Bulletin Information

Bulletin Title: #88-5-121 - BRAKE PULSATION SERVICE INFORMATION - (May 31, 1992)
Bulletin Type: Technical
Applies To: Disc Brakes

Applicable Vehicles

1988 Pontiac Tempest (Canada)
1988 Pontiac Sunburst (Canada)
1988 Pontiac Sunbird
1988 Pontiac Safari Wagon
1988 Pontiac Optima (Canada)
1988 Pontiac LeMans
1988 Pontiac Grand Prix
1988 Pontiac Grand Am
1988 Pontiac Firefly (Canada)
1988 Pontiac Firebird
1988 Pontiac Fiero
1988 Pontiac Bonneville
1988 Pontiac 6000
1988 Oldsmobile Toronado
1988 Oldsmobile Ninety Eight
1988 Oldsmobile Firenza
1988 Oldsmobile Eighty Eight
1988 Oldsmobile Cutlass Supreme Classic
1988 Oldsmobile Cutlass Supreme
1988 Oldsmobile Cutlass Ciera
1988 Oldsmobile Cutlass Calais
1988 Oldsmobile Custom Cruiser
1988 GMC Truck Safari - 2WD
1988 GMC Truck S15 Pickup - 4WD
1988 GMC Truck S15 Pickup - 2WD
1988 GMC Truck Jimmy - 4WD
1988 GMC Truck Jimmy - 2WD
1988 GMC Truck GMC V Truck - 4WD
1988 GMC Truck GMC Suburban - 4WD
1988 GMC Truck GMC Suburban - 2WD
1988 GMC Truck GMC R Truck - 2WD
1988 GMC Truck GMC P RV/Van/Commercial Chassis
1988 GMC Truck GMC MD Steel Tilt 76.2"
1988 GMC Truck GMC MD Steel Tilt 67.2"
1988 GMC Truck GMC MD P Bus Chassis
1988 GMC Truck GMC MD FWD Control Chassis
1988 GMC Truck GMC MD Conventional 97.5"
1988 GMC Truck GMC K Pickup - 4WD
1988 GMC Truck GMC G Van
1988 GMC Truck GMC C Pickup - 2WD
1988 Geo Sprint
1988 Geo Spectrum
1988 Chevrolet V Truck - 4WD
1988 Chevrolet Suburban - 4WD
1988 Chevrolet Suburban - 2WD
1988 Chevrolet S10 Pickup - 4WD
1988 Chevrolet S10 Pickup - 2WD
1988 Chevrolet R Truck - 2WD
1988 Chevrolet P RV/Van/Commercial Chassis
1988 Chevrolet Nova
1988 Chevrolet Monte Carlo
1988 Chevrolet MD Steel Tilt 76.2"
1988 Chevrolet MD Steel Tilt 67.2"
1988 Chevrolet MD P Bus Chassis
1988 Chevrolet MD FWD Control Chassis
1988 Chevrolet MD Conventional 97.5"
1988 Chevrolet K Pickup - 4WD
1988 Chevrolet G Van
1988 Chevrolet Corvette
1988 Chevrolet Corsica
1988 Chevrolet Celebrity
1988 Chevrolet Cavalier
1988 Chevrolet Caprice
1988 Chevrolet Camaro
1988 Chevrolet C Pickup - 2WD
1988 Chevrolet Blazer - 4WD
1988 Chevrolet Blazer - 2WD
1988 Chevrolet Beretta
1988 Chevrolet Astro - 2WD
1988 Cadillac Seville
1988 Cadillac Fleetwood Brougham
1988 Cadillac Fleetwood
1988 Cadillac Eldorado
1988 Cadillac DeVille
1988 Cadillac Cimarron
1988 Cadillac Allante
1988 Buick Skylark
1988 Buick Skyhawk
1988 Buick Riviera
1988 Buick Regal
1988 Buick Reatta
1988 Buick LeSabre Wagon
1988 Buick LeSabre
1988 Buick Electra/Park Avenue
1988 Buick Electra Estate Wagon
1988 Buick Century
1987 Pontiac Tempest (Canada)
1987 Pontiac T1000
