Electronically shifted t-case shift into 4H from 2WD. 4x4 light flashes then 2wd re-illuminates

A: Failed transfer case shift motor

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

B: Bad front axle electric shift unit could cause

Vehicle with a manual transaxle makes noise on turns

B: Worn differential pinion (spider) gears

ring gear2pinion backlash in a rear axle is excessive, preload meets spec. correction is:

+ shim thickness on ring gear side and - equal on pinion

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

Proper operation of LSD should be verified by:

Measuring the rotating torque of both wheels one at a time

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

Differential case bearing failure

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

A: a measurement of 0 ohms indicates a failed sensor

A growling noise is heard from the axle in all drive ranges. Cause?

Worn differential side bearings

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

Pinion depth, pinion preload, side bearing preload, backlash

5spd transaxle grinds attempting a 1-2 shift. 1-2 shift no grind w/ engine running & car @ rest

A damaged 2nd gear synchronizer blocking ring

A FWD makes whining noise that gets louder as the vehicle speed increases. Possible cause?

Incorrect differential side bearing preload

What is being checked in the image shown?

friction disc material thickness

B: Used to check rear axle shaft endplay

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Manual DriveTrain Learning Objectives NATEF

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ase a3 manual transmission and drive line

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Questions 147

Answers

1
A 4WD with locking hubs is hard to shift from 4H to 2WD, also noise in 4H. Likely cause?
Bent driveshhhh.....havent we seen this one before?
faluty input shaft
Bent shift fork
Different tire sizes
2
Electronically shifted t-case shift into 4H from 2WD. 4x4 light flashes then 2wd re-illuminates
A: Failed transfer case shift motor
Both A and B
B: Failed 4wd selector switch
Neither A or B
3
RWD vehicle has sever vibration between 25-40mph. No vibration during decel. Cause?
Worn axle shaft bearing
Worn ring gear
Bad u joint
Bent driveshaft
4
A vehicle has a hard (delayed) 3-2 shift but all other shifts OK. Most likely cause?
Incorrect gear clearance
Worn 2 blocking ring
Worn 3 blocking ring
Incorrect lubricant
5
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
Worn differential side gear
Bad differential bearing on right side of carrier
6
Synchronizer ring teeth are gouged and rolled over toward the back (flat) side. Cause?
Power shifting
Clutch riding
Gear jumping
Gear clashing
7
ring gear runout within spec. backlash: .004" .006" .007" and .0011" measurement indicates:
too much pinion preload
to much pinion gear depth
a bad pinon gear
backlash needs to be readjusted
8
Electrically activated 4WD will not engage. Who is correct?
A: Broken transfer case chain could cause
B: Bad front axle electric shift unit could cause
Both A and B
Neither A or B
9
A customer with manual trans complains about excessive shift effort in all gears. Cause?
improperly adjusted back up light switch
too little differential bearing preload
worn counter shaft bearing
incorrect fluid type
10
Teeth are chipped on component X as shown. Defect would be?
Neither A or B
B: speedometer inop
Both A and B
A: ABS problems
11
Manual transmission difficult to shift all gears when cold. Cause?
A: Bent shift fork
Both A and B
B: Wrong transmission fluid
Neither A or B
12
A 4WD vehicle with no center differential experiences wheel binding during turns on dry roads
A: wrong driveshaft angles
Both A and B
B: Wrong adjustment of the turn stops
Neither A or B
13
Vehicle with a manual transaxle makes noise on turns
Neither A or B
A: Worn output shaft bearing
B: Worn differential pinion (spider) gears
Both A and B
14
