Bulletin Information

Bulletin Title: #16-NA-339 - Vibration Analysis Diagnostic Aids - (Jun 8, 2017)
Bulletin Type: Information
Applies To: Wheel Alignment / Front Suspension / Rear Suspension / Tires and Wheels / Propeller Shaft / Wheel Drive Shafts / Front Drive Axle / Rear Drive Axle / Exhaust / Air Suspension / Engine Controls and Fuel / Front End Alignment / Front Axle and Suspension / Wheels and Tires

#16-NA-339 - Vibration Analysis Diagnostic Aids - (Jun 8, 2017)

Subject:
Vibration Analysis Diagnostic Aids
Notice:

This bulletin is intended as a Starting Point to help in providing common understanding and recommendations for proper diagnosis, correction, and repair verification of vibration concerns or disturbances which might occur on Full-Size...

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Document Tags

Document Title: #16-NA-339 - Vibration Analysis Diagnostic Aids - (Jun 8, 2017)

vibration

analysis

diagnostic

bulletin

understanding

proper

diagnosis

correction

repair

occur

size

model

year

engine

transmission

from

condition

some

comment

concern

vehicle

specific

speed

noticed

highway

light

throttle

related

road

input

typically

rotating

balance

surface

quality

stability

used

roughness

identify

isolation

component

allowing

energy

reaction

example

noticeable

tire

wheel

order

stopped

drive

disturbance

first

ensure

correct

customer

complete

frequency

data

pico

scope

available

information

further

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issue

process

important

test

following

flat

type

smooth

inspect

aftermarket

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shown

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handling

suspension

noise

damaged

mind

depending

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utilized

check

slip

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axis

sensor

measurement

frequencies

assessment

perform

miles

eliminate

possible

contribution

spotting

closed

rear

identified

different

ride

acceleration

gear

mode

operation

driveline

described

area

reference

time

present

remove

evaluation

primary

need

position

narrow

band

part

affected

screen

determine

driving

evaluate

allow

higher

lower

observe

greater

source

steering

seats

cabin

using

focus

based

verify

found

prior

mounted

address

applicable

axle

propeller

shaft

required

worksheet

truck

procedure

addressed

training

appropriate

contact

especially

beginning

prop

ring

pinion

range

most

ratio

exhaust

drone

rough

idle

harsh

stiff

minor

possibly

over

refer

boom

pressure

buffeting

force

balancing

hunter

balancer

assemblies

suggestions

freq

mph

variation

assembly

center

radial

additional

document

numbers

cases

plane

plots

level

runout

roller

match

show

bead

seating

value

mount

replacement

reduce

specification

guideline

requires

suvs

published

measure

matching

replaced

vectoring

flange

outboard

removed

checked

flangeless

later

roadforce

this

video

rack

bushing

corrected

revised

hydraulic

description

joint

output

improvement

measured

peaks

system

adjustment

clamp

pitchline

setup

contributors

direct

response

backlash

tooth

excessive

owners

booming

active

fuel

management

changes

excite

roof

sheet

metal

readings

design

implemented

updated

reverse

certain

bumps

true

shock

module

producing

labor

harshness

demand

picoscope

overview

right

vibration concerns

vibration concern

vehicle speed

vibrations disturbances

isolation rotating

rotating component

related vibration

vibration noticeable

order tire

tire related

related isolation

related vibrations

correct condition

vibration disturbance

test drive

speed ranges

ranges noticeable

tire slip

measurement vibration

drive vehicle

flat spotting

throttle position

speed band

speed related

evaluate vibration

issue noticeable

noticeable light

lower speed

observe vibration

narrow speed

steering wheel

using pico

version bulletin

drive axle

engine related

vibration diagnostic

diagnostic training

noticeable highway

order prop

prop shaft

shaft related

axle ring

pinion related

related typically

most noticeable

depending gear

order engine

idle drive

rough harsh

stiff ride

smooth roads

minor road

cabin boom

boom buffeting

buffeting drone

road force

hunter road

force balancer

wheel assemblies

