Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 39, Problem 2ASRQ
A noise occurs in forward and reverse gears but not in neutral: Technician A says that the input shaft bearing may be bad. Technician B says that the mainshaft bearing may be bad. Who is correct?
a. Technician A only
b. Technician B only
c. Both Aand B
d. Neither A nor B
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Chapter 39 Solutions
Automotive Technology
Ch. 39 - After draining gear oil from a transaxie, the...Ch. 39 - Prob. 2SACh. 39 - Prob. 3SACh. 39 - What tool is often required to remove gears and...Ch. 39 - When removing or installing bearings, where should...Ch. 39 - List five common sources for transmission fluid...Ch. 39 - What should you do to properly identify the type...Ch. 39 - List at least five items that are typically...Ch. 39 - Prob. 1TFCh. 39 - True or False? Bearing noise increases under load...
Ch. 39 - A rough, growling noise that is heard from a...Ch. 39 - A clicking noise during transrnission/transaxle...Ch. 39 - Worn teeth on a speed gear can cause_______. a....Ch. 39 - Using a lubricant that is thicker than the...Ch. 39 - A poorly adjusted shift linkage can cause which of...Ch. 39 - Technician A says that the transmission rear seal...Ch. 39 - A noise occurs in forward and reverse gears but...Ch. 39 - A rough, growling noise occurs when a vehicle with...Ch. 39 - A car jumps out of gear into neutral, particularly...Ch. 39 - While diagnosing a noise from a transmission:...Ch. 39 - Technician A says that broken or worn engine and...Ch. 39 - Technician A says that shims may be used to adjust...Ch. 39 - During a test drive, a noise that appears to be...Ch. 39 - While inspecting the synchronizers of a transaxle:...Ch. 39 - Technician A says that the proper fluid level for...
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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
- When discussing the possible causes for a shudder during acceleration, Technician A says that a worn inner CV joint could be the cause. Technician B says that insufficient differential gear backlash could be the cause of the problem. Who is correct? O a. A only O b. B only O c. Both A and B O d. Neither A nor Barrow_forwardTech A says that if a noise is caused by a set of worn gears, it will normally be loudest in that gear while driving under a load. Tech B says that if the bearings on the input shaft, countershaft, or main shaft are worn, either front or rear, a growling noise will result when stopped in gear. Who is correct?arrow_forwardDefine the purpose of the final drive gears.arrow_forward
- In a simple planetary gearset, when the planetary carrier is held, the gearset produces a______. a. reverse b. direct drive c. fast overdrive d. forward reductionarrow_forward2. When inspecting a transaxle's gears, be Technician A says that a shiny wear pattern on the center of the gear teeth is normal. Technician B says that it is normal for a reverse idler gear to have small chips on its engagement side. Who is correct? A. A only C. Both A and B В. В only D. Neither A nor Barrow_forwardWhat causes suction of fluid into the gear pump? a. when pressure drops during engagement of teeth at the suction side b. when pressure increases during engagement of teeth at the suction side c. when pressure drops during disengagement of teeth at the suction side d. when pressure increases during disengagement of teeth at the suction side Clear my choicearrow_forward
- For a pair of gears to work together, they must have common ___. Pitch diameter Number of teeth Diametral pitch or metric modulearrow_forwardWhen an idler gear is placed between the driving and driven gears, the driven gear:a. rotates the opposite direction as the drive gearb. rotates the same direction as the drive gearc. reduces the torque transfer from the drivegear to the driven geard. none of the abovearrow_forwardWhile 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_forward
- what would cause a final drive noise that is heard only when cornering? a. Incorrect tooth pattern contact b. a broken crown gear tooth c. worn differential case gears d. a bent axle housingarrow_forwardTechnician A says that side-bearing preload limits the amount the differential case is able to move laterally in the axle housing. Technician B says that adjusting backlash sets the depths of the mesh between the ring and pinion gears’ teeth. Who is correct?arrow_forwardTechnician A says that a hunting gearset is one in which one drive pinion gear tooth contacts only certain ring gear teeth, Technician B says that a partial nonhunting gearset is one in which one pinion tooth contacts only six ring gear teeth. Who is correct?arrow_forward
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