4x4 range indicator malfunctioning on a vehicle. After shifting to 4H the light flashes still

failed transfer case position switch

What is being checked in the image shown?

friction disc material thickness

Electrically activated 4WD will not engage. Who is correct?

B: Bad front axle electric shift unit could cause

A speed sensor circuit problem is detected. Diagnosis is being performed.

A: a measurement of 0 ohms indicates a failed sensor

Differential as shown has too much backlash. What is the repair?

Remove shims from the right and apply the same to the left

RWD vehicle has howling noise from axle and low frequency vibration around 30mph. Cause?

Differential case bearing failure

Which of the following represents the correct order to set up a differential?

Pinion depth, pinion preload, side bearing preload, backlash

Vehicle with a manual transaxle makes noise on turns

B: Worn differential pinion (spider) gears

A vehicles clutch slips only when warm. Which is the most likely cause?

Too little clutch pedal free play

Diff pinion gear is stamped with -2 (-51mm) variance. Measured depth is .036" (-91mm). Needs:

A: Shim thickness can be changed to get proper pinion depth

After replace rear ring and pinion on 4WD the transfer case overheats badly when driven in 4x4

B: Installed the wrong ratio ring and pinion in the rear

A noise is heard when a transmission is in neutral and the clutch engaged and engine running

A: Worn input shaft bearing could be the cause

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A3 Manual Transmission ASE

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Questions 100

Answers

1
4x4 range indicator malfunctioning on a vehicle. After shifting to 4H the light flashes still
Worn axle actuator shift fork
binding axle actuator sleeve
failed transfer case position switch
Failed axle actuator position switch
2
Noise is heard with trans in neutral and clutch engaged (pedal released) and engine running.
A worn input shaft bearing
Both A and B
Neither A or B
B worn main shaft rear bearing
3
RWD vehicle has noise turning right. Cause?
Loose pinion nut
Worn pinion bearing
Chipped ring gear
Worn axle shaft bearing
4
4WD hard to shift form 4Hi to 2WD while driving highway but ok when stopped. Also noisey in 4WD
cracked hi-low fork
Worn input shaft bearing
mismatched tires
overfilled transfer case
5
5 spd RWD trans is noisy in all forward gears except 4th (direct). Most likely cause is a worn:
Countershaft bearing
Input shaft bearing
Rear output shaft bearing
Main-shaft thrust bearing
6
RWD vehicle has severe vibration 25-40 mph during acceleration. Not noticeable in deceleration
Worn axle bearing
Bent driveshaft
Worn ring gear
Bad U-joint
7
A 4WD with system shown, the front axle actuator works but the 4WD indicator lamp is inop. Why?
Bad front axle switch
bad transfer case switch
open ground at g200
Open A/C heater 25 amp fuse
8
Electric shift transfer case will not shift 4L when stopped. Cause?
Neither A or B
B: Failed transmission range sensor
Both A and B
A: Bad electric shift motor
9
A hydraulically actuated clutch slips under load. Likely cause?
Weak clutch disc torsional springs
Binding pilot bearing
Weak pressure plate
Air in the hydraulic line
10
A: shims are used to adjust pinion preload. B: collapsible spacer used adjust pinion preload.
A only
Both A and B
Neither A or B
B only
11
Transfer case extension housing seal leaking. Cause?
Neither A or B
Both A and B
A: Worn extension housing bushing
B: Plugged transfer case vent
12
4WD does not pull with the front wheels. Cause?
A: worn CV axle joints
Neither A or B
Both A and B
B: Stripped axle hub splines
13
Vehicle leaks fluid from rear axle pinion seal area. Cause?
Loose pinion shaft nut
Incorrect pinion depth
Worn u joint
Excessive gear lash
14
A vehicle has a hard (delayed) 3-2 shift but all other shifts OK. Most likely cause?
Incorrect lubricant
Worn 2 blocking ring
Incorrect gear clearance
Worn 3 blocking ring
15
Manual transmission difficult to shift all gears when cold. Cause?