tire suggestions

force variation

wheel assembly

information hunter

balancer bulletin

bulletin information

information tire

tire radial

radial force

tire issues

higher order

hunter match

match mount

mount process

size suvs

runout measurement

steering gear

gear rack

bushing replacement

steering rack

ring gear

inspect propeller

perform prop

prop runout

evaluation drive

output shaft

shaft runout

level improvement

driveline system

adjustment procedure

pitchline runout

backlash adjustment

ensure possible

pico readings

refer condition

based pico

labor operation

noise vibration

vibration harshness

video demand

picoscope noise

harshness diagnostics

diagnostics overview

specific vehicle speed

isolation rotating component

rotating component systems

rotating components allowing

components allowing input

allowing input properly

input properly isolating

properly isolating energy

isolating energy component

energy component reaction

component reaction energy

rotating component related

order tire related

vibration disturbance classification

vibration disturbance roughness

test drive pico

drive pico scope

pico scope installed

vibration disturbance concern

vehicle speed ranges

speed ranges noticeable

axis pico sensor

drive vehicle miles

warm tires first

tires first eliminate

first eliminate possible

possible contribution flat

contribution flat spotting

pico scope data

narrow vehicle speed

vehicle speed band

speed related vibration

vibration appears aggravated

issue noticeable light

noticeable light throttle

using pico scope

latest version bulletin

vibration shortly tires

shortly tires mounted

tires mounted preventing

mounted preventing vibration

preventing vibration wheel

vibration wheel slip

wheel slip tire

slip tire sliding

tire sliding wheel

rotating component frequency

vibration diagnostic worksheet

analysis diagnostic training

tire related vibrations

noticeable beginning lower

beginning lower speed

lower speed ranges

ranges noticeable highway

noticeable highway speeds

order prop shaft

prop shaft related

drive axle ring

axle ring pinion

ring pinion related

pinion related disturbances

narrow speed range

speed range most

range most noticeable

range depending gear

depending gear ratio

order engine related

vehicle moving engine

rough idle drive

vehicle stopped drive

rough harsh stiff

harsh stiff ride

stiff ride concern

suspension most noticeable

relatively smooth roads

smooth roads minor

roads minor road

minor road input

cabin boom pressure

boom pressure boom

pressure boom buffeting

boom buffeting drone

hunter road force

road force balancer

force balancer ensure

order tire suggestions

tire suggestions freq

tire wheel assemblies

perform road force

road force variation

tire wheel assembly

information hunter road

force balancer bulletin

balancer bulletin information

bulletin information tire

information tire radial

tire radial force

radial force variation

tires road force

hunter match mount

match mount process

specification limit guideline

tire road force

currently published service

published service information

numbers used vehicle

used vehicle exhibit

road force checked

refer latest version

steering gear rack

revised steering gear

bushings little effect

mounting bushing released

related vibration disturbance

inspect propeller shaft

perform prop runout

prop runout measurement

output shaft drive

propeller shaft runout

shaft runout measurement

transmission transfer case

transfer case output

case output shaft

driveline system balance

system balance adjustment

hose clamp method

response road input

backlash adjustment procedure

gear tooth contact

tooth contact pattern

vibration drone type

mode exhaust drone

changes implemented address

implemented address concern

evaluating vehicle concern

vehicle concern mind

ensure possible contributors

possible contributors addressed

direct response minor

response minor road

suspension control module

vehicles pico shows

pico shows sensitive

road input level

input level improvement

hydraulic steering gear

steering gear bushings

gear bushings condition

buffeting drone noise

virtual classroom training

noise vibration harshness

picoscope noise vibration

vibration harshness diagnostics

harshness diagnostics overview

frequency type circle

type circle tttpe

source vibration based

vibration based pico

right right rear

right rear rear