Bulletin Information

Bulletin Title: #18-NA-355 - Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at Steady Speed - (Mar 1, 2019)
Bulletin Type: Technical
Applies To: Automatic Transmission / Transmission Cooling

Applicable Vehicles

2019 GMC Truck Canyon Pickup - 4WD
2019 GMC Truck Canyon Pickup - 2WD
2019 Chevrolet Corvette
2019 Chevrolet Colorado Pickup - 4WD (VIN T)
2019 Chevrolet Colorado Pickup - 2WD (VIN S)
2019 Chevrolet Camaro
2019 Cadillac CTS
2019 Cadillac CT6
2019 Cadillac ATS
2018 GMC Truck Sierra - 4WD
2018 GMC Truck Sierra - 2WD
2018 GMC Truck Canyon Pickup - 4WD
2018 GMC Truck Canyon Pickup - 2WD
2018 Chevrolet Silverado - 4WD
2018 Chevrolet Silverado - 2WD
2018 Chevrolet Corvette
2018 Chevrolet Colorado Pickup - 4WD (VIN T)
2018 Chevrolet Colorado Pickup - 2WD (VIN S)
2018 Chevrolet Camaro
2018 Cadillac CTS
2018 Cadillac CT6
2018 Cadillac ATS
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 GMC Truck Canyon Pickup - 4WD
2017 GMC Truck Canyon Pickup - 2WD
2017 Chevrolet Silverado - 4WD
2017 Chevrolet Silverado - 2WD
2017 Chevrolet Corvette
2017 Chevrolet Colorado Pickup - 4WD (VIN T)
2017 Chevrolet Colorado Pickup - 2WD (VIN S)
2017 Chevrolet Camaro
2017 Cadillac Escalade ESV - 4WD
2017 Cadillac Escalade ESV - 2WD
2017 Cadillac Escalade - 4WD
2017 Cadillac Escalade - 2WD
2017 Cadillac CTS
2017 Cadillac CT6
2017 Cadillac ATS
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 Silverado - 4WD
2016 Chevrolet Silverado - 2WD
2016 Chevrolet Corvette
2016 Chevrolet Camaro
2016 Cadillac Escalade ESV - 4WD
2016 Cadillac Escalade ESV - 2WD
2016 Cadillac Escalade - 4WD
2016 Cadillac Escalade - 2WD
2016 Cadillac CTS
2016 Cadillac CT6
2016 Cadillac ATS
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 Silverado - 4WD
2015 Chevrolet Silverado - 2WD
2015 Chevrolet Corvette
2015 Cadillac Escalade ESV - 4WD
2015 Cadillac Escalade ESV - 2WD
2015 Cadillac Escalade - 4WD
2015 Cadillac Escalade - 2WD

#18-NA-355 - Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at Steady Speed - (Mar 1, 2019)

Subject:
Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at Steady Speed
Attention: This Bulletin only applies to vehicles sold in the U.S., Canada and Middle East Operations (MEO). Mexico and Export Regions should follow Bulletin 19-NA-018.

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Document Tags

Document Title: #18-NA-355 - Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at Steady Speed - (Mar 1, 2019)