1987 Pontiac Sunburst (Canada)
1987 Pontiac Sunbird
1987 Pontiac Safari Wagon
1987 Pontiac Grand Prix
1987 Pontiac Grand Am
1987 Pontiac Firefly (Canada)
1987 Pontiac Firebird
1987 Pontiac Fiero
1987 Pontiac Bonneville
1987 Pontiac Acadian (Canada)
1987 Pontiac 6000
1987 Oldsmobile Toronado
1987 Oldsmobile Ninety Eight
1987 Oldsmobile Firenza
1987 Oldsmobile Eighty Eight
1987 Oldsmobile Cutlass Supreme
1987 Oldsmobile Cutlass Ciera
1987 Oldsmobile Cutlass Calais
1987 Oldsmobile Custom Cruiser
1987 GMC Truck Safari - 2WD
1987 GMC Truck S15 Pickup - 4WD
1987 GMC Truck S15 Pickup - 2WD
1987 GMC Truck Jimmy - 4WD
1987 GMC Truck Jimmy - 2WD
1987 GMC Truck GMC V Truck - 4WD
1987 GMC Truck GMC Suburban - 4WD
1987 GMC Truck GMC Suburban - 2WD
1987 GMC Truck GMC R Truck - 2WD
1987 GMC Truck GMC MD Steel Tilt 72.5"
1987 GMC Truck GMC MD Steel Tilt 62.2"
1987 GMC Truck GMC MD P Bus Chassis
1987 GMC Truck GMC MD FWD Control Chassis
1987 GMC Truck GMC MD Conventional 97.5"
1987 GMC Truck GMC G Van
1987 GMC Truck Caballero
1987 Geo Sprint
1987 Geo Spectrum
1987 Chevrolet V Truck - 4WD
1987 Chevrolet Suburban - 4WD
1987 Chevrolet Suburban - 2WD
1987 Chevrolet S10 Pickup - 4WD
1987 Chevrolet S10 Pickup - 2WD
1987 Chevrolet R Truck - 2WD
1987 Chevrolet P RV/Van/Commercial Chassis
1987 Chevrolet Nova
1987 Chevrolet Monte Carlo
1987 Chevrolet MD Steel Tilt 72.5"
1987 Chevrolet MD Steel Tilt 62.2"
1987 Chevrolet MD P Bus Chassis
1987 Chevrolet MD FWD Control Chassis
1987 Chevrolet MD Conventional 97.5"
1987 Chevrolet G Van
1987 Chevrolet El Camino
1987 Chevrolet Corvette
1987 Chevrolet Corsica
1987 Chevrolet Chevette
1987 Chevrolet Celebrity
1987 Chevrolet Cavalier
1987 Chevrolet Caprice
1987 Chevrolet Camaro
1987 Chevrolet Blazer - 4WD
1987 Chevrolet Blazer - 2WD
1987 Chevrolet Beretta
1987 Chevrolet Astro - 2WD
1987 Cadillac Seville
1987 Cadillac Limousine
1987 Cadillac Fleetwood Brougham
1987 Cadillac Fleetwood
1987 Cadillac Eldorado
1987 Cadillac DeVille
1987 Cadillac Cimarron
1987 Cadillac Allante
1987 Buick Somerset
1987 Buick Skylark
1987 Buick Skyhawk
1987 Buick Riviera
1987 Buick Regal
1987 Buick LeSabre Wagon
1987 Buick LeSabre
1987 Buick Electra/Park Avenue
1987 Buick Electra Estate Wagon
1987 Buick Century
1986 Pontiac T1000
1986 Pontiac Sunburst (Canada)
1986 Pontiac Sunbird
1986 Pontiac Parisienne (Canada)
1986 Pontiac Grand Prix
1986 Pontiac Grand Am
1986 Pontiac Firefly (Canada)
1986 Pontiac Firebird
1986 Pontiac Fiero
1986 Pontiac Bonneville
1986 Pontiac Acadian (Canada)
1986 Pontiac 6000
1986 Oldsmobile Toronado
1986 Oldsmobile Ninety Eight
1986 Oldsmobile Firenza
1986 Oldsmobile Eighty Eight