Both A and B
B: Wrong transmission fluid
Neither A or B
A: Bent shift fork
16
A customer with manual trans complains about excessive shift effort in all gears. Cause?
worn counter shaft bearing
too little differential bearing preload
incorrect fluid type
improperly adjusted back up light switch
17
A vehicle w/ manual transaxe is difficult to shift into first and reverse while stopped. Cause?
Worn clutch disc
Worn input shaft bearing
Air in the slave cylinder
Too little clutch pedal free play
18
When reassembling a transaxle, which of these bearing may require a preload?
Tapered roller bearings
Ball bearings
Caged needle bearings
Straight roller bearings
19
What is being checked in the image shown?
Spring height
spline alignment
clutch straighness
friction disc material thickness
20
Tech determines that driveshaft working angles are not within spec. Possible cause?
Worn extension housing bushing
Incorrect vehicle ride height
Worn drive pinion front bearing
Mismatched front and rear tire sizes
21
Electrically activated 4WD will not engage. Who is correct?
Neither A or B
B: Bad front axle electric shift unit could cause
Both A and B
A: Broken transfer case chain could cause
22
A speed sensor circuit problem is detected. Diagnosis is being performed.
B: constant 12 volt output signal indicates the sensor works
Both A and B
A: a measurement of 0 ohms indicates a failed sensor
Neither A or B
23
Vehicle with manual transaxle has slight vibration during turns. Likely cause?
Worn inner CV joint
bad differential side bearing
Worn outer CV joint
out of balance half shaft
24
Unequal backlash is measured at points around the ring gear. Cause?
Binding pinion bearing
too high of a preload setting
wrong tooth pattern
too much ring gear runout
25
When setting differential case bearing (side bearing) preload, tech should first:
Eliminate ring gear runout
Measure axle shaft rotating torque
Set ring gear backlash
Establish zero case end play
26
A vehicle with manual transaxle chatters in first as clutch engages. Ok in reverse
misadjusted clutch linkage
Binding pilot bearing
worn engine mounts
oil on the clutch disc
27
Differential as shown has too much backlash. What is the repair?
Add shims to the left side
Add shims to the right side
Remove shims from the right and apply the same to the left
Remove shims from the left and apply the same to the right
28
Transmission is growling in all forward gears except 4th. Most likely cause is a:
BAd synchronizer blocking ring
Worn countershaft bearing
Chipped input shaft
Worn mainshaft rear bearing
29
A 4WD vehicle chatters and makes a popping noise on a hard accel from stop in 4WD mode. Worn:
low range planetary gear
Extension housing bushing
transfer case chain
transfer case output bearing
30
RWD vehicle has howling noise from axle and low frequency vibration around 30mph. Cause?
Pinion bearing failure
Exhaust system drone
Differential case bearing failure
Differential case runout
31
Transmission input shaft bearing has failed several times. Cause?
B: Poor finish on the input shaft bearing journal
Neither A or B
A: Misaligned clutch housing
Both A and B
32
4WD tranfer case has loud noise in 4wd low range only. What is the likely cause?
Neither
Bad front output bearing
Both
Damaged planetary gear set
33
Which of the following represents the correct order to set up a differential?
Pinion depth, pinion preload, side bearing preload, backlash
Side bearing preload, backlash, pinion depth, pinion preload
pinion preload, pinion depth, side bearing preload, backlash
backlash, pinon depth, side bearing preload, pinion preload
34
LSD being inspected. Clutch packs and thrust washers show excessive wear.
A: caused by mismatched tires
Excessive driveshaft runout
Both A and B
Neither A or B
35
Vehicle with a manual transaxle makes noise on turns
Both A and B
B: Worn differential pinion (spider) gears
Neither A or B
A: Worn output shaft bearing
36
Shifter on a manual transmission is loose and missing one "gate". Cause?