ring gear2pinion backlash in a rear axle is excessive, preload meets spec. correction is:
increase the shim thickness on the ring gear side only
increase shims on both sides
+ shim thickness on ring gear side and - equal on pinion
increase shim thickness on pinion side decrease on ring side
15
After replace rear ring and pinion on 4WD the transfer case overheats badly when driven in 4x4
A: wrong lubricant in transfer case
Both A and B
Neither A or B
B: Installed the wrong ratio ring and pinion in the rear
16
Vehicle leaks fluid from rear axle pinion seal area. Cause?
Excessive gear lash
Worn u joint
Incorrect pinion depth
Loose pinion shaft nut
17
AWD system shown will not illumin8 the AWD light. Pin 4-12v. When pin3 grounded, AWD illumin8's
Failed AWD shift lock switch
Open AWD solenoid
Open fuse to AWD control unit
Failed AWD control unit
18
Transaxle hard to shift when cold. A: tight synchronizersn B: incorrect lubricant
A only
Neither
Both
B only
19
Proper operation of LSD should be verified by:
Driving in figure 8's
Measuring the rotating torque of both wheels one at a time
perform an neutral coast down test
Disabling traction control and lighting em up
20
Vehicle with manual transaxle has slight vibration during turns. Likely cause?
bad differential side bearing
Worn outer CV joint
out of balance half shaft
Worn inner CV joint
21
RWD vehicle has howling noise from axle and low frequency vibration around 30mph. Cause?
Differential case bearing failure
Pinion bearing failure
Differential case runout
Exhaust system drone
22
A speed sensor circuit problem is detected. Diagnosis is being performed.
B: constant 12 volt output signal indicates the sensor works
Neither A or B
A: a measurement of 0 ohms indicates a failed sensor
Both A and B
23
A 4WD with system shown, the front axle actuator works but the 4WD indicator lamp is inop. Why?
open ground at g200
Open A/C heater 25 amp fuse
Bad front axle switch
bad transfer case switch
24
Refer to question 85 of the study guide!
Z
W
X
Y
25
A: the setup shown used check flywheel runout. B: Setup shown used to check crankshaft end play
B only
Neither A or B
A only
Both A and B
26
A differential is being reassembled.
Neither A or B
A: Pinion preload must be set before gear pattern is checked
B: Side bearing preload must be set before gear pattern chek
Both A and B
27
A FWD vehicle pulls sharply to the right while accelerating. Which could be the cause:
An improperly adjusted clutch
Worn input shaft bearings
An imbalanced half shaft
A loose power train mount
28
A growling noise is heard from the axle in all drive ranges. Cause?
Excessive differential case runout
Low spot on the ring and pinion
Excessive pinion gear runout/wobble
Worn differential side bearings
29
A: driveshaft can be balanced using 2 hose clamps. B: Driveshaft runout check w dial indicator
Neither A or B
Both A and B
B only
A only
30
4WD tranfer case has loud noise in 4wd low range only. What is the likely cause?
Neither
Damaged planetary gear set
Both
Bad front output bearing
31
Which of the following represents the correct order to set up a differential?
Side bearing preload, backlash, pinion depth, pinion preload
backlash, pinon depth, side bearing preload, pinion preload
Pinion depth, pinion preload, side bearing preload, backlash
pinion preload, pinion depth, side bearing preload, backlash
32
RWD vehicle has noise turning right. Cause?
Worn axle shaft bearing
Worn pinion bearing
Loose pinion nut
Chipped ring gear
33
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 output bearing
transfer case chain
34
A transaxle is hard to shift into 1st and 2nd gear. Shift effort normal in all other gears.
Worn input bearings
A binding 1-2 shift rail
A worn shifter cable
A broken 1-2 shift fork retainer
35
Measurement shown exceeds specification which indicates:
recheck driveshaft u joint phasing
Install new center support bearing
Replace driveshaft
have driveshaft rebalanced
36
5spd transaxle grinds attempting a 1-2 shift. 1-2 shift no grind w/ engine running & car @ rest
