Check for Understanding CC1.1

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All of the following statements are true about removing and installing axle shafts EXCEPT: A. Inspect the shaft near the seal area and repair wit fine sand paper, as needed. B. The axle shaft seals should be replaced, not reused. C. The axle shaft should be stood straight up in a vertical position when removed. D. Some axles require a slide hammer to remove them.

Inspect the shaft near the seal area and repair with fine sand paper, as needed

A remote vent on a differential on a 4WD vehicle is used to: A. Increase pressure in the differential B. Keep moisture out of the differential C. Keep lubricant from coming out of the differential D. Add lubricant to the differential

Keep moisture out of the differential

Fluid is being change in a transaxle. Tech A says the proper fluid level is one finger joint through the fill hole. Tech B says most transaxles use 90-weight gear lube. Who is correct?

Neither A nor B

In a manual 5-speed transmission, the reverse idler gear is in mesh with what other gear? A. First B. Fifth C. Main D. Reverse

Reverse Speed Gear

A damaged pilot bearing may cause a rattling or growling noise when which of the following conditions exist?

When the engine is idling and the clutch pedal is fully depressed, the clutch is released. At this point the transmission input shaft is turning inside the pilot bearing, not with it, as when the pedal is released and clutch engaged. The clutch is not keeping the input shaft centered

A vehicle has a burnt friction disc in the clutch. Technician A says it could be caused by too much clutch pedal free play. Technician B says binding linkage may have caused it. Who is right?

Technician A is wrong because too little clutch pedal free play would affect disengagement, not engagement. Technician B is correct because binding linkage can cause slippage and, thus, a burnt surface may have caused it.

The second-speed gear clutch teeth and blocking ring teeth are badly worn on a transaxle. This problem may cause which of the following conditions? A. A growling noise while driving in second gear B. A vibration while accelerating in second gear C. Hard shifting in second and third gear D. The transaxle to jump out of second gear

The transaxle to jump out of second gear

Which of the following are the three critical clutch pedal measurements?

There is no apply pressure adjustment, operating range adjustment or kickback adjustment.

A technician notices missing teeth on the flywheel ring gear. Which of the following is the LEAST likely way to fix the problem?

Using a MIG welder to replace new teeth is the least likely repair and not a proper repair.

A burnt pressure plate may be caused by all of the following EXCEPT:

A damaged pilot bearing will not cause clutch slippage or failure. The others listed will.

Clutch slippage may be caused by which of the following

A leaking rear main seal will wet the friction surface of the clutch and cause slippage.

A limited-slip differential with clutch packs is being overhauled. Tech a says the clutch pack discs should be be installed alternately (steel, fiber, steel). Tech B says the clutch pack discs should be installed with the steel discs on the right and fiber discs on the left. Who is correct?

A only

A transaxle has had repeated drive axle seal leakage and replacement. Tech a says this problem may be caused by a plugged transaxle vent. Tech B says this problem may be caused by a worn outer-drive axle joint. Who is correct?

A only

An extension housing has burrs and gouges on the mating surface. Tech A says that if they are not excessive, they can be repaired with a file. Tech B says that the mating surfaces are machined surfaces and they should only be repaired with fine grit sandpaper. Who is correct?

A only

During a transmission overhaul, a technician finds a chipped tooth on the countershaft. Technician A says the countershaft and mating speed gear should be replaced. Technician B says only the damage countershaft should be replaced. Who is correct?

A only

Tech A says an unbalanced drive shaft causes a vibration that increases as vehicle speed increases. Tech B says an unbalanced drive shaft causes a vibration that decreases as vehicle speed increases. Who is correct?

A only

When adjusting the pinion depth on the ring gear,Tech A says to replace the collapsible spacer. Tech B says that pinion depth can also be adjusted by installing a selective pinion bearing race. Who is correct?

A only

A manual transmission grinds when attempting to select first or reverse gear only. What could be the cause?

A warped clutch disc.

In a hydraulic clutch system, the clutch fails to disengage properly when the clutch pedal is fully depressed. The cause of this problem might be which of the following? A. Less than specified clutch pedal freeplay B. Air in the clutch hydraulic system C. Worn clutch facings D. A scored pressure plate

Air in the clutch hydraulic system

A transfer case is being removed for servicing. Technician A says the transfer case and transmission must be removed as a unit. Technician B says all yokes and flanges should be marked for correct reassembly. Who is correct?

B only

A vehicle has a squealing noise coming from the clutch area when the clutch is disengaged. Technician A says the release bearing is probably dry and needs to be lubricated. Technician B says the damage has been done and the release bearing should be replaced. Who is correct?

