How to Use crankcase in a Sentence

crankcase

noun
  • People in four-wheeled vehicles — at least some of them — were hotter than a crankcase.
    — Steve Rubenstein, SFChronicle.com, 23 Sep. 2020
  • The crankcase is the central, lower housing of the engine.
    — Greta Cross, USA Today, 1 May 2026
  • Clean the area around the oil cap to prevent debris from getting inside the crankcase, then remove the cap.
    — Karen Brewer Grossman, Southern Living, 5 Jan. 2026
  • Almost no automaker recommends that oil should be left in the crankcase for more than one year—no matter the mileage.
    — Jack Keebler, Car and Driver, 26 Apr. 2022
  • Smoke coming out of the oil-fill port like this might be indicative of a bad crankcase vent system, depending on the vehicle.
    — Mike Allen, Popular Mechanics, 28 Feb. 2011
  • But overfilling the crankcase by 1 quart is not likely to cause any problem whatsoever.
    — Ray Magliozzi, courant.com, 6 Oct. 2019
  • The crankcase is composed of two light-alloy castings bolted together on the crank centerline.
    — Car and Driver, 27 Jan. 2023
  • The word wilderness will slip out, and dynamite, sand in the crankcase, slow elk, naked swimming mixed with William Blake and have a beer, bub.
    — Aaron Gilbreath, Longreads, 24 Apr. 2018
  • The aluminum positive crankcase ventilation valves can fall apart.
    — BostonGlobe.com, 25 Oct. 2019
  • Some emissions control systems also rely on this negative pressure to prevent crankcase fumes from escaping.
    — Mike Allen, Popular Mechanics, 28 Feb. 2011
  • Finished in green, the heavy chassis classic features an aluminum crankcase and an extra-long bonnet just like the racing models of the 20th century.
    — Rachel Cormack, Robb Report, 6 Aug. 2021
  • In the case of a bicycle, as Newman suggests, the crankcase moves the bike analogously to the rider’s physical exertion.
    — Ian Bogost, The Atlantic, 25 Oct. 2017
  • Check the manual to see if the PCV valve is a check valve or some other method for metering manifold vacuum into the crankcase.
    — Mike Allen, Popular Mechanics, 28 Feb. 2011
  • The oily gaseous mixture then deposits on the intake valves via the positive crankcase ventilation, or PCV, system.
    — Bob Weber, chicagotribune.com, 8 July 2018
  • One motor is integrated into the turbocharger, another is installed on the combustion engine with a link to the crankcase, and the two remaining motors drive the front wheels.
    — Kirsten Korosec, Fortune, 11 Sep. 2017
  • The brakes use engine vacuum to reduce the pedal effort, and the emissions-control system relies on the negative pressure to prevent crankcase fumes from escaping.
    — Mike Allen, Popular Mechanics, 28 Feb. 2011
  • The automaker said the aluminum positive crankcase ventilation valves can fall apart, potentially causing debris to fall into the engine and cause a power loss.
    — CBS News, 24 Oct. 2019
  • An engine's key internal components should always have a thin coating of oil to keep them lubricated and protected; as your vehicle sits, gravity slowly pulls the oil down to the crankcase.
    — Maxwell B. Mortimer, Car and Driver, 10 Apr. 2020
  • Starting in 1961, new cars had to use positive crankcase ventilation, which limited emissions by controlling how air moves through the engine.
    — Wired, 19 Sep. 2019
  • Chevy engineers even ramped up the oiling system’s vacuum pressure, which reduces not only oil aeration but also minimizes wind resistance for moving parts inside the crankcase.
    — Michael Van Runkle, Robb Report, 4 Oct. 2022
  • Durability measures include iron cylinder liners, seven nodular iron main bearing caps, a deep-skirt block design, and a stiffness-enhancing aluminum lower crankcase extension attached to the main bearing caps.
    — Jeff Yip, Houston Chronicle, 2 July 2019

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'crankcase.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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