Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 42, Problem 4MC
Which of the following would probably not be caused by a plugged filter screen at a solenoid?
a. Erratic shifting
b. No shift conditions
c. A solenoid that will not energize
d. Wrong gear starts
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Technician A says that some shift solenoids can be activated by providing a ground for the solenoid. Technician B says that some shift solenoids can be activated by applying hydraulic pressure to their valve. Who is correct?
Chapter 42 Solutions
Automotive Technology
Ch. 42 - While discussing the CVT transaxie used in Toyota...Ch. 42 - Although computers receive different information...Ch. 42 - What happens if the TCM determines that the...Ch. 42 - Prob. 4SACh. 42 - List five things that could cause incorrect shift...Ch. 42 - Most late-model transmission control systems have...Ch. 42 - What inputs are of prime importance to a computer...Ch. 42 - What are the advantages of using electronic...Ch. 42 - Voltage generation devices are typically used to...Ch. 42 - True or False? On most late-model EAT systems,...
Ch. 42 - True or False? The neutral safety switch and...Ch. 42 - Which of the following is not a voltage-generating...Ch. 42 - A glitch appears in the waveform of a vehicle...Ch. 42 - Prob. 3MCCh. 42 - Which of the following would probably not be...Ch. 42 - Technician A says that some systems use a special...Ch. 42 - Technician A says that shift solenoids direct...Ch. 42 - Technician A says that throttle position is an...Ch. 42 - Technician A says that a faulty TP sensor can...Ch. 42 - Technician A says that some shift solenoids can be...Ch. 42 - An electronically controlled transmission has...Ch. 42 - While discussing transmission adaptive learning:...Ch. 42 - While discussing valve body assemblies in...Ch. 42 - A transmission has delayed upshifts under all...Ch. 42 - While diagnosing the cause of TCC shudder:...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- While inspecting a planetary gear-type final drive, Technician A says blackened pinion shafts indicate severe overloading. Technician B says bluish gears indicate overheating. Who is correct?arrow_forwardBefore making a clutch adjustment, it is necessary to______. a. measure clutch pedal free travel b. lubricate the clutch linkage c. check the hydraulic fluid level d. place the transmission in reversearrow_forwardTechnician A says that shift solenoids direct fluid flow to and away from the apply devices in the transmission. Technician B says that shift solenoids are used to mechanically apply a friction brake or multiple-disc clutch assembly. Who is correct?arrow_forward
- (Hydraulic and Pneumatic Transmission) Draw these: (a) fixed displacement motor (b) Pilot-operated type Relief valve (c) Directional control valve for 4-way, 3-position, O type neutral conditions (d) Hydraulic operated check valvearrow_forwardWhich of the following is probably not the cause of avibrating clutch?a. Excessive crankshaft end playb. Out-of-balance pressure plate assemblyc. Excessive flywheel runoutd. Loose flywheel boltsarrow_forwardTo achieve a slow overdrive in a simple planetarygearset, the __ .a. sun gear must be the input memberb. ring gear must be the input memberc. planetary carrier must be the input memberd. ring gear must be heldarrow_forward
- When discussing the various gear positions of a transfer case, Technician A says that when the transfer case is in low, the overall gear ratio is numerically increased. Technician B says that when the transfer case is in the high position, the vehicle operates in an overdrive mode due to the decrease in torque multiplication. Who is correct?arrow_forwardwhen discussing shift problems, technician A says that worn or broken engine and transaxle mounts can cause a transaxle to have shifting problems. technician b says that poor shift boot alignment can cause a transaxle to jump out of geararrow_forwardTechnician A says that if a drive belt does not have the proper tension, it may produce squealing and chirping noises. Technician B says belt tension should be checked even if the engine has an automatic belt tensioner. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forward
- What does a shift blocking system do, and how does it basically work?arrow_forwardWhat is the primary tool used to diagnose an auto leveling headlamp system?arrow_forwardTechnician A says that delayed shifting can be caused by worn planetary gearset members. Technician B says that delayed shifts or slippage may be caused by leaking hydraulic circuits or sticking spool valves in the valve body. Who is correct? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forward
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