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

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

A hydraulic clutch would not fully disengage when the clutch pedal is pushed to the floor

Could be caused by air in the slave cylinder, Could be caused by a cracked firewall or cowl at the mount

On a differential the turning torque for assembly is above spec. To correct, tech should

Reduce the carrier side bearing preload

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 slipping clutch could be caused by:

A misadjusted clutch master cylinder pushrod

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

Incorrect differential side bearing preload

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

failed transfer case position switch

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

A: a measurement of 0 ohms indicates a failed sensor

The viscous coupling in AWD has failed due to overheating. Cause?

A: mismatched front to rear tire sizes could cause

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

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

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

A: Failed transfer case shift motor

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

Too little clutch pedal free play

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

B: Bad front axle electric shift unit could cause

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

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

Vehicle has clutch drag with pedal fully depressed. Cause?

Improperly machined flywheel could be the cause

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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Questions 147

Answers

1
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
worn differential pinion gears
Low clutch preload
2
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
3
4WD tranfer case has loud noise in 4wd low range only. What is the likely cause?
Damaged planetary gear set
Both
Neither
Bad front output bearing
4
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
5
Setup shown, the tech is checking:
Endplay
Preload
Backlash
Runout
6
The clutch will not disengage immediately after replacing the clutch kit. Most likely cause?
Worn engine mounts
Clutch disc installed backwards
Clutch disc is too thick
Worn transmission shift linkage
7
A front wheel drive vehicle pulls sharply to the right on acceleration. Which could cause?
worn input shaft bearings
loose powertrain mount
imbalanced half shaft
improperly adjusted clutch
8
Transaxle umping out of gear. A: worn shift linkage B: excessive internal geartrain end play
A only
both a and b
B only
choose #3 my lord
9
Teeth are chipped on component X as shown. Defect would be?
Neither A or B
A: ABS problems
B: speedometer inop
Both A and B
10
A hydraulic clutch would not fully disengage when the clutch pedal is pushed to the floor
Could be caused by air in the slave cylinder
Could be caused by a cracked firewall or cowl at the mount
11
Vehicle with external shift rods jumps out of all gears
Both A and B
Neither A or B
B: Flywheel with too much runout
A: Worn shifter linkage
12
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
13
On a differential the turning torque for assembly is above spec. To correct, tech should
Reduce the carrier side bearing preload
Loosen companion flange nut
Reduce spider gear backlash
Install a smaller pinion depth adjusting shim
14
A vehicle w/ manual transaxe is difficult to shift into first and reverse while stopped. Cause?
Air in the slave cylinder
Too little clutch pedal free play
Worn clutch disc
Worn input shaft bearing
15
4WD light is flashing and a 4wd dtc is stored indicating a front output speed sensor problem.
Both
Resistance measurement of 0 ohms indicates failed sensor
A constant 12 volt signal indicates speed sensor working
Neither
16
A slipping clutch could be caused by:
A clutch disc installed backwards
A leaking clutch master
A misadjusted clutch master cylinder pushrod
Too much clutch pedal freeplay
17
Which is being checked in the image shown?
transmission operating angle
driveshaft angle
drive pinion angle
u joint operating angle
18
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
19
A clutch chatters every time the vehicle accelerates from a stop.
Warped flywheel