Misadjusted clutch pedal free play
A damaged 2nd gear synchronizer blocking ring
A missing synchronizer hub key
A damaged 2nd gear shift fork
37
A FWD makes whining noise that gets louder as the vehicle speed increases. Possible cause?
Incorrect differential side bearing preload
A seized input shaft pilot bearing
A bent 1-2 shift fork
A worn release (throw out) bearing
38
Which of these methods should be used to remove a tight fitting rear bearing from a main shaft?
A dead blow hammer and brass drift
An oxygen acetylene torch
A hydraulic press
A hammer and sleeve
39
When removing or reinstalling a rear wheel drive transmission, guide studs are used to prevent:
Damage to the trasnmission case
Damage to the transmission shift lever
Distortion of the clutch disc
Damage to the input shaft seal
40
The 5th gear shift fork has worn thin. Cause?
B: Binding shifter boot
Neither A or B
Both A and B
A: hard accelerations
41
A FWD has a clicking noise on turns only
B: Worn inboard CV joint
A: Worn outboard CV joint
Both A and B
Neither A or B
42
A vehicle with a manual transaxle makes a clicking only in reverse. This could be caused by:
Loose pressure plate springs
A jammed back up light switch
A worn input shaft
A chipped idler gear tooth
43
What is being checked in the image shown?
spline alignment
Spring height
clutch straighness
friction disc material thickness
44
Setup shown checks?
Both A and B
Neither A or B
B: Used to check rear axle shaft endplay
A: check rear axle shaft flange to backing plate clearance
45
When installing a clutch assembly, tech should use a clutch aligning tool to align the:
Pilot bearing with release bearing
Release bearing with the pressure plate
The pressure plate with clutch disc
Clutch disc with pilot bearing
46
Owner of vehicle complains that shifting into 2nd gear the shifter binds and gears clash. Cause
Worn input shaft bearing
worn second gear blocker ring
worn second gear detent
Worn second gear teeth
47
Clutch pedal shown is being replaced. Pushrod adjust screw too long causing 0 free play causes
Chatter
Noise
Slip
Drag
48
Two techs are discussing picture shown
A: Leave hose clamps when removing driveshaft
B: Mark driveshafts before removal
Neither A or B
Both A and B
49
A RWD vehicle with a single piece drive shaft (propeller shaft) has a vibration. Cause?
Both A and B
B:Worn universal joint
A: Companion flange has too much runout
Neither A or B
50
AWD vehicle has 4 tires changed with different sizes. What is the possible cause?
Neither A or B
Both A and B
Viscous coupler can bind in turns
Will cause premature transfer case wear
51
Shifter on a manual transmission is loose and missing one "gate". Cause?
bad blocker ring
worn out shift tower bushing
broken detent spring
worn out shifter bushing
52
When replacing a reverse idler gear with a fractured tooth, the technician should also replace
Transmission case
Reverse idler shaft
Reverse shift fork
Mainshaft reverse gear
53
A:tooth contact pattern determines pinion depth B:contact patter check determines side preload
Both A and B
B only
Neither A or B
A only
54
Transaxle umping out of gear. A: worn shift linkage B: excessive internal geartrain end play
B only
choose #3 my lord
A only
both a and b
55
A vehicle with manual transaxle chatters in first as clutch engages. Ok in reverse
Binding pilot bearing
misadjusted clutch linkage
oil on the clutch disc
worn engine mounts
56
A vehicle with a hydraulic clutch is hard to shift into gear and creeps forward at lights.
Air in the hydraulic system
Wrong transmission fluid
Worn clutch disc
Master cylinder pushrod is adjusted too long
57
A vehicle with manual transaxle has axle seals replaced 3 times.
Both A and B
B: Worn carrier
A: plugged transmission vent
Brake clean it and flag 1.0 yo
58
On a differential the turning torque for assembly is above spec. To correct, tech should
Reduce spider gear backlash
Reduce the carrier side bearing preload
Install a smaller pinion depth adjusting shim
