Technician A says that oil should be squirted into all of the cylinders before taking a
compression test. Technician B says that if the compression greatly increases when
some oil is squirted into the cylinders, it indicates defective or worn piston rings. Which
technician is correct? - answer-B only
During a cylinder leakage (leak-down) test, air is noticed coming out of the oil fill
opening. Technician A says that the oil filter may be clogged. Technician B says that the
piston rings may be worn or defective. Which technician is correct? - answer-B only
Why should the customer concern be verified by the service technician? - answer-Both
b and c:
To verify that the repair can be verified under the same conditions as when the concern
was verified
To make sure that a true problem exists
What precautions are needed to be performed to help prevent air from getting trapped
in the cooling system when replacing coolant? - answer-Open bleeder valve(s) during
filling
An engine may need to have an air induction/ throttle body service performed if the
engine is performing how? - answer-Rough unstable idle/stalling
Rust stains are seen around a universal joint. This usually ______________. - answer-
The joint has rusted and will normally require replacement
Powertrain mounts are made with ______________. - answer-Either a or b:
Rubber
Fluid Filled
Why does drive shaft position need to be marked when they are removed? - answer-To
ensure proper phasing
Air bag wiring connectors are what color? - answer-Yellow
Wear indicator ball joints indicate that they are worn enough to need replacement in
what location? - answer-A raised area around the grease fitting
Accessory drive belts are checked for all except. - answer-Length
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