Vibration Analysis - Engine

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Test Description

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

  1. If powertrain related DTCs are present, there may be a powertrain performance condition present which could be a contributing cause to the customer's concern.
  2. Making comparisons of the customer's vehicle...

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Service Manual Table of Contents

Document Tags

Document Title: Vibration Analysis - Engine

test

diagnostic

powertrain

dtcs

present

customer

vehicle

vibration

analysis

step

scan

tool

park

electronic

analyzer

available

engine

place

transmission

slowly

increase

level

disturbance

noticeable

record

obtained

most

dominant

frequency

reading

reverse

characteristics

electronic vibration

vibration analyzer

increase engine

record engine

obtained scan

tool most

reading obtained

equipped model year

model year type

year type vehicle

apply service brakes

service brakes park

brakes park brake

electronic vibration analyzer

place transmission neutral

transmission neutral park

slowly increase engine

obtained scan tool

scan tool most

frequency reading obtained

place transmission drive

frequency data obtained

available place transmission

place transmission reverse

then repeat steps

repeat steps and

steps and reverse

and reverse loading

powertrain increase change

increase change characteristics

vibration diagnostic aids

vibration analysis engine

analysis engine accessory

engine accessory isolation

disturbance noticeable customer

noticeable customer vehicle