Vibration Analysis - Engine

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    Special Tools
  • CH-51450-NVH  Oscilloscope Diagnostic Kit (w/NVH), or

  • EL-38792-A Electronic Vibration Analyzer (EVA) 2

For equivalent regional tools, refer to Special Tools and Equipment.

Test Description

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

  1. If pow...

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Service Manual Table of Contents

Document Tags

Document Title: Vibration Analysis - Engine

oscilloscope

diagnostic

aelectronic

vibration

analyzer

test

powertrain

dtcs

present

customer

vehicle

analysis

step

scan

tool

park

available

engine

place

transmission

slowly

increase

level

disturbance

noticeable

record

obtained

dominant

frequency

reading

reverse

characteristics

vibration analysis

increase engine

record engine

obtained scan

tool dominant

reading obtained

equally equipped model

equipped model year

model year type

year type vehicle

apply service brakes

service brakes park

brakes park brake

place transmission neutral

transmission neutral park

slowly increase engine

obtained scan tool

scan tool dominant

tool dominant frequency

frequency reading obtained

place transmission drive

frequency data obtained

available place transmission

place transmission reverse

transmission reverse repeat

reverse repeat steps

repeat steps and

steps and reverse

and reverse loading

reverse loading powertrain

change characteristics vibration

vibration diagnostic aids

vibration analysis engine

analysis engine accessory

engine accessory isolation

disturbance noticeable customer

noticeable customer vehicle