turn the wheels – generally prefers to be somewhere between about 15 to 25 degrees Celsius. At lower ambient temperatures, the battery won’t provide as much power, and the vehicle’s range can drop as much as 20 per cent when temperatures outside are below freezing. If the battery gets too hot, it will initially lose some of its power. If its internal temperature continues to rise, it can potentially degrade, suffer partial damage, or experience complete failure, including catching fire. First, it will make it abundantly obvious if you have a leak – whether internal or external. Your system should hold pressure. If it doesn’t, you have a leak somewhere. Automotive Enthusiast.