B only

Tech A says vehicle speed sensors can be tested with an ammeter. Tech B says when you check a vehicle speed sensor signal, you should use an oscilloscope while the vehicle is being driven. Who is correct?

B only

A four-wheel drive vehicle has a jerking feel in the steering wheel when turning sharply with the four-wheel drive engaged. Tech A says this could be normal for many four-wheel drive vehicles. Tech B says if the vehicle has CV joints in the front axle and a center differential, then this would not be normal. Who is correct?

Both A & B

A new universal joint has been installed in a vehicle. Tech A says the universal joint should be greased until grease purges out of all four caps. Tech B says that the universal joint is greased with a good quality lithium-based grease meeting NLGI (national grease lubricating institute) Grade 1 or Grade 2. Who is correct?

Both A & B

A rear wheel drive vehicle is being diagnosed for speed-related vibration. Technician A says most joint working angles should not exceed 3 degrees. Technician B says two joint working angles on a common shaft should cancel each other out within 1 degree. Who is correct?

Both A & B

A transaxle has been disassembled for intermediate shaft bearing replacement. Tech A says snap rings should not be reused and that new ones should be installed. Tech B says bearings that pass inspection can be reused as long as they were removed using a puller and not driven off with a hammer. Who is correct?

Both A & B

A transaxle has fluid leaking from the output shaft seal on an all-wheel drive vehicle. The technician removes the seal for inspection and cannot see any problem with the seal. Tech A says to check for a damage yoke seal surface. Tech B says the vent could be plugged. Who is correct?

Both A & B

A transmission is being disassembled for overhaul. Tech A says care should be taken to thoroughly inspect each component for damage as it is disassembled. Tech B says some transmission components have index marks that must be aligned when reassembled.

Both A & B

A truck with a 4-speed transmission has a growling noise coming forms eh transmission in all gears except fourth. In fourth, the noise is almost completely gone. Tech a says the input shaft bearing could cause the noise. Tech B says the countershaft bearing could be causing the noise. Who is correct?

Both A & B

A vehicle has an inoperative speedometer. Tech A says the vehicle speed sensor could be defective. Tech B says the speedometer drive gear could be broken. Who is correct?

Both A & B

A vehicle with a manual transmission has been towed into the shop with a no-start complaint. The technician verifies the complaint and finds that the vehicle will not crank. Technician A says to check the clutch safety switch for an open circuit. Technician B says the clutch switch could be out of adjustment. Who is correct?

Both A & B

A vehicle with automatic locking hubs is being diagnosed for slow engagement. Tech A says that many vehicles with automatic locking hubs require as much as a full tire rotation in a specified direction in order for the hub to engage and disengage. Tech B says the driver does not have to leave the vehicle to engage the automatic locking hubs. Who's is correct?

Both A & B

A vehicle with four-wheel drive and tapered front wheel bearing is being serviced. Technician A says the front wheel bearings should adjusted with 0.001-0.005 inches of end-play. Technician B says some late-model vehicles use unitized wheel bearings. Who is correct?

Both A & B

A vehicle with limited slip differential is being diagnosed for chattering on a turn. Technician A says the differential may have the incorrect type of lubricant in it. Technician B says the last technician that serviced the differential may have not added the special limited-slip additive. Who is correct?

Both A & B

Differential side-bearing preload is being adjusted. Technician A says that some RWD differentials require the selection of the correct shim thickness to adjust the side-bearing preload. Technician B says that some RWD differentials use threaded adjusters to set side-bearing preload. Who is correct?

Both A & B

Front universal joints are being replaced. Tech A says the new U-joints will still need to be greased after assembly. Tech B says to pay close attention to the location of the zerk fitting-if installed incorrectly, then the zerks cannot be reached with a grease gun. Who is correct?

Both A & B

Tech A says that if the differential is overfilled, then it will cause axle seals to leak. Tech B says that worn axle bearings will cause axle seals to leak. Who is correct?

Both A & B

Technician A says broken transmission mount can cause excessive driveline angles. Technician B says an oil-soaked transmission mount should be inspected very closely for rubber deterioration and swelling.

Both A & B

A transmission grinds when shifting into reverse. Which of the following would be the LEAST likely cause?

the clutch was binding it would grind in all the gears

A vehicle needs to have its pilot bearing replace (bronze bushing type). Technician A says to make sure you check pilot-bearing bore runout. Technician B says it is necessary to lubricate the pilot bearing with high-quality white lithium grease. who is correct?

A Only


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