Loosen companion flange nut
59
Pinion bearings R being replaced in a diff w collapsible spacer. Pinion preload measures 2 low.
Add a shim under the front bearing and recheck the torque
Add preload to the carrier side bearings and recheck
Tighten the pinion gear to ring gear backlash and recheck
Tighten the companion flange nut and recheck the torque
60
During differential disassembly a prybar is needed to remove a carrier from shim type housing.
Loose side bearing preload
Ring and pinion gear interference
excessive pinion bearing preload
Normal side bearing preload
61
Leak at rear of trans extension housing. Most likely cause
B: worn drive (propeller) shaft slip yoke
Both A and B
A: worn extension housing bushing
Neither A or B
62
The CV joint on a front half shaft is separated on a FWD. Cause?
binding cv joint
Incorrect front end alignment
weak front struts
broken engine mounts
63
During a routine 60k, a manual trans fluid contains brass filings when being drained. Cause?
worn shaft bearings
worn speedometer gear teeth
worn blocker rings
worn thrust washers
64
A 4WD transfer case umps out of low range. Cause?
Worn range fork
Worn chain and sprockets
Too much front output end play
Bad indicator light switch
65
Tech determines that driveshaft working angles are not within spec. Possible cause?
Mismatched front and rear tire sizes
Worn extension housing bushing
Incorrect vehicle ride height
Worn drive pinion front bearing
66
5 spd RWD trans is noisy in all forward gears except 4th (direct). Most likely cause is a worn:
Input shaft bearing
Rear output shaft bearing
Main-shaft thrust bearing
Countershaft bearing
67
A vibration occurs at 40mph driving after a clutch was replaced. All could cause EXCEPT
Loosed center support bearing bracket bolts
Driveshaft reinstalled in different position than removed
Out of balance driveshaft
Hose clamps that wree found on driveshaft were moved
68
A 5 speed transaxle is hard to shift from 3rd to 4th
Neither A or B
B: Chipped 4th gear
Both A and B
A: Bent shift fork
69
A noise is heard when a transmission is in neutral and the clutch engaged and engine running
Both A and B
B: Worn pilot bearing could be the cause
Neither A or B
A: Worn input shaft bearing could be the cause
70
Vehicle with AWD binds while making low speed turns. Drives normally in straight ahead. Cause?
Locked viscous coupling
Excessive side gear clearance
Bad inner CV joint
Seized driveshaft u joint
71
Inspection of a differential ring gear tooth pattern reveals uneven pattern around ring gear
bent companion flange
excessive pinion bearing preload
excessive runout
too much backlash
72
Vehicle with 2 piece driveshaft has growling noise at all speeds. Cause?
Incorrect u joint phasing
Worn center support bearing
Parking brake drag
Frozen U joint
73
Fluid from a manual transmission is causing an overfull condition in the transfer case. Cause?
Fluid leaking through the output shaft bearing
Using the wrong fluid in the transmission
Leaking double lip seal between the 2 cases
Using the wrong gasket between the two cases
74
Vehicle with external shift rods jumps out of all gears
Neither A or B
B: Flywheel with too much runout
A: Worn shifter linkage
Both A and B
75
Electric shift transfer case will not shift 4L when stopped. Cause?
Neither A or B
B: Failed transmission range sensor
A: Bad electric shift motor
Both A and B
76
The clutch will not disengage immediately after replacing the clutch kit. Most likely cause?
Worn transmission shift linkage
Clutch disc is too thick
Clutch disc installed backwards
Worn engine mounts
77
Which is being checked in the image shown?
transmission operating angle
driveshaft angle
u joint operating angle
drive pinion angle
78
Noise in the RF area during hard accelerating on a manual transaxle. Most likely cause?
A bad wheel bearing
A bad clutch
A bad yoke
A bad CV joint
79
Setup shown, the tech is checking:
Backlash
Runout
Endplay
Preload
80
When reassembling a transaxle, which of these bearing may require a preload?