Broken return spring
Worn pilot bearing
Bent clutch pedal
20
A FWD has a clicking noise on turns only
A: Worn outboard CV joint
Both A and B
Neither A or B
B: Worn inboard CV joint
21
Synchronizer ring teeth are gouged and rolled over toward the back (flat) side. Cause?
Gear jumping
Gear clashing
Clutch riding
Power shifting
22
4x4 range indicator malfunctioning on a vehicle. After shifting to 4H the light flashes still
Worn axle actuator shift fork
Failed axle actuator position switch
failed transfer case position switch
binding axle actuator sleeve
23
A speed sensor circuit problem is detected. Diagnosis is being performed.
A: a measurement of 0 ohms indicates a failed sensor
B: constant 12 volt output signal indicates the sensor works
Neither A or B
Both A and B
24
A differential is being reassembled.
Neither A or B
Both A and B
A: Pinion preload must be set before gear pattern is checked
B: Side bearing preload must be set before gear pattern chek
25
4WD vehicle has bad clunk on takeoff in 4WD. Cause?
A: Worn front driveshaft u joints
Both A and B
B: Worn transfer case chain
Neither A or B
26
A: excessive pedal free play cause clutch to slip. B: Bad trans front seal cause clutch slip
A only
Neither A or B
B only
Both A and B
27
Gear tooth pattern shows indicates:
incorrect pinion bearing preload
Incorrect backlash
correct contact pattern
incorrect pinion depth
28
Two techs are discussing picture shown
Neither A or B
B: Mark driveshafts before removal
A: Leave hose clamps when removing driveshaft
Both A and B
29
Transmission jumps out of gear on hard accel. Cause?
Worn synchro teeth on the gear
Air in clutch hydraulic system
Worn synchro blocker ring
Insufficient clutch pedal free play
30
Noise is heard with trans in neutral and clutch engaged (pedal released) and engine running.
A worn input shaft bearing
Neither A or B
Both A and B
B worn main shaft rear bearing
31
Transmission input shaft bearing has failed several times. Cause?
Both A and B
B: Poor finish on the input shaft bearing journal
A: Misaligned clutch housing
Neither A or B
32
The viscous coupling in AWD has failed due to overheating. Cause?
Both A and B
Neither A or B
B: Drive/propeller shaft imbalance could cause
A: mismatched front to rear tire sizes could cause
33
A hydraulically actuated clutch slips under load. Likely cause?
Weak clutch disc torsional springs
Air in the hydraulic line
Weak pressure plate
Binding pilot bearing
34
Driveshaft angles are inspected and found not in spec. Cause?
MIsmatched tires
Worn extension housing
Incorrrrrect ride height
Worn drive pinion front bearing
35
Differential as shown has too little backlash. What is the repair?
Remove shims from the right and apply the same to the left
Remove shims from the left and apply the same to the right
Add shims to the right side
Add shims to the left side
36
Electronically shifted t-case shift into 4H from 2WD. 4x4 light flashes then 2wd re-illuminates
Both A and B
A: Failed transfer case shift motor
Neither A or B
B: Failed 4wd selector switch
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
A transaxle is hard to shift into 1st and 2nd gear. Shift effort normal in all other gears.
A binding 1-2 shift rail
Worn input bearings
A worn shifter cable
A broken 1-2 shift fork retainer
39
RWD vehicle has noise turning right. Cause?
Loose pinion nut
Worn pinion bearing
Worn axle shaft bearing
Chipped ring gear
40
Electrically activated 4WD will not engage. Who is correct?
Neither A or B
Both A and B
A: Broken transfer case chain could cause
B: Bad front axle electric shift unit could cause
41
A FWD vehicle pulls sharply to the right while accelerating. Which could be the cause:
A loose power train mount
An improperly adjusted clutch
An imbalanced half shaft
Worn input shaft bearings
42
Image shown, what is the shim used to adjust?
bearing preload
shaft end play
bearing clearance
Pinion depth
43
A noise that sounds in the differential or axle becomes louder when vehicle swerved right
Wheel bearing
Side bearing
Differential pinion gear
drive pinion
44
ring gear2pinion backlash in a rear axle is excessive, preload meets spec. correction is:
increase shim thickness on pinion side decrease on ring side
increase shims on both sides
increase the shim thickness on the ring gear side only
+ shim thickness on ring gear side and - equal on pinion
