#99046(B) - Special Policy - High/Low/High ABS Brake Anomaly - (May 16, 2000)

Subject:
99046(B) — Special Policy — High/Low/High ABS Brake Anomaly
Models:
1993–1996 Chevrolet and GMC S/T Utility
1994–1996 Chevrolet and GMC S/T Pickup Equipped With a V6 Engine
1993–1996 Chevrolet and GMC G Van

THIS SPECIAL POLICY IS IN EFFECT UNTIL DECEMBER 1, 2002

THIS BULLETI...

Attention!

To view the rest of this document requires a subscription. Subscriptions start at only $5.00. Click the button below to view the subscription options and to sign up.

Subscribe

Document Tags

Document Title: #99046(B) - Special Policy - High/Low/High ABS Brake Anomaly - (May 16, 2000)

special

policy

brake

chevrolet

utility

pickup

equipped

with

engine

effect

december

this

bulletin

part

change

vans

phase

will

consist

model

year

reprogram

conditionthe

federal

government

highway

safety

agency

national

traffic

administration

nhtsa

identified

general

motors

corporation

confirmed

existence

condition

antilock

braking

system

utilities

lucas

varity

three

sensor

rare

occasions

result

stopping

distances

certain

applications

explained

customer

driving

road

surface

supports

good

traction

stop

applying

pedal

firmly

vehicle

pass

onto

slippery

such

covered

patched

asphalt

adjust

advantage

available

allow

steer

maintain

stability

normal

operation

owner

manual

explains

detail

however

leaves

higher

perform

were

still

quickly

time

encountered

depends

several

additional

factors

speed

length

designed

increased

sensitivity

wheel

slip

order

improve

steerability

improvement

made

possible

reduced

effectiveness

occur

described

charge

service

procedure

appropriate

repair

listed

further

performed

division

from

linden

shreveport

pontiac

west

moraine

flint

required

complete

important

legr

valve

number

module

gasket

actual

check

identification

calibration

techline

program

programming

battery

ignition

position

action

proceed

tech

desired

inspection

control

unit

ehcu

size

inspect

electronic

ebcm

kelsey

hayes

logo

indicated

replace

disconnect

electrical

connectors

remove

assembly

gain

access

pressure

modulator

bpmv

attaching

bolts

seven

using

without

carefully

diaphragm

install

hand

start

tighten

connect

function

test

frame

bracket

prevent

dealer

needed

your

software

minutes

schedule

deaf

impaired

utility vehicles

highway traffic

traffic safety

safety administration

pickups equipped

condition result

antilock brake

brake applications

applying brake

brake pedal

slippery surface

surface such

road antilock

brake system

system adjust

wheels advantage

available traction

braking vehicle

surface wheels

higher traction

traction surface

perform vehicle

vehicle were

still slippery

surface vehicle

vehicle stop

vehicle speed

length slippery

system designed

improve vehicle

vehicle steerability

steerability braking

slippery surfaces

improvement steerability

however made

reduced braking

braking effectiveness

further action

action required

desired position

actual position

electronic brake

unit kelsey

ebcm electrical

ebcm brake

modulator valve

valve bpmv

without using

diaphragm gasket

bracket assembly

inspect module

additional time

highway traffic safety

traffic safety administration

safety administration nhtsa

condition result stopping

antilock brake applications

brake applications explained

stop applying brake

applying brake pedal

road antilock brake

antilock brake system

brake system adjust

system adjust brakes

wheels advantage available

advantage available traction

slippery surface wheels

higher traction surface

perform vehicle were

still slippery surface

slippery surface vehicle

surface vehicle stop

vehicle speed length

speed length slippery

length slippery surface

system designed increased

order improve vehicle

improve vehicle steerability

vehicle steerability braking

slippery surfaces improvement

surfaces improvement steerability

however made possible

possible reduced braking

reduced braking effectiveness

ignition switch position

further action required

actual position track

inspection installation module

electro hydraulic control

hydraulic control unit

click size inspect

electronic brake control

brake control module

control module ebcm

kelsey hayes identification

hayes identification logo

identification logo shown

based results inspection

results inspection performed

previous proceed indicated

proceed indicated unit

indicated unit kelsey

hayes logo further

logo further action

unit kelsey hayes

proceed replace ebcm

replace ebcm disconnect

disconnect ebcm electrical

ebcm electrical connectors

cleaner assembly windshield

gain access ebcm

modulator valve bpmv

clean ehcu foreign

ehcu foreign material

remove seven bolts

seven bolts attaching

bolts attaching ebcm

attaching ebcm using

ebcm using torx

without using implement

components apart carefully

apart carefully ebcm

carefully ebcm brake

pressure modulator valve

remove rubber diaphragm

rubber diaphragm gasket

without using type

using type lubricant

type lubricant install

diaphragm gasket ensuring

gasket ensuring tabs

ensuring tabs properly

ebcm bpmv hand

bpmv hand start

hand start seven

using star pattern

star pattern sequence

pattern sequence tighten

sequence tighten ebcm

tighten ebcm attaching

bolts several times

several times torque

connect ebcm electrical

turn ignition check

ignition check proper

check proper function

brake instrument panel

instrument panel lights

panel lights bulb

lights bulb check

tech program tire

program tire calibration

tire calibration perform

ehcu bracket assembly

bracket frame attaching

frame attaching bolts

general motors truck

motors truck equipped

three sensor antilock

sensor antilock brake

satisfaction product utmost

product utmost concern

utmost concern conditionthe

concern conditionthe federal

braking system chevrolet

rare occasions this

brake pedal firmly

patched asphalt part

available traction will

however braking vehicle

braking vehicle leaves

occur described developed

vehicle sensitive wheel

sensitive wheel slip

circumstances described doneupon

described doneupon request

doneupon request chevrolet

steerability braking slippery

braking slippery surfaces

designed effect normal

operations change affect

change affect brakes

create perceptible difference

perceptible difference steerability

difference steerability stability

charge time december

time december repair

schedule process vehicle

vehicles awaiting service

additional time needed

time needed contacting

needed contacting dealerrepairs

contacting dealerrepairs adjustments

dealerrepairs adjustments qualifying

adjustments qualifying special

service department arrange

department arrange convenient

arrange convenient appointment

should dealer unable

dealer unable schedule

unable schedule service

schedule service date

reasonable time contact

time contact appropriate

contact appropriate customer

assistance center listed

center listed division

deaf hearing impaired

hearing impaired speech

impaired speech impaired

speech impaired chevrolet

utilizes telecommunication devices

telecommunication devices deaf

devices deaf text