1986 Oldsmobile Cutlass Supreme
1986 Oldsmobile Cutlass Ciera
1986 Oldsmobile Cutlass Calais
1986 Oldsmobile Custom Cruiser
1986 GMC Truck Safari - 2WD
1986 GMC Truck S15 Pickup - 4WD
1986 GMC Truck S15 Pickup - 2WD
1986 GMC Truck Jimmy - 4WD
1986 GMC Truck Jimmy - 2WD
1986 GMC Truck GMC Suburban - 4WD
1986 GMC Truck GMC Suburban - 2WD
1986 GMC Truck GMC P RV/Van/Commercial Chassis
1986 GMC Truck GMC MD Steel Tilt 72.5"
1986 GMC Truck GMC MD Steel Tilt 62.2"
1986 GMC Truck GMC MD P Bus Chassis
1986 GMC Truck GMC MD FWD Control Chassis
1986 GMC Truck GMC MD Conventional 97.5"
1986 GMC Truck GMC K Pickup - 4WD
1986 GMC Truck GMC G Van
1986 GMC Truck GMC C Pickup - 2WD
1986 GMC Truck Caballero
1986 Geo Sprint
1986 Geo Spectrum
1986 Chevrolet Suburban - 4WD
1986 Chevrolet Suburban - 2WD
1986 Chevrolet S10 Pickup - 4WD
1986 Chevrolet S10 Pickup - 2WD
1986 Chevrolet P RV/Van/Commercial Chassis
1986 Chevrolet Nova
1986 Chevrolet Monte Carlo
1986 Chevrolet MD Steel Tilt 72.5"
1986 Chevrolet MD Steel Tilt 62.2"
1986 Chevrolet MD P Bus Chassis
1986 Chevrolet MD FWD Control Chassis
1986 Chevrolet MD Conventional 97.5"
1986 Chevrolet K Pickup - 4WD
1986 Chevrolet G Van
1986 Chevrolet El Camino
1986 Chevrolet Corvette
1986 Chevrolet Chevette
1986 Chevrolet Celebrity
1986 Chevrolet Cavalier
1986 Chevrolet Caprice
1986 Chevrolet Camaro
1986 Chevrolet C Pickup - 2WD
1986 Chevrolet Blazer - 4WD
1986 Chevrolet Blazer - 2WD
1986 Chevrolet Astro - 2WD
1986 Cadillac Seville
1986 Cadillac Limousine
1986 Cadillac Fleetwood Brougham
1986 Cadillac Eldorado
1986 Cadillac DeVille
1986 Cadillac Cimarron
1986 Buick Somerset
1986 Buick Skyhawk
1986 Buick Riviera
1986 Buick Regal
1986 Buick LeSabre Wagon
1986 Buick LeSabre
1986 Buick Electra/Park Avenue
1986 Buick Electra Estate Wagon
1986 Buick Century
1985 Pontiac T1000
1985 Pontiac Sunburst (Canada)
1985 Pontiac Sunbird
1985 Pontiac Parisienne (Canada)
1985 Pontiac Grand Prix
1985 Pontiac Grand Am
1985 Pontiac Firefly (Canada)
1985 Pontiac Firebird
1985 Pontiac Fiero
1985 Pontiac Bonneville
1985 Pontiac Acadian (Canada)
1985 Pontiac 6000
1985 Oldsmobile Toronado
1985 Oldsmobile Ninety Eight
1985 Oldsmobile Firenza
1985 Oldsmobile Eighty Eight
1985 Oldsmobile Cutlass Supreme
1985 Oldsmobile Cutlass Ciera
1985 Oldsmobile Cutlass Calais
1985 Oldsmobile Custom Cruiser
1985 GMC Truck Safari - 2WD
1985 GMC Truck S15 Pickup - 4WD
1985 GMC Truck S15 Pickup - 2WD
1985 GMC Truck Jimmy - 4WD
1985 GMC Truck Jimmy - 2WD
1985 GMC Truck GMC Suburban - 4WD
1985 GMC Truck GMC Suburban - 2WD
1985 GMC Truck GMC P RV/Van/Commercial Chassis
1985 GMC Truck GMC MD Steel Tilt 72.5"
1985 GMC Truck GMC MD P Bus Chassis
