Chapter 10 Engine Disassembly and Cleaning

Technician A removes the starter wiring and then removes the starter from the vehicles. Technician B unbolts the starter with the wiring attached and lets the starter hang by the wiring. Who is Correct? A. A only B. B only C. Both A and B D. Neither A or B

A. A only

Technician A says in certain vehicles the engine and transmission must be removed together as a unit. Technician B says that compared the RWD cars, engines in FWD cars are easier to remove because they don't have large assemblies such as engine cradles, suspension components, splash shields of other pieces that need to be disassembled or removed. Who is correct? A. A only B. B only C. Both A and B D. Neither A or B

A. A only

Technician A uses making tape and a marking pen 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? A. A only B. B only C. Both A and B D. Neither A or B

A. A only

While discussing cleaning engine parts: Technician A says that the cleaning method used depends on the component to the cleaned and the type of cleaning equipment available. Technician B says parts tumbler is good for cleaning aluminum components such as intake manifolds and cylinder heads. Who is correct? A. A only B. B only C. Both A and B D. Neither A and B

A. A only

While removing a cylinder head, Technician A keeps all rocker arms and pushrods in order. Technician B loosens the head bolts in random order. Who is correct? A. A only B. B only C. Both A and B D. Neither A or B

A. A only

Extreme care should be used when using a scraper or wire bush on parts made of _______. A. Aluminum B. Titanium C. Cast Iron D. Stainless Steel

A. Aluminum

Which of the following is NOT used in a dye penetrant crack detection? A. Electromagnet B. Developer C. Penetrant D. Cleaner

A. Electomagnet

The built of mineral and deposits inside the cooling system is called. A. Scale B. Grime C. Organic Soil D. Rust

A. Scale

When attaching a lifting eye to an engine prior to removing the engine with an engine hoist, how far must a 10 mm bolt be threaded into the engine? A. 5 mm B. 15 mm C. 20 mm D 10 mm

B. 15 mm

Caustic soda should never be used to clean parts made of_________. A. Brass B. Aluminum C. Iron D. Steel

B. Aluminum

Technician A disconnects the positive battery cable before removing the engine from the vehicle. Technician B disconnects the negative battery cable. Who is correct? A. A only B. B only C. Both A and B D. Neither A or B

B. B only

Which one of these statements is NOT true? A. Cracks in metal casting are the result of the stressed or strain on a section of the casting. B. Immediately following crack repair by welding, it is important to flush the part with cold water. C. Stress or strain on a weak point of a casting cause it to distort at that point. D. If cracks in a metal casting are found during an inspection, they should be repaired or the part replaced.

B. Immediately following crack repair by welding, it is important to flush the part with cold water

On a OHC engine, the ______ must be removed before the cylinder head[s] is remove. A. Camshaft B. Timing Belt/ Chain C. Water Pump D. All answers are correct

B. Timing Belt/ Chain

Which cleaning method used high-frequency sound waves to create microscopic bubbles that loosen dirt from parts? A. Thermal B. Ultrasonic C. Cautic D. Salt Bath

B. Ultrasonic

Technician A unbolts the A/C compressor from its bracket and repositions it so that the engine can be removed without disconnecting the A/C hoses. Technician B captures the refrigerant using a reclaimer/recycling machine before removing A/C hoses from the compressor, then plugs the lines and connections at the compressor. Who is correct? A. A only B. B only C. Both A and B D. Neither A or B

Both A and B

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 remove the drive axle from the vehicle. Who is correct? A. A only B.. B only C. Both A and B D. Neither A or B

C. Both A and B

Technician A rotates the engine by hand until all the cam timing marks align to ensure that the cam timing was set properly. Technician B moves the belt tensioner pulley to remove its tension on the belt before removing the timing belt. Who is correct? A. A only B. B only C. Both A and B D Neither A or B

C. Both A and B

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? A. A only B. B only C. Both A and B D. Neither A or B

C. Both A and B

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? A. A only B. B only C. Both A and B D. Neither A or B

C. Both A and B

Technician A uses a chalk mark to index the position of the rear U-joint and pinion Flange. Technician B when removing drive axles scribes marks on the suspension and steering parts to ensure that the wheel alignment will be close after reassembly. Who is correct? A.A only B. B only C. Both A and B D. Neither A or B

C.Both A and B

Which of the following solvents have associated health risks? A. Chlorinated Hydrocarbons B. Mineral Spirits C.Caustic Soda D. All answers are correct

D. All answers are Correct

Citrus chemicals_________. A. Are less hazardous B. Smell Good C. Are easier to dispose D. All answers are correct

D. All answers are correct

Parts must be______ when they go into an abrasive blast machine. A. Wet B. Dry C. Grease Free D. Both "Dry" and "Grease Free"

D. Both "Dry" and "Grease Free"

Which type of soil is not water soluble? A. Dirt B. Mud C. Dust D. Carbon

D. Carbon

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? A. A only B. B only C Both A and B D. Neither A and B

D. Neither A or B