Tapered roller bearings
Straight roller bearings
Ball bearings
Caged needle bearings
81
4WD vehicle has bad clunk on takeoff in 4WD. Cause?
Both A and B
B: Worn transfer case chain
A: Worn front driveshaft u joints
Neither A or B
82
A clutch is being replaced. What is true?
The disc, press plate, and release bearing should be changed
The condition of bearing retainer needs inspection
83
The R/R brake shoes on a RWD vehicle are contaminated with gear oil. Cause?
Neither A or B
B Bad axle bearing can cause
Both A and B
A: Bad axle seal can cause
84
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
85
A vehicles hydraulic clutch holds on accel but slips with the slightest pedal application
misadjusted clutch master cylinder pushrod
leaking clutch master assembly
worn spring damper assembly
defective pressure plate
86
A 5 spd transaxle has hard 3-4 shift. A: could be a bent shift fork B: could be a chipped 4th
Both
A only
Neither
B only
87
LSD being inspected. Clutch packs and thrust washers show excessive wear.
Neither A or B
Excessive driveshaft runout
Both A and B
A: caused by mismatched tires
88
Transmission jumps out of gear on hard accel. Cause?
Insufficient clutch pedal free play
Worn synchro teeth on the gear
Worn synchro blocker ring
Air in clutch hydraulic system
89
A vehicle w/ manual transaxe is difficult to shift into first and reverse while stopped. Cause?
Worn clutch disc
Too little clutch pedal free play
Air in the slave cylinder
Worn input shaft bearing
90
On vehicle with limited slip diff, what is likely cause of a chattering noise only when turning
worn differential side gears
Lubricant type or condition
Low clutch preload
worn differential pinion gears
91
A standard transaxle locks in two gears at the same time, which is the most likely cause?
A worn input shaft gear
A worn shift fork
A worn shift rail interlock
A worn synchronizer ring
92
Noise is heard with trans in neutral and clutch engaged (pedal released) and engine running.
B worn main shaft rear bearing
Neither A or B
Both A and B
A worn input shaft bearing
93
A RWD vehicle has whining noise during accel. Quiet on coast and decel.
ring and pinion gears
Universal joint
differential gears
outer axle shaft bearing
94
RWD vehicle has severe vibration 25-40 mph during acceleration. Not noticeable in deceleration
Bad U-joint
Bent driveshaft
Worn ring gear
Worn axle bearing
95
Too much runout on a ring gear mounting face of a differential case.
Both A and B
B: Place shims between case and ring gear
Neither A or B
A: true the face with a file
96
FWD vehicle has history of CV joint failures
Neither A or B
B: Worn transaxle mounts cause this
Both A and B
A: Improper axle nut torque causes this
97
Transaxle noise w engine & not moving. A: low lubricant level B: worn/damaged output shaft gear
B only
neither
A only
both
98
The front axle on an AWD vehicle makes knocking noise on turns only. Cause?
broken ring gear tooth
Worn differential pinion shaft
stripped actuator sleeve splines
broken side gear tooth
99
Clutch pedal has no resistance until pedal is near floor. Vehicle moves on when cranking in 1st
Worn clutch disc
Leaking clutch slave cylinder
Leaking front transmission seal
Worn clutch damper springs
100
Gear tooth pattern shows indicates:
Incorrect backlash
incorrect pinion bearing preload
incorrect pinion depth
correct contact pattern
101
Vehicle has clutch drag with pedal fully depressed. Cause?
Engine to transmission dowel pins missing
Improperly machined flywheel could be the cause
102
Which of the of the following is true:
Pinion bearing preload can be checked w carrier&ring gear on
Neither
Both
Rng gr runout can b chckd aftr carrier bearing prload is set
103
Transmission is growling in all forward gears except 4th. Most likely cause is a:
Worn mainshaft rear bearing
BAd synchronizer blocking ring
Worn countershaft bearing
Chipped input shaft
104
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
105