broken detent spring
bad blocker ring
worn out shift tower bushing
worn out shifter bushing
37
A vehicles clutch slips only when warm. Which is the most likely cause?
Weak pressure pressure
Too little clutch pedal free play
Pushrod adjustment that is too short
A worn clutch disc
38
The CV joint on a front half shaft is separated on a FWD. Cause?
Incorrect front end alignment
weak front struts
broken engine mounts
binding cv joint
39
On vehicle with limited slip diff, what is likely cause of a chattering noise only when turning
Lubricant type or condition
worn differential side gears
worn differential pinion gears
Low clutch preload
40
A vehicle with a manual transaxle makes a clicking only in reverse. This could be caused by:
Loose pressure plate springs
A chipped idler gear tooth
A jammed back up light switch
A worn input shaft
41
Image shown, what is the shim used to adjust?
shaft end play
bearing preload
Pinion depth
bearing clearance
42
A noise that sounds in the differential or axle becomes louder when vehicle swerved right
Side bearing
Wheel bearing
drive pinion
Differential pinion gear
43
Rear axle noise @ low speed on smooth roads. Increases on right turns, decreases on left turns
Too much side clearance at ring gear
Worn bearing on left axle
Bad differential bearing on right side of carrier
Worn differential side gear
44
Diff pinion gear is stamped with -2 (-51mm) variance. Measured depth is .036" (-91mm). Needs:
B: Backlash can be adjusted to get proper pinion depth
A: Shim thickness can be changed to get proper pinion depth
Neither A or B
Both A and B
45
AWD system shown will not illumin8 the AWD light. Pin 4-12v. When pin3 grounded, AWD illumin8's
Open fuse to AWD control unit
Failed AWD control unit
Failed AWD shift lock switch
Open AWD solenoid
46
A vehicle with a hydraulic clutch is hard to shift into gear and creeps forward at lights.
Master cylinder pushrod is adjusted too long
Worn clutch disc
Air in the hydraulic system
Wrong transmission fluid
47
After replace rear ring and pinion on 4WD the transfer case overheats badly when driven in 4x4
Both A and B
B: Installed the wrong ratio ring and pinion in the rear
Neither A or B
A: wrong lubricant in transfer case
48
A 4WD transfer case umps out of low range. Cause?
Worn chain and sprockets
Worn range fork
Too much front output end play
Bad indicator light switch
49
A vehicle with manual transaxle has axle seals replaced 3 times.
Brake clean it and flag 1.0 yo
B: Worn carrier
Both A and B
A: plugged transmission vent
50
A noise is heard when a transmission is in neutral and the clutch engaged and engine running
Both A and B
Neither A or B
A: Worn input shaft bearing could be the cause
B: Worn pilot bearing could be the cause
51
When removing or reinstalling a rear wheel drive transmission, guide studs are used to prevent:
Damage to the input shaft seal
Damage to the trasnmission case
Distortion of the clutch disc
Damage to the transmission shift lever
52
Vacuum operated 4x4 system does not disengage properly
Neither A or B
B: Loose transfer case chain
Both A and B
A: bad vacuum switch
53
Transmission fluid level is low and 4wd transfer case is too full Cause?
Plugged transfer case vent hose
Bad transmission shift cover gasket
Bad transmission adapter housing seal
Worn transfer case shifter seal
54
A noise is heard from the transaxle while at stop and in gear, clutch is disengaged. Cause?
Countershaft bearing
Pilot bearing
Mainshaft bearing
Differential bearing
55
4WD vehicle has bad clunk on takeoff in 4WD. Cause?
Both A and B
Neither A or B
B: Worn transfer case chain
A: Worn front driveshaft u joints
56
Teeth are chipped on component X as shown. Defect would be?
A: ABS problems
Neither A or B
Both A and B
B: speedometer inop
57
4WD transfer case does not engage when manually shifted to 4H. 4x4 indicator light not lit.
Failed locking front hubs
Misadjusted clutch linkage
failed transfer case chain
Misadjusted manual shift linkage
58
A standard transaxle locks in two gears at the same time, which is the most likely cause?
