Exam 10: Engine Disassembly and Cleaning

List the procedure for keeping the customer's vehicle clean while the engine is being rebuilt.

Extreme care should be used when using a scraper or wire brush on parts made of _____.

What is an interference engine?

While discussing cleaning engine parts: Technician A says that the cleaning method used depends on the component to be cleaned and the type of cleaning equipment available. Technician B says a parts tumbler is good for cleaning aluminum components such as intake manifolds and cylinder heads. Who is correct?

The flywheel bolts should be loosened in a ____________________ pattern.

Some engine repairs can be done while the engine is still in the vehicle.

Identify some personal safety concerns when working with any type of cleaning solvent or chemical.

Install a ____________________ before you disconnect the battery to prevent the vehicle's computer and other devices from losing what they have stored in their memory.

Technician A says in certain vehicles the engine and transmission must be removed together as a unit. Technician B says that compared to RWD cars, engines in FWD cars are easier to remove because they don't have large assemblies such as engine cradles, suspension components, brake components, splash shields or other pieces that need to be disassembled or removed . Who is correct?

Technician A says it is a good practice to clean the engine and engine compartment before beginning to remove the engine. Technician B says all engine fluids should be drained before engine removal. Who is correct?

Parts washers are often called ____________________ tanks.

Which cleaning method uses high-frequency sound waves to create microscopic bubbles that loosen dirt from parts?

Technician A uses masking tape and a marking pen to label electrical connectors and vacuum lines. Technician B puts all the nuts and bolts and other fasteners into a big coffee can and sorts them out on reassembly. Who is correct?

Technician A leaves the drive axles attached to the wheel hubs, disconnects the inboard CV joints at the axle flange, then positions the axles so that they don't interfere with engine/transaxle removal. Technician B separates the lower ball joint from the steering knuckle then removes the drive axle from the vehicle. Who is correct?

When removing an engine on a FWD vehicle, the steering gear may have to be disconnected from the frame.

The buildup of mineral and deposits inside the cooling system is called ______.

While discussing abrasive cleaners, Technician A says shot is angular in shape and is used for aggressive cleaning. Technician B says grit is an angular-shaped medium and is used to peen metal surfaces. Who is correct?

Caustic soda should never be used to clean parts made of _____.

Technician A says excessive buildup of sludge may indicate a poor oil change schedule. Technician B says a buildup of scale in the engine can cause cooling system blockage. Who is correct?

Water-soluble soils contain petroleum by-products derived from crude oil including tar, road oil, engine oil, gasoline, diesel fuel, grease, and engine oil additives.