45
Vehicle with manual transaxle has slight vibration during turns. Likely cause?
Worn outer CV joint
bad differential side bearing
Worn inner CV joint
out of balance half shaft
46
Vehicle has clutch drag with pedal fully depressed. Cause?
Engine to transmission dowel pins missing
Improperly machined flywheel could be the cause
47
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
overfilled transfer case
mismatched tires
48
Refer to question 85 of the study guide!
Z
W
X
Y
49
A vibration occurs at 40mph driving after a clutch was replaced. All could cause EXCEPT
Out of balance driveshaft
Hose clamps that wree found on driveshaft were moved
Driveshaft reinstalled in different position than removed
Loosed center support bearing bracket bolts
50
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
51
A noise is heard when a transmission is in neutral and the clutch engaged and engine running
B: Worn pilot bearing could be the cause
Neither A or B
Both A and B
A: Worn input shaft bearing could be the cause
52
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 companion flange nut and recheck the torque
Tighten the pinion gear to ring gear backlash and recheck
53
Shifter on a manual transmission is loose and missing one "gate". Cause?
worn out shifter bushing
broken detent spring
worn out shift tower bushing
bad blocker ring
54
Manual transmission difficult to shift all gears when cold. Cause?
B: Wrong transmission fluid
Neither A or B
A: Bent shift fork
Both A and B
55
A 4WD vehicle with no center differential experiences wheel binding during turns on dry roads
Both A and B
B: Wrong adjustment of the turn stops
A: wrong driveshaft angles
Neither A or B
56
Leak at rear of trans extension housing. Most likely cause
Both A and B
Neither A or B
B: worn drive (propeller) shaft slip yoke
A: worn extension housing bushing
57
A vehicle with manual transaxle has axle seals replaced 3 times.
A: plugged transmission vent
B: Worn carrier
Brake clean it and flag 1.0 yo
Both A and B
58
4WD transfer case does not engage when manually shifted to 4H. 4x4 indicator light not lit.
Misadjusted manual shift linkage
failed transfer case chain
Failed locking front hubs
Misadjusted clutch linkage
59
Electric shift transfer case will not shift 4L when stopped. Cause?
A: Bad electric shift motor
Both A and B
Neither A or B
B: Failed transmission range sensor
60
Transmission is growling in all forward gears except 4th. Most likely cause is a:
Chipped input shaft
Worn mainshaft rear bearing
Worn countershaft bearing
BAd synchronizer blocking ring
61
Transaxle hard to shift when cold. A: tight synchronizersn B: incorrect lubricant
Neither
A only
Both
B only
62
Measurement shown exceeds specification which indicates:
recheck driveshaft u joint phasing
Replace driveshaft
have driveshaft rebalanced
Install new center support bearing
63
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
64
A: shims are used to adjust pinion preload. B: collapsible spacer used adjust pinion preload.
Neither A or B
Both A and B
A only
B only
65
When setting differential case bearing (side bearing) preload, tech should first:
Establish zero case end play
Eliminate ring gear runout
Set ring gear backlash
Measure axle shaft rotating torque
66
W/ trans in 1st and vehicle not moving, vibration is felt at 2500 rpm when clutch is disengaged
An out of balance flywheel
A worn first gear synchronizer
A bent transmission main shaft
An out of balance clutch disc
67
Check ring gear backlash measurements: .004" .007" .014" in 3 locations around ring gear. cause
Neither A or B
A: too much pinion bearing preload
Excessive differential case runout
Both A and B
68
Clutch pedal has no resistance until pedal is near floor. Vehicle moves on when cranking in 1st
Leaking clutch slave cylinder
Leaking front transmission seal
Worn clutch disc
Worn clutch damper springs
69
When reassembling a transaxle, which of these bearing may require a preload?
Tapered roller bearings
Caged needle bearings
Straight roller bearings
Ball bearings
70
Transaxle noise w engine & not moving. A: low lubricant level B: worn/damaged output shaft gear
neither
A only
both
B only
71
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
72
A RWD vehicle has whining noise during accel. Quiet on coast and decel.
Universal joint
outer axle shaft bearing