Transmission input shaft bearing has failed several times. Cause?
Neither A or B
Both A and B
A: Misaligned clutch housing
B: Poor finish on the input shaft bearing journal
106
A front wheel drive vehicle pulls sharply to the right on acceleration. Which could cause?
imbalanced half shaft
worn input shaft bearings
loose powertrain mount
improperly adjusted clutch
107
A hydraulic clutch would not fully disengage when the clutch pedal is pushed to the floor
Could be caused by a cracked firewall or cowl at the mount
Could be caused by air in the slave cylinder
108
A noise is heard from the transaxle while at stop and in gear, clutch is disengaged. Cause?
Differential bearing
Mainshaft bearing
Countershaft bearing
Pilot bearing
109
Vehicle with manual transaxle does not move with clutch engaged. Speedometer moves with revvs
Stripped clutch disc splines
broken output shaft
broken differential gears
broken input shaft
110
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 left and apply the same to the right
Remove shims from the right and apply the same to the left
111
4WD hard to shift form 4Hi to 2WD while driving highway but ok when stopped. Also noisey in 4WD
cracked hi-low fork
mismatched tires
overfilled transfer case
Worn input shaft bearing
112
4WD light is flashing and a 4wd dtc is stored indicating a front output speed sensor problem.
Resistance measurement of 0 ohms indicates failed sensor
A constant 12 volt signal indicates speed sensor working
Both
Neither
113
A clutch slips after the pressure plate and clutch disc are replaced. Cause?
Bad pressure plate could cause this
Binding clutch cable could cause this
114
Unequal backlash is measured at points around the ring gear. Cause?
too high of a preload setting
Binding pinion bearing
too much ring gear runout
wrong tooth pattern
115
Vehicle with a cable clutch makes a popping sound when depressed.
Misadjusted clutch pedal could cause
Worn automatic adjuster pawl
116
Differential as shown has too much side gear backlash. What is the required repair?
Neither A or B
B: Side bearing adjuster nuts tightened
A: New thrust washers installed
Both A and B
117
Diff pinion gear is stamped with -2 (-51mm) variance. Measured depth is .036" (-91mm). Needs:
Neither A or B
B: Backlash can be adjusted to get proper pinion depth
Both A and B
A: Shim thickness can be changed to get proper pinion depth
118
The ABS warning light illuminates immediately following a half shaft replacement on FWD. Step?
swap halfshaft from side to side
Initialize the ABS system
Inspect halfshaft angles
Inspect the half shaft tone wheel (reluctor)
119
Vacuum operated 4x4 system does not disengage properly
Neither A or B
A: bad vacuum switch
Both A and B
B: Loose transfer case chain
120
Road test gears clash when shifting all gears, excessive clutch pedal free play is also noticed
Neither
Worn pilot bearing/bushing could cause
Both
Damaged release fork and pivot could cause
121
Noise heard when transmission is in neutral with clutch engaged and engine running
A: Worn input shaft bearing
B: worn pilot bearing
Both A and B
Neither A or B
122
A noise that sounds in the differential or axle becomes louder when vehicle swerved right
Wheel bearing
Differential pinion gear
Side bearing
drive pinion
123
Vibration is felt only on acceleration on a FWD vehicle. Cause?
out of balance front hub
Out of balance half shaft
worn axle splines
worn inner CV joints
124
Check ring gear backlash measurements: .004" .007" .014" in 3 locations around ring gear. cause
Neither A or B
Excessive differential case runout
Both A and B
A: too much pinion bearing preload
125
Transfer case extension housing seal leaking. Cause?
A: Worn extension housing bushing
Neither A or B
B: Plugged transfer case vent
Both A and B
126
A: shims are used to adjust pinion preload. B: collapsible spacer used adjust pinion preload.
B only
Both A and B
A only
Neither A or B
127
A hydraulically actuated clutch slips under load. Likely cause?
Binding pilot bearing