A worn shift fork
A worn synchronizer ring
A worn shift rail interlock
A worn input shaft gear
59
A RWD vehicle has whining noise during accel. Quiet on coast and decel.
Universal joint
differential gears
outer axle shaft bearing
ring and pinion gears
60
Owner of vehicle complains that shifting into 2nd gear the shifter binds and gears clash. Cause
Worn input shaft bearing
worn second gear detent
Worn second gear teeth
worn second gear blocker ring
61
On a differential the turning torque for assembly is above spec. To correct, tech should
Loosen companion flange nut
Install a smaller pinion depth adjusting shim
Reduce the carrier side bearing preload
Reduce spider gear backlash
62
Vehicle with AWD binds while making low speed turns. Drives normally in straight ahead. Cause?
Seized driveshaft u joint
Bad inner CV joint
Excessive side gear clearance
Locked viscous coupling
63
A vibration occurs at 40mph driving after a clutch was replaced. All could cause EXCEPT
Driveshaft reinstalled in different position than removed
Out of balance driveshaft
Hose clamps that wree found on driveshaft were moved
Loosed center support bearing bracket bolts
64
Vehicle with manual transaxle does not move with clutch engaged. Speedometer moves with revvs
broken differential gears
broken input shaft
broken output shaft
Stripped clutch disc splines
65
A transaxle is locked in two forward gears. The most likely cause is:
Worn synchronizer teeth on the speed gear
A seized cluster/countershaft gear
An inoperative detent mechanism
A broken interlock mechanism
66
The R/R brake shoes on a RWD vehicle are contaminated with gear oil. Cause?
B Bad axle bearing can cause
A: Bad axle seal can cause
Both A and B
Neither A or B
67
RWD vehicle has sever vibration between 25-40mph. No vibration during decel. Cause?
Bad u joint
Bent driveshaft
Worn axle shaft bearing
Worn ring gear
68
Check ring gear backlash measurements: .004" .007" .014" in 3 locations around ring gear. cause
Both A and B
A: too much pinion bearing preload
Excessive differential case runout
Neither A or B
69
Noise in the RF area during hard accelerating on a manual transaxle. Most likely cause?
A bad yoke
A bad clutch
A bad CV joint
A bad wheel bearing
70
The 5th gear shift fork has worn thin. Cause?
A: hard accelerations
Neither A or B
Both A and B
B: Binding shifter boot
71
Clutch pedal is depressed and engine revved to 2000 when a vibration is felt. Likely cause?
Excessive output shaft runout
Broken tooth on the main drive gear
worn clutch disc
failed dual mass flywheel
72
Vehicle with external shift rods jumps out of all gears
A: Worn shifter linkage
Both A and B
B: Flywheel with too much runout
Neither A or B
73
AWD vehicle has 4 tires changed with different sizes. What is the possible cause?
Neither A or B
Will cause premature transfer case wear
Viscous coupler can bind in turns
Both A and B
74
Measurement shown exceeds specification which indicates:
have driveshaft rebalanced
Install new center support bearing
recheck driveshaft u joint phasing
Replace driveshaft
75
A RWD has noise at highway speeds, goes away during "flat" mode but heard on accel and decel
worn spider gears
Worn ring and pinion
worn axle bearing
Excessive driveshaft runout
76
A FWD vehicle pulls sharply to the right while accelerating. Which could be the cause:
A loose power train mount
An improperly adjusted clutch
Worn input shaft bearings
An imbalanced half shaft
77
Synchronizer ring teeth are gouged and rolled over toward the back (flat) side. Cause?
Power shifting
Gear jumping
Clutch riding
Gear clashing
78
Differential as shown has too much side gear backlash. What is the required repair?
Neither A or B
A: New thrust washers installed
Both A and B
B: Side bearing adjuster nuts tightened
79
The ABS warning light illuminates immediately following a half shaft replacement on FWD. Step?
Initialize the ABS system
Inspect the half shaft tone wheel (reluctor)
swap halfshaft from side to side
Inspect halfshaft angles
