Bulletin Information

Bulletin Title: #17-NA-166 - Rough Idle in Drive - (Sep 11, 2019)
Bulletin Type: Technical
Applies To: Engine Mechanical

Applicable Vehicles

2019 Chevrolet Tahoe - 4WD
2019 Chevrolet Tahoe - 2WD
2019 Chevrolet Suburban - 4WD
2019 Chevrolet Suburban - 2WD
2019 Cadillac Escalade ESV - 4WD
2019 Cadillac Escalade ESV - 2WD
2019 Cadillac Escalade - 4WD
2019 Cadillac Escalade - 2WD
2018 GMC Truck Sierra - 4WD
2018 GMC Truck Sierra - 2WD
2018 Chevrolet Tahoe - 4WD
2018 Chevrolet Tahoe - 2WD
2018 Chevrolet Suburban - 4WD
2018 Chevrolet Suburban - 2WD
2018 Chevrolet Silverado - 4WD
2018 Chevrolet Silverado - 2WD
2018 Cadillac Escalade ESV - 4WD
2018 Cadillac Escalade ESV - 2WD
2018 Cadillac Escalade - 4WD
2018 Cadillac Escalade - 2WD
2017 GMC Truck Yukon XL - 4WD
2017 GMC Truck Yukon XL - 2WD
2017 GMC Truck Yukon - 4WD
2017 GMC Truck Yukon - 2WD
2017 GMC Truck Sierra - 4WD
2017 GMC Truck Sierra - 2WD
2017 Chevrolet Tahoe - 4WD
2017 Chevrolet Tahoe - 2WD
2017 Chevrolet Suburban - 4WD
2017 Chevrolet Suburban - 2WD
2017 Chevrolet Silverado - 4WD
2017 Chevrolet Silverado - 2WD
2017 Cadillac Escalade ESV - 4WD
2017 Cadillac Escalade ESV - 2WD
2017 Cadillac Escalade - 4WD
2017 Cadillac Escalade - 2WD
2016 GMC Truck Yukon XL - 4WD
2016 GMC Truck Yukon XL - 2WD
2016 GMC Truck Yukon - 4WD
2016 GMC Truck Yukon - 2WD
2016 GMC Truck Sierra - 4WD
2016 GMC Truck Sierra - 2WD
2016 Chevrolet Tahoe - 4WD
2016 Chevrolet Tahoe - 2WD
2016 Chevrolet Suburban - 4WD
2016 Chevrolet Suburban - 2WD
2016 Chevrolet Silverado - 4WD
2016 Chevrolet Silverado - 2WD
2016 Cadillac Escalade ESV - 4WD
2016 Cadillac Escalade ESV - 2WD
2016 Cadillac Escalade - 4WD
2016 Cadillac Escalade - 2WD
2015 GMC Truck Yukon XL - 4WD
2015 GMC Truck Yukon XL - 2WD
2015 GMC Truck Yukon - 4WD
2015 GMC Truck Yukon - 2WD
2015 GMC Truck Sierra - 4WD
2015 GMC Truck Sierra - 2WD
2015 Chevrolet Tahoe - 4WD
2015 Chevrolet Tahoe - 2WD
2015 Chevrolet Suburban - 4WD
2015 Chevrolet Suburban - 2WD
2015 Chevrolet Silverado - 4WD
2015 Chevrolet Silverado - 2WD
2015 Cadillac Escalade ESV - 4WD
2015 Cadillac Escalade ESV - 2WD
2015 Cadillac Escalade - 4WD
2015 Cadillac Escalade - 2WD
2014 GMC Truck Yukon XL - 4WD
2014 GMC Truck Yukon XL - 2WD
2014 GMC Truck Yukon - 4WD
2014 GMC Truck Yukon - 2WD
2014 GMC Truck Sierra 2500/3500 - 4WD
2014 GMC Truck Sierra 2500/3500 - 2WD
2014 GMC Truck Sierra 1500 - 4WD
2014 GMC Truck Sierra 1500 - 2WD
2014 Chevrolet Tahoe - 4WD
2014 Chevrolet Tahoe - 2WD
2014 Chevrolet Suburban - 4WD
2014 Chevrolet Suburban - 2WD
2014 Chevrolet Silverado 2500/3500 - 4WD
2014 Chevrolet Silverado 2500/3500 - 2WD
2014 Chevrolet Silverado 1500 - 4WD
2014 Chevrolet Silverado 1500 - 2WD
2014 Cadillac Escalade ESV - AWD
2014 Cadillac Escalade ESV - 2WD
2014 Cadillac Escalade - AWD
2014 Cadillac Escalade - 2WD