Air in the hydraulic line
Weak clutch disc torsional springs
Weak pressure plate
128
The damaged clutch shown was replaced and failed shortly after the job. Most likely cause?
Clutch friction surface contamination
Missing engine dowel pins
Driving with foot resting on the clutch pedal
Improperly torqued pressure plate
129
W/ trans in 1st and vehicle not moving, vibration is felt at 2500 rpm when clutch is disengaged
An out of balance flywheel
An out of balance clutch disc
A worn first gear synchronizer
A bent transmission main shaft
130
A light truck has a vibration when backing up with a trailer. Which is the most likely cause?
An out of balance driveshaft
Improper driveshaft working angles
Excessive driveshaft runout
Frozen parking brake cable
131
A RWD has noise at highway speeds, goes away during "flat" mode but heard on accel and decel
Worn ring and pinion
Excessive driveshaft runout
worn axle bearing
worn spider gears
132
A clutch chatters every time the vehicle accelerates from a stop.
Worn pilot bearing
Warped flywheel
Broken return spring
Bent clutch pedal
133
When setting differential case bearing (side bearing) preload, tech should first:
Eliminate ring gear runout
Establish zero case end play
Measure axle shaft rotating torque
Set ring gear backlash
134
The viscous coupling in AWD has failed due to overheating. Cause?
Neither A or B
A: mismatched front to rear tire sizes could cause
Both A and B
B: Drive/propeller shaft imbalance could cause
135
Differential as shown has too little backlash. What is the repair?
Add shims to the left side
Remove shims from the left and apply the same to the right
Remove shims from the right and apply the same to the left
Add shims to the right side
136
4WD does not pull with the front wheels. Cause?
Both A and B
Neither A or B
B: Stripped axle hub splines
A: worn CV axle joints
137
Transmission fluid level is low and 4wd transfer case is too full Cause?
Worn transfer case shifter seal
Plugged transfer case vent hose
Bad transmission adapter housing seal
Bad transmission shift cover gasket
138
A transaxle is locked in two forward gears. The most likely cause is:
A seized cluster/countershaft gear
A broken interlock mechanism
An inoperative detent mechanism
Worn synchronizer teeth on the speed gear
139
A vehicles clutch slips only when warm. Which is the most likely cause?
Pushrod adjustment that is too short
Too little clutch pedal free play
A worn clutch disc
Weak pressure pressure
140
A differential is being set up. Which of the following is true?
Neither A or B
B Ring gear runout checked after carrier bearing preload set
Both A and B
A Pinion bearing preload can b check w carrier+ring installd
141
A clutch chatters when accelerating from a stop.
Excessive release bearing clearance
Leaking clutch master cylinder
Contaminated clutch hydraulic system
Oil on the clutch plate
142
Image shown, what is the shim used to adjust?
shaft end play
bearing clearance
bearing preload
Pinion depth
143
During the test drive of a RWD a noise is heard when clutch is disengaged (pedal down). Cause
Input shaft to main shaft needle bearing
Input shaft bearing
Input shaft pilot bearing
Counter shaft bearing
144
Driveshaft angles are inspected and found not in spec. Cause?
Worn drive pinion front bearing
Incorrrrrect ride height
MIsmatched tires
Worn extension housing
145
4WD transfer case does not engage when manually shifted to 4H. 4x4 indicator light not lit.
Misadjusted clutch linkage
Failed locking front hubs
Misadjusted manual shift linkage
failed transfer case chain
146
A: excessive pedal free play cause clutch to slip. B: Bad trans front seal cause clutch slip
Both A and B
A only
Neither A or B
B only
147
4x4 range indicator malfunctioning on a vehicle. After shifting to 4H the light flashes still
binding axle actuator sleeve
Worn axle actuator shift fork
failed transfer case position switch
Failed axle actuator position switch

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