80
A FWD makes whining noise that gets louder as the vehicle speed increases. Possible cause?
A bent 1-2 shift fork
A seized input shaft pilot bearing
Incorrect differential side bearing preload
A worn release (throw out) bearing
81
A FWD has a clicking noise on turns only
Neither A or B
B: Worn inboard CV joint
A: Worn outboard CV joint
Both A and B
82
A slipping clutch could be caused by:
A clutch disc installed backwards
A misadjusted clutch master cylinder pushrod
A leaking clutch master
Too much clutch pedal freeplay
83
Vibration is felt only on acceleration on a FWD vehicle. Cause?
worn inner CV joints
Out of balance half shaft
worn axle splines
out of balance front hub
84
Leak at rear of trans extension housing. Most likely cause
A: worn extension housing bushing
B: worn drive (propeller) shaft slip yoke
Both A and B
Neither A or B
85
The front axle on an AWD vehicle makes knocking noise on turns only. Cause?
broken side gear tooth
Worn differential pinion shaft
stripped actuator sleeve splines
broken ring gear tooth
86
When replacing a reverse idler gear with a fractured tooth, the technician should also replace
Reverse idler shaft
Reverse shift fork
Mainshaft reverse gear
Transmission case
87
Pinion bearings R being replaced in a diff w collapsible spacer. Pinion preload measures 2 low.
Tighten the pinion gear to ring gear backlash and recheck
Add preload to the carrier side bearings and recheck
Add a shim under the front bearing and recheck the torque
Tighten the companion flange nut and recheck the torque
88
Vehicle with 2 piece driveshaft has growling noise at all speeds. Cause?
Parking brake drag
Worn center support bearing
Incorrect u joint phasing
Frozen U joint
89
FWD vehicle has history of CV joint failures
Neither A or B
A: Improper axle nut torque causes this
B: Worn transaxle mounts cause this
Both A and B
90
A 4WD vehicle with no center differential experiences wheel binding during turns on dry roads
Neither A or B
A: wrong driveshaft angles
B: Wrong adjustment of the turn stops
Both A and B
91
A light truck has a vibration when backing up with a trailer. Which is the most likely cause?
Excessive driveshaft runout
An out of balance driveshaft
Frozen parking brake cable
Improper driveshaft working angles
92
Fluid from a manual transmission is causing an overfull condition in the transfer case. Cause?
Using the wrong fluid in the transmission
Leaking double lip seal between the 2 cases
Fluid leaking through the output shaft bearing
Using the wrong gasket between the two cases
93
Inspection of a differential ring gear tooth pattern reveals uneven pattern around ring gear
too much backlash
bent companion flange
excessive pinion bearing preload
excessive runout
94
A front wheel drive vehicle pulls sharply to the right on acceleration. Which could cause?
loose powertrain mount
worn input shaft bearings
improperly adjusted clutch
imbalanced half shaft
95
Gear tooth pattern shows indicates:
incorrect pinion depth
correct contact pattern
incorrect pinion bearing preload
Incorrect backlash
96
Proper operation of LSD should be verified by:
Measuring the rotating torque of both wheels one at a time
perform an neutral coast down test
Driving in figure 8's
Disabling traction control and lighting em up
97
A vehicles hydraulic clutch holds on accel but slips with the slightest pedal application
misadjusted clutch master cylinder pushrod
defective pressure plate
worn spring damper assembly
leaking clutch master assembly
98
A: the setup shown used check flywheel runout. B: Setup shown used to check crankshaft end play
B only
A only
Both A and B
Neither A or B
99
Which of these methods should be used to remove a tight fitting rear bearing from a main shaft?
A hammer and sleeve
An oxygen acetylene torch
A hydraulic press
A dead blow hammer and brass drift
100
A clutch chatters every time the vehicle accelerates from a stop.
Broken return spring
Bent clutch pedal
Worn pilot bearing
Warped flywheel

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