shudder

throttle

steady

speed

bulletin

canada

middle

east

engine

transmission

cadillac

escalade

models

chevrolet

camaro

colorado

corvette

silverado

canyon

sierra

yukon

region

condition

following

driving

over

mode

diagnosis

smooth

road

temperature

important

required

brake

gear

torque

range

vehicle

seconds

prevent

test

operation

disabled

open

enabled

locked

input

picoscope

frequency

vibration

information

application

trans

turbo

denali

confirm

concern

converter

clutch

fluid

flush

procedure

performed

present

slip

using

tool

component

obtain

screen

print

reference

completed

showing

exchange

block

assembly

drain

hose

spring

clamp

cooler

line

plug

rear

differential

adapter

radiator

graduated

bucket

transflow

machine

supply

reservoir

blue

label

mobil

synthetic

connect

switch

idle

place

care

expelled

flow

allow

removed

followed

published

process

proper

level

intermixing

types

aftermarket

additive

packages

result

concentration

provide

satisfactory

raise

hoist

install

remove

pipe

seal

tighten

measuring

utilizing

retain

damaged

excessive

exceed

hand

feed

lower

caution

pump

cavitation

possibly

damage

start

shut

immediately

battery

volts

shop

connection

reducing

maximum

added

allowing

additional

repeat

collected

properly

dispose

equipped

thermal

quart

partially

shift

forward

reverse

park

perform

check

outlined

directional

improved

eliminated

upper

filter

clip

tightentighten

retainer

fill

tube

filled

lever

part

labor

section

triple

yukon models

vehicle speed

vibration frequency

silverado sierra

torque converter

transmission fluid

fluid exchange

differential cooler

radiator cooler

cooler drain

drain adapter

transflow adapter

connect transflow

supply line

transflow idle

using care

transflow flow

allow fluid

exchange procedure

important procedure

procedure followed

published exchange

exchange process

process required

required obtain

obtain proper

fluid intermixing

types transmission

fluid aftermarket

concentration level

fluid provide

raise vehicle

fluid adapter

adapter remove

remove transmission

cooler pipe

place hose

graduated measuring

measuring bucket

bucket utilizing

utilizing spring

clamp retain

retain hose

remove level

level plug

plug transmission

important over

over tighten

excessive torque

torque exceed

assembly hand

hand tighten

transflow fluid

fluid feed

feed supply

lower vehicle

vehicle caution

caution remove

quarts fluid

fluid fluid

fluid pump

damage transmission

transmission utilizing

utilizing graduated

bucket start

start engine

engine seconds

seconds quarts

fluid expelled

expelled shut

shut engine

engine immediately

vehicle battery

volts connect

connect shop

reducing fluid

fluid level

level transflow

switch transflow

flow start

engine maximum

maximum quarts

fluid transmission

transmission transflow

transflow switch

idle quarts

quarts added

additional quarts

bucket reducing

additional transmission

fluid quarts

removed transmission

transmission reducing

repeat maximum

transmission allowing

engine quarts

install level

plug tighten

tighten tighten

tighten plug

install transmission

partially lower

care shift

shift transmission

transmission forward

forward ranges

ranges reverse

perform transmission

level condition

condition check

outlined procedure

procedure transmission

fluid temperature

temperature proper

proper temperature

shudder condition

condition directional

improved immediately

immediately fluid

condition eliminated

line using

vehicle remove

plug tightentighten

tightentighten plug

drain fill

over filled

filled transmission

level check

shift lever

check plug

labor operation

triple drain

shake shudder light

shudder light throttle

light throttle acceleration

involved region country

driving mode chevrolet

silverado sierra yukon

torque converter clutch

converter clutch disabled

clutch disabled mode

converter clutch enabled

clutch enabled mode

rear differential cooler

radiator cooler drain

cooler drain adapter

prepping procedure needs

procedure needs completed

fluid exchange procedure

important procedure followed

procedure followed published

followed published exchange

published exchange process

exchange process required

process required obtain

required obtain proper

obtain proper level

fluid intermixing types

intermixing types transmission

types transmission fluid

transmission fluid aftermarket

fluid aftermarket additive

fluid provide satisfactory

fluid adapter remove

cooler pipe assembly

adapter block assembly

graduated measuring bucket

measuring bucket utilizing

bucket utilizing spring

utilizing spring clamp

spring clamp retain

clamp retain hose

remove level plug

level plug transmission

important over tighten

damaged excessive torque

excessive torque exceed

assembly hand tighten

connect transflow fluid

transflow fluid feed

fluid feed supply

feed supply line

lower vehicle caution

vehicle caution remove

fluid fluid pump

fluid pump cavitation

possibly damage transmission

damage transmission utilizing

transmission utilizing graduated

utilizing graduated bucket

graduated bucket start

bucket start engine

start engine seconds

engine seconds quarts

seconds quarts fluid

quarts fluid expelled

fluid expelled shut

expelled shut engine

shut engine immediately

vehicle battery volts

battery volts connect

volts connect shop

transflow flow quarts

idle reducing fluid

reducing fluid level

fluid level transflow

flow start engine

start engine maximum

engine maximum quarts

fluid transmission transflow

transmission transflow switch

transflow switch idle

switch idle quarts

idle quarts added

quarts added allowing

allowing additional quarts

graduated bucket reducing

bucket reducing fluid

additional transmission fluid

transmission fluid quarts

removed transmission reducing

transmission reducing fluid

repeat maximum quarts

fluid transmission allowing

transmission allowing additional

shut engine quarts

engine quarts fluid

quarts fluid collected

transmission fluid vehicle

using care remove

install level plug

level plug tighten

plug tighten tighten

tighten tighten plug

thermal pass block

pass block cooler

block cooler pipes

cooler pipes escalade

pipes escalade silverado

escalade silverado sierra

sierra yukon models

flush quart fluid

partially lower vehicle

using care shift

care shift transmission

shift transmission forward

transmission forward ranges

forward ranges reverse

shift transmission park

perform transmission fluid

transmission fluid level

fluid level condition

level condition check

condition check outlined

check outlined procedure

outlined procedure transmission

procedure transmission fluid

transmission fluid temperature

fluid temperature proper

temperature proper temperature

shudder condition directional

condition directional improved

directional improved immediately

improved immediately fluid

immediately fluid exchange

shudder condition eliminated

exchange procedure camaro

equipped rear differential

blue label mobile

label mobile synthetic

adapter remove level

properly dispose collected

dispose collected transmission

collected transmission fluid

cooler line using

raise vehicle remove

level plug tightentighten

plug tightentighten plug

fluid level checked

over filled transmission

filled transmission premature

transmission premature component

premature component wear

component wear damage

shift lever park

level check plug

triple drain fill

added canada middle