ring and pinion gears
differential gears
73
Owner of vehicle complains that shifting into 2nd gear the shifter binds and gears clash. Cause
worn second gear blocker ring
Worn second gear teeth
Worn input shaft bearing
worn second gear detent
74
A clutch is being replaced. What is true?
The condition of bearing retainer needs inspection
The disc, press plate, and release bearing should be changed
75
A: the setup shown used check flywheel runout. B: Setup shown used to check crankshaft end play
Both A and B
Neither A or B
A only
B only
76
RWD vehicle has howling noise from axle and low frequency vibration around 30mph. Cause?
Differential case bearing failure
Pinion bearing failure
Exhaust system drone
Differential case runout
77
Vehicle with a manual transaxle makes noise on turns
A: Worn output shaft bearing
Both A and B
B: Worn differential pinion (spider) gears
Neither A or B
78
Vehicle with a cable clutch makes a popping sound when depressed.
Worn automatic adjuster pawl
Misadjusted clutch pedal could cause
79
What is being checked in the image shown?
Spring height
spline alignment
clutch straighness
friction disc material thickness
80
Road test gears clash when shifting all gears, excessive clutch pedal free play is also noticed
Both
Worn pilot bearing/bushing could cause
Damaged release fork and pivot could cause
Neither
81
A vehicle with a manual transaxle makes a clicking only in reverse. This could be caused by:
A jammed back up light switch
A chipped idler gear tooth
A worn input shaft
Loose pressure plate springs
82
A 4WD with locking hubs is hard to shift from 4H to 2WD, also noise in 4H. Likely cause?
Different tire sizes
Bent shift fork
faluty input shaft
Bent driveshhhh.....havent we seen this one before?
83
A vehicle has a hard (delayed) 3-2 shift but all other shifts OK. Most likely cause?
Incorrect lubricant
Worn 3 blocking ring
Worn 2 blocking ring
Incorrect gear clearance
84
A growling noise is heard from the axle in all drive ranges. Cause?
Excessive pinion gear runout/wobble
Excessive differential case runout
Worn differential side bearings
Low spot on the ring and pinion
85
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
86
Which of the following represents the correct order to set up a differential?
Side bearing preload, backlash, pinion depth, pinion preload
pinion preload, pinion depth, side bearing preload, backlash
Pinion depth, pinion preload, side bearing preload, backlash
backlash, pinon depth, side bearing preload, pinion preload
87
A noise is heard from the transaxle while at stop and in gear, clutch is disengaged. Cause?
Mainshaft bearing
Differential bearing
Countershaft bearing
Pilot bearing
88
When removing or reinstalling a rear wheel drive transmission, guide studs are used to prevent:
Distortion of the clutch disc
Damage to the transmission shift lever
Damage to the input shaft seal
Damage to the trasnmission case
89
A differential is being set up. Which of the following is true?
B Ring gear runout checked after carrier bearing preload set
Both A and B
Neither A or B
A Pinion bearing preload can b check w carrier+ring installd
90
Diff pinion gear is stamped with -2 (-51mm) variance. Measured depth is .036" (-91mm). Needs:
Both A and B
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
91
A: driveshaft can be balanced using 2 hose clamps. B: Driveshaft runout check w dial indicator
Both A and B
Neither A or B
A only
B only
92
A customer with manual trans complains about excessive shift effort in all gears. Cause?
incorrect fluid type
too little differential bearing preload
improperly adjusted back up light switch
worn counter shaft bearing
93
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
94
A:tooth contact pattern determines pinion depth B:contact patter check determines side preload
A only
Neither A or B
B only
Both A and B
95
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 damaged 2nd gear shift fork
A missing synchronizer hub key
96
A 4WD with system shown, the front axle actuator works but the 4WD indicator lamp is inop. Why?
bad transfer case switch
open ground at g200
Open A/C heater 25 amp fuse
Bad front axle switch
97
AWD system shown will not illumin8 the AWD light. Pin 4-12v. When pin3 grounded, AWD illumin8's
Failed AWD shift lock switch
Open fuse to AWD control unit
Open AWD solenoid
Failed AWD control unit
