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Spark plugs are being replaced on a v6 engine. Which of the following should be performed before removing the boot? - Answer- Twist the boot 1/2 a turn Technician A days that a positive crankcase ventilation (pvc) system reduces vehicle emissions. Tech B says that a pvc system helps increase cran...

2. A driver says that the front end of his car vibrates up and down while traveling at most road speeds. Tech A says that too much runout of the front wheels could be the cause. Tech B says that a static out of balance of the front wheels could be the cause. Who is right? A. Tech A only B. Tech B ...

A vehicle is brought in with a bent subframe. Technician A says to section the subframe. Technician B says the subframe should not be repaired and must be replaced. Who is right? A, B, Both, or Neither - Answer- Technician B only The subframe should never be sectioned, and should rarely, if e...

An EATC air conditioning system has low fan speed operation during high demand situations, like in direct sunlight. Technician A says this is because something is covering the sun load sensor's photo diode. Technician B says a sun load sensor is a variable resistor and can be tested with an ohmmete...

ASE DIESEL PRACTICE TEST

The air pressure at the inlet of the HVLP gun is normally between: A.10-30 psi B.30-50 psi C.50-70 psi D. none of the above - Answer- B:30-50 psi Painter A says that primer-surfacer will dry faster if sprayed in several coats with flash time between coats. Painter B says there would be less b...

A - Answer- A drum is chattering on the brake lathe. This could be the result of: A. Failure to install the dampening belt. B. Cutting too slowly. C. Dull cutting blades. D. Cutting speed too fast. C - Answer- A vehicle is equipped with a hydro-boost brake system has a hard pedal with little...

A spongy brake pedal may be caused by: a. ABS Diagnostic Trouble Code set b. Frozen caliper piston c. Defective metering valve. d. Air in hydraulic system - Answer- D This question is not like the others. It has the word EXCEPT. For this question, look for the choice that could NOT cause the ...

Technician A only - Answer- A technician connects one lead of a DMM (digital multimeter) to the positive (+) terminal of a battery and the other meter lead to the "B" terminal of the starter solenoid and then cranks the engine. During cranking, the voltmeter displays a reading of 878 mV. Techn...

A drum is chattering on the brake lathe. This could be a result of a. failure to install the dampening belt b. cutting too slowly c. dull cutting blades d. cutting speed too fast - Answer- A : failure to install the dampening belt why : a missing dampening belt could cause the drum to vibra...

Technician B says that Part 'X' is used to correct installed spring height. Who is right? - Answer- B. Technician B only A compression test shows that one cylinder is too low. A leakage test on that cylinder shows that there is excessive leakage. During the test, air could be heard coming from ...