#17-NA-166 - Rough Idle in Drive - (Sep 11, 2019)

Subject:
Rough Idle in Drive

This Bulletin replaces PIP5211F. Please discard PIP5211F.


Brand:

Model:

Model Year:

VIN:

Engine:

Transmission:

from

to

from

to

Cadillac

Escalade Models

2015

2019

L83, L86, LV1, LV3 (4.3L, 5.3L, 6.2L)

All

Chevrolet

Silv...

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Document Tags

Document Title: #17-NA-166 - Rough Idle in Drive - (Sep 11, 2019)

rough

idle

drive

bulletin

discard

model

engine

transmission

condition

customers

vibration

following

stop

neutral

concern

missing

image

caused

ground

important

ensure

issue

frequency

pico

perform

procedure

section

lateral

sensor

seat

track

steps

install

updated

trans

reduce

amplitude

mount

shimming

replacement

settling

setup

duplication

disturbance

using

single

axis

vehicle

approximately

lower

reading

measures

determine

acceptable

place

inboard

forward

location

record

active

process

march

frame

removed

replace

time

sides

loosened

turns

assistant

brake

torque

evaluate

repeating

initial

evaluation

reduced

repeat

bolt

beginning

rear

position

middle

specifications

returns

remove

effect

spacer

washer

recorded

added

head

parts

information

labor

operation

revised

update

idle vibration

engine mounts

vibration concern

pico sensor

engine trans

ground engine

engine mount

mount replacement

updated engine

mounts engine

trans mount

mount settling

axis pico

axis sensor

inboard seat

track forward

vibration active

pico reading

important engine

mount frame

replace engine

evaluate rough

repeating steps

steps initial

duplication evaluation

vibration inboard

location reduced

shimming procedure

bolt location

rear bolt

bolt position

middle bolt

vibration returns

mount bolts

washer approximately

vibration repeating

initial setup

bolt head

labor time

rough idle vibration

idle vibration concern

engine trans mounts

ground engine mounts

procedure engine mount

engine mount vibration

mount vibration grounding

vibration grounding mount

updated engine mounts

mounts engine trans

engine trans mount

trans mount settling

single axis pico

axis pico sensor

vehicle considered acceptable

inboard seat track

seat track forward

track forward location

seat track location

track location measures

install updated engine

mount settling process

engine mounts engine

important engine mount

engine mount frame

mount frame bolts

bolts removed process

removed process replace

process replace engine

replace engine mount

important impact wrenches

impact wrenches tightening

wrenches tightening engine

tightening engine mount

frame bolts damage

bolts damage threads

damage threads frame

threads frame result

engine mount replacement

loosened couple turns

transmission transfer case

transfer case mount

frame bolts sequence

evaluate rough idle

repeating steps initial

idle vibration inboard

vibration inboard seat

forward location reduced

single bolt location

bolt location shimming

idle vibration active

beginning loosen engine

loosen engine mount

time turns release

turns release clamp

release clamp load

rear bolt position

bolt position bolt

position bolt position

bolt position middle

position middle bolt

middle bolt position

idle vibration significantly

vibration significantly reduced

torque bolts specifications

validate vibration returns

repeat process mount

idle vibration return

engine mount bolts

bolts discard replace

discard replace bolts

spacer washer approximately

washer approximately thick

approximately thick engine

thick engine mount

idle vibration repeating

vibration repeating steps

steps initial setup

initial setup duplication

setup duplication evaluation

determine customer condition

customer condition acceptable

place added pico

added pico sensor

vibration active record

bolt head repeat

spacer washer position

washer position spacer

position spacer washer

mount frame attachment

frame attachment bolt

attachment bolt location

engine mount shimming

mount shimming procedure