98
The R/R brake shoes on a RWD vehicle are contaminated with gear oil. Cause?
B Bad axle bearing can cause
Neither A or B
A: Bad axle seal can cause
Both A and B
99
Vacuum operated 4x4 system does not disengage properly
Both A and B
B: Loose transfer case chain
Neither A or B
A: bad vacuum switch
100
A transaxle is locked in two forward gears. The most likely cause is:
Worn synchronizer teeth on the speed gear
A broken interlock mechanism
A seized cluster/countershaft gear
An inoperative detent mechanism
101
ring gear runout within spec. backlash: .004" .006" .007" and .0011" measurement indicates:
too much pinion preload
a bad pinon gear
backlash needs to be readjusted
to much pinion gear depth
102
A vehicle with a hydraulic clutch is hard to shift into gear and creeps forward at lights.
Wrong transmission fluid
Master cylinder pushrod is adjusted too long
Worn clutch disc
Air in the hydraulic system
103
Clutch pedal shown is being replaced. Pushrod adjust screw too long causing 0 free play causes
Noise
Chatter
Slip
Drag
104
Unequal backlash is measured at points around the ring gear. Cause?
Binding pinion bearing
too high of a preload setting
too much ring gear runout
wrong tooth pattern
105
RWD vehicle has severe vibration 25-40 mph during acceleration. Not noticeable in deceleration
Worn ring gear
Bad U-joint
Worn axle bearing
Bent driveshaft
106
4WD does not pull with the front wheels. Cause?
B: Stripped axle hub splines
A: worn CV axle joints
Neither A or B
Both A and B
107
A RWD vehicle with a single piece drive shaft (propeller shaft) has a vibration. Cause?
B:Worn universal joint
Neither A or B
Both A and B
A: Companion flange has too much runout
108
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 spider gears
worn axle bearing
109
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
110
During differential disassembly a prybar is needed to remove a carrier from shim type housing.
Loose side bearing preload
excessive pinion bearing preload
Normal side bearing preload
Ring and pinion gear interference
111
During a routine 60k, a manual trans fluid contains brass filings when being drained. Cause?
worn shaft bearings
worn thrust washers
worn speedometer gear teeth
worn blocker rings
112
Vehicle with manual transaxle does not move with clutch engaged. Speedometer moves with revvs
broken input shaft
broken differential gears
Stripped clutch disc splines
broken output shaft
113
The ABS warning light illuminates immediately following a half shaft replacement on FWD. Step?
swap halfshaft from side to side
Inspect halfshaft angles
Inspect the half shaft tone wheel (reluctor)
Initialize the ABS system
114
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
115
During the test drive of a RWD a noise is heard when clutch is disengaged (pedal down). Cause
Input shaft bearing
Input shaft pilot bearing
Input shaft to main shaft needle bearing
Counter shaft bearing
116
The CV joint on a front half shaft is separated on a FWD. Cause?
weak front struts
Incorrect front end alignment
binding cv joint
broken engine mounts
117
AWD vehicle has 4 tires changed with different sizes. What is the possible cause?
Neither A or B
Will cause premature transfer case wear
Both A and B
Viscous coupler can bind in turns
118
5 spd RWD trans is noisy in all forward gears except 4th (direct). Most likely cause is a worn:
Rear output shaft bearing
Main-shaft thrust bearing
Countershaft bearing
Input shaft bearing
119
When replacing a reverse idler gear with a fractured tooth, the technician should also replace
Mainshaft reverse gear
Reverse shift fork
Reverse idler shaft
Transmission case
120
Noise heard when transmission is in neutral with clutch engaged and engine running
Neither A or B
A: Worn input shaft bearing
Both A and B
B: worn pilot bearing
121
A clutch chatters when accelerating from a stop.
Oil on the clutch plate
Excessive release bearing clearance
Leaking clutch master cylinder
Contaminated clutch hydraulic system
122
Which of these methods should be used to remove a tight fitting rear bearing from a main shaft?
An oxygen acetylene torch
A hydraulic press
A dead blow hammer and brass drift
A hammer and sleeve
123
Clutch pedal is depressed and engine revved to 2000 when a vibration is felt. Likely cause?
Broken tooth on the main drive gear
Excessive output shaft runout
