Vibration Analysis - Road Testing

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Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. Obtaining rotational speed for the components rotating at both tire/wheel speed and propeller shaft speed is critical to systematically eliminating specific vehicle component groups. These component rotation...

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Document Tags

Document Title: Vibration Analysis - Road Testing

test

description

diagnostic

rotational

speed

tire

wheel

propeller

shaft

specific

vehicle

component

observe

match

customer

frequency

which

disturbance

electronic

vibration

analyzer

sensor

onto

reading

duplicate

occurs

accelerate

neutral

engine

range

concern

road

diagnosis

step

correction

steering

obtain

drive

axle

ratio

available

transmission

gear

calculate

install

scan

tool

data

select

only

analysis

column

smooth

level

slowly

dominant

component rotational

customer description

frequency reading

customer concern

vibration diagnosis

engine speed

vibration analysis

steering column

select smooth

level road

road slowly

slowly accelerate

accelerate vehicle

vehicle speed

gear range

disturbance occurs

component rotational speeds

down disturbance range

tire wheel assemblies

wheel assemblies steering

final drive ratio

vibration analysis engine

select smooth level

smooth level road

level road slowly

road slowly accelerate

slowly accelerate vehicle

observe vehicle disturbances

vehicle disturbances match

customer description following

description following conditions

following conditions vehicle

conditions vehicle speed

transmission gear range

gear range specific

range specific gear

vibration frequency reading

sound disturbance vibration

disturbance vibration seems

vibration seems excite

seems excite particular

excite particular component

vehicle steering column

sensor onto that

component repeat steps

repeat steps duplicate

steps duplicate customer

duplicate customer concern

vibration diagnostic aids

vibration analysis driveline

symptoms vibration diagnosis

vibration diagnosis correction

dominant frequency reading

frequency reading recorded

frequency data clearly