#04004A - F/CMVSS Noncompliance - Brake Hydro-Boost Relief Valve Seal Fracture - (Jun 18, 2004)

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Subject:
04004A – Brake Hydro-Boost Relief Valve Seal Fracture
Models:
2003-2004 Cadillac Escalade, Escalade EXT, Escalade ESV
2003-2004 Chevrolet Silverado, Avalanche, Suburban, Express
2004 Chevrolet Tahoe
2003-2004 GMC Sierra, Yukon, Yukon XL, Savana
2003-2004 HUMMER H2

THIS B...

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Document Title: #04004A - F/CMVSS Noncompliance - Brake Hydro-Boost Relief Valve Seal Fracture - (Jun 18, 2004)

subject

brake

hydro

boost

relief

valve

seal

fracture

cadillac

escalade

chevrolet

silverado

avalanche

suburban

express

tahoe

sierra

yukon

savana

hummer

bulletin

inspection

procedure

stamped

hydraulic

booster

certain

model

year

federal

canada

motor

vehicle

safety

standard

system

bore

module

specification

result

ring

this

driver

engine

steering

position

could

slight

increase

pedal

effort

prior

inspect

replace

from

important

recall

involved

complete

identification

number

customer

name

address

data

will

information

follow

program

dealer

listing

states

required

general

service

gmspo

normal

order

part

repair

notice

type

center

original

master

cylinder

color

yellow

further

action

next

step

mounting

surface

clean

location

shown

bolt

paint

mark

visible

proceed

fluid

remove

brace

attached

nuts

wrench

damage

removed

time

covered

shop

towel

using

available

inch

drive

needed

condition

tightentighten

lbft

have

install

power

courtesy

transportation

inconvenience

warranty

form

charge

manual

claim

labor

hours

item

allowance

price

applicable

identified

notification

copy

letter

within

national

traffic

repaired

reasonable

made

schedule

appointment

possible

contact

correction

dealership

your

assistance

escalade escalade

express chevrolet

brake booster

year cadillac

year chevrolet

tahoe vehicles

boost module

brake pedal

involved vehicles

general motors

hydraulic brake

valve hydraulic

visible further

paint marks

stamped visible

traffic motor

reasonable time

customer assistance

cadillac escalade escalade

sierra yukon yukon

motors decided certain

decided certain model

year cadillac escalade

model year chevrolet

tahoe vehicles conform

vehicles conform federal

conform federal canada

safety standard hydraulic

standard hydraulic electric

brake system standard

system standard light

standard light vehicle

brake systems vehicles

systems vehicles relief

vehicles relief valve

bore brake hydro

hydro boost module

specification specification bore

specification bore result

fracture relief valve

ring seal module

seal module this

happens brake applications

brake applications driver

applications driver hear

engine compartment noise

compartment noise similar

noise similar sound

similar sound occurs

sound occurs when

steering wheel turned

stop position driver

could experience slight

experience slight increase

slight increase steering

increase steering efforts

steering efforts while

braking parking certain

parking certain driving

certain driving conditions

driving conditions fractured

seal slight increase

slight increase applied

increase applied brake

applied brake pedal

effort achieve vehicle

achieve vehicle deceleration

vehicle deceleration rate

deceleration rate prior

seal fracture occur

fracture occur result

vehicle crash prior

crash prior warning

inspect hydro boost

containing complete vehicle

follow customers involved

motor vehicle registration

general motors service

hydraulic brake booster

valve hydraulic brake

color relief valve

further action required

yellow pink paint

pink paint mark

inspection repairs required

brake combination valve

booster master cylinder

master cylinder mounted

visible further action

required proceed reinstall

proceed reinstall master

clean shop towel

power steering fluid

vehicle limited warranty

form courtesy transportation

service policies procedures

policies procedures manual

price plus applicable

plus applicable mark

landed cost mark

item column represent

national traffic motor

traffic motor vehicle

dealer recall responsibility

repaired reasonable time

reasonable time customer

national highway traffic

appropriate customer assistance

customer assistance center