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Quiz Fall 3/ Trades & Technology - Automotive
1
Full-floating axles support the inner end by floating it in the differential gear and the outer end by a bearing between the axle and the housing.
2
Wheel bearings control the positioning and reduce the rolling resistance of vehicle wheels.
3
A good metal blocker ring will have a thread-like inner surface with the threads coming to a sharp point.
4
It is recommended to check the lubricant level at each engine oil change.
5
The race of the bearing can be dented on bearings that has been shocked loaded.
6
According to the NLGI classification system, low numbers mean the grease is thick.
7
Small particles that decay and break off the bearing races are called electric arcing.
8
A defective wheel bearing is usually noisy while driving only on rough roads.
9
The rear axle seal leak can be cause by a clogged vent.
10
Crankshaft end-play of less than .002 inches is ok for self adjusting clutches only.
11
Tapered roller bearings usually requires preloading? T
12
Many rear-wheel-drive vehicles use an inner and an outer wheel bearing on the front wheels.
13
Always makes sure there is no cleaning solvent remaining on the bearing before packing the bearing grease.
14
Presses and pullers are often required for complete disassembly.
15
Most wheel bearings are standardized sizes.
16
On a transaxle, all of the speed gears are attached to the input shaft with lock rings.
17
Preload causes a slight drag as a shaft is rotated and can cause bearing damage.
18
A defective wheel or axle bearing often makes a noise similar to a tire with an aggressive mud or snow design.
19
Whenever a clutch job is done the hydraulic system must be bled.
20
A typical transaxle repair kit only consists of snap rings and gasket.
21
The heel of the ring gear is the smaller end of the gear.
22
Vibration only between 10 and 15 mph with a steady throttle indicates a U-joint problem (RWD car).
23
All the fifth gear set and synchronizer have a separate side case or side cover.
24
Never tighten taper roller bearings more than finger tight.
25
Blocker ring clearance can be checked using a dial caliper.
26
The radial clearance of a needle bearing is not adjustable.
27
The differential cover must be removed before removing the rear axle on all trucks.
28
The release bearing must be removed with the slave cylinder to keep fluid lost to a minimum.
29
Gears and bearing can be damaged in just a few days if operated with low lubricant level.
30
A rough transmission bearing should be cleaned, dried, and rechecked.
31
The axle gears are always rotating at the same speed as the differential case.
32
All the gears of a transaxle are helical cut.
33
Operations of the synchronizers in a transaxle are the same as those in a transmission.
34
Lubrication used in most transaxles uses engine-driven oil pump.
35
The shift into reverse in all transaxle slides the reverse idler gear into mesh with the gear on input shaft and a gear around the 1-2 synchronizer assembly.
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