1985 GMC Truck GMC MD FWD Control Chassis
1985 GMC Truck GMC MD Conventional 97.5"
1985 GMC Truck GMC K Pickup - 4WD
1985 GMC Truck GMC G Van
1985 GMC Truck GMC C Pickup - 2WD
1985 GMC Truck Caballero
1985 Geo Sprint
1985 Geo Spectrum
1985 Chevrolet Suburban - 4WD
1985 Chevrolet Suburban - 2WD
1985 Chevrolet S10 Pickup - 4WD
1985 Chevrolet S10 Pickup - 2WD
1985 Chevrolet P RV/Van/Commercial Chassis
1985 Chevrolet Nova
1985 Chevrolet Monte Carlo
1985 Chevrolet MD Steel Tilt 72.5"
1985 Chevrolet MD P Bus Chassis
1985 Chevrolet MD FWD Control Chassis
1985 Chevrolet MD Conventional 97.5"
1985 Chevrolet K Pickup - 4WD
1985 Chevrolet Impala
1985 Chevrolet G Van
1985 Chevrolet El Camino
1985 Chevrolet Corvette
1985 Chevrolet Citation
1985 Chevrolet Chevette
1985 Chevrolet Celebrity
1985 Chevrolet Cavalier
1985 Chevrolet Caprice
1985 Chevrolet Camaro
1985 Chevrolet C Pickup - 2WD
1985 Chevrolet Blazer - 4WD
1985 Chevrolet Blazer - 2WD
1985 Chevrolet Astro - 2WD
1985 Cadillac Seville
1985 Cadillac Limousine
1985 Cadillac Fleetwood Brougham
1985 Cadillac Fleetwood
1985 Cadillac Eldorado
1985 Cadillac DeVille
1985 Cadillac Cimarron
1985 Buick Somerset
1985 Buick Skylark
1985 Buick Skyhawk
1985 Buick Riviera
1985 Buick Regal
1985 Buick LeSabre
1985 Buick Electra/Park Avenue
1985 Buick Electra Estate Wagon
1985 Buick Century
1984 Pontiac T1000
1984 Pontiac Sunbird
1984 Pontiac Phoenix
1984 Pontiac Parisienne (Canada)
1984 Pontiac Grand Prix
1984 Pontiac Firebird
1984 Pontiac Fiero
1984 Pontiac Bonneville
1984 Pontiac Acadian (Canada)
1984 Pontiac 6000
1984 Oldsmobile Toronado
1984 Oldsmobile Omega VE
1984 Oldsmobile Ninety Eight
1984 Oldsmobile Firenza
1984 Oldsmobile Eighty Eight
1984 Oldsmobile Cutlass Supreme
1984 Oldsmobile Cutlass Ciera
1984 Oldsmobile Custom Cruiser
1984 GMC Truck S15 Pickup - 4WD
1984 GMC Truck S15 Pickup - 2WD
1984 GMC Truck Jimmy - 4WD
1984 GMC Truck Jimmy - 2WD
1984 GMC Truck GMC Suburban - 4WD
1984 GMC Truck GMC Suburban - 2WD
1984 GMC Truck GMC P RV/Van/Commercial Chassis
1984 GMC Truck GMC MD Steel Tilt 72.5"
1984 GMC Truck GMC MD Steel Tilt 71.75"
1984 GMC Truck GMC MD P Bus Chassis
1984 GMC Truck GMC MD FWD Control Chassis
1984 GMC Truck GMC MD Conventional 97.5"
1984 GMC Truck GMC K Pickup - 4WD
1984 GMC Truck GMC G Van
1984 GMC Truck GMC C Pickup - 2WD
1984 GMC Truck Caballero
1984 Chevrolet Suburban - 4WD
1984 Chevrolet Suburban - 2WD
1984 Chevrolet S10 Pickup - 4WD
1984 Chevrolet S10 Pickup - 2WD
1984 Chevrolet P RV/Van/Commercial Chassis
1984 Chevrolet Monte Carlo
1984 Chevrolet MD Steel Tilt 72.5"
1984 Chevrolet MD Steel Tilt 71.75"
1984 Chevrolet MD P Bus