failed dual mass flywheel
worn clutch disc
124
A 4WD transfer case umps out of low range. Cause?
Bad indicator light switch
Worn chain and sprockets
Too much front output end play
Worn range fork
125
Rear axle noise @ low speed on smooth roads. Increases on right turns, decreases on left turns
Worn differential side gear
Bad differential bearing on right side of carrier
Worn bearing on left axle
Too much side clearance at ring gear
126
Which of the of the following is true:
Rng gr runout can b chckd aftr carrier bearing prload is set
Neither
Both
Pinion bearing preload can be checked w carrier&ring gear on
127
Vehicle with AWD binds while making low speed turns. Drives normally in straight ahead. Cause?
Locked viscous coupling
Seized driveshaft u joint
Excessive side gear clearance
Bad inner CV joint
128
A light truck has a vibration when backing up with a trailer. Which is the most likely cause?
An out of balance driveshaft
Excessive driveshaft runout
Improper driveshaft working angles
Frozen parking brake cable
129
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
130
A 5 spd transaxle has hard 3-4 shift. A: could be a bent shift fork B: could be a chipped 4th
B only
Neither
Both
A only
131
A vehicles hydraulic clutch holds on accel but slips with the slightest pedal application
worn spring damper assembly
leaking clutch master assembly
defective pressure plate
misadjusted clutch master cylinder pushrod
132
Too much runout on a ring gear mounting face of a differential case.
Neither A or B
Both A and B
A: true the face with a file
B: Place shims between case and ring gear
133
A 4WD vehicle chatters and makes a popping noise on a hard accel from stop in 4WD mode. Worn:
transfer case output bearing
low range planetary gear
Extension housing bushing
transfer case chain
134
A 5 speed transaxle is hard to shift from 3rd to 4th
Both A and B
B: Chipped 4th gear
A: Bent shift fork
Neither A or B
135
A vehicle with manual transaxle chatters in first as clutch engages. Ok in reverse
oil on the clutch disc
Binding pilot bearing
worn engine mounts
misadjusted clutch linkage
136
Vehicle with 2 piece driveshaft has growling noise at all speeds. Cause?
Worn center support bearing
Frozen U joint
Parking brake drag
Incorrect u joint phasing
137
Proper operation of LSD should be verified by:
Driving in figure 8's
Disabling traction control and lighting em up
perform an neutral coast down test
Measuring the rotating torque of both wheels one at a time
138
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
Both A and B
A: wrong lubricant in transfer case
Neither A or B
139
Differential as shown has too much side gear backlash. What is the required repair?
Both A and B
B: Side bearing adjuster nuts tightened
Neither A or B
A: New thrust washers installed
140
Fluid from a manual transmission is causing an overfull condition in the transfer case. Cause?
Leaking double lip seal between the 2 cases
Using the wrong fluid in the transmission
Using the wrong gasket between the two cases
Fluid leaking through the output shaft bearing
141
Inspection of a differential ring gear tooth pattern reveals uneven pattern around ring gear
excessive pinion bearing preload
bent companion flange
excessive runout
too much backlash
142
A standard transaxle locks in two gears at the same time, which is the most likely cause?
A worn shift rail interlock
A worn input shaft gear
A worn synchronizer ring
A worn shift fork
143
Vehicle leaks fluid from rear axle pinion seal area. Cause?
Incorrect pinion depth
Loose pinion shaft nut
Worn u joint
Excessive gear lash
144
The 5th gear shift fork has worn thin. Cause?
A: hard accelerations
B: Binding shifter boot
Both A and B
Neither A or B
145
The front axle on an AWD vehicle makes knocking noise on turns only. Cause?
Worn differential pinion shaft
broken ring gear tooth
stripped actuator sleeve splines
broken side gear tooth
146
The damaged clutch shown was replaced and failed shortly after the job. Most likely cause?
Driving with foot resting on the clutch pedal
Improperly torqued pressure plate
Clutch friction surface contamination
Missing engine dowel pins
147
FWD vehicle has history of CV joint failures
B: Worn transaxle mounts cause this
A: Improper axle nut torque causes this
Both A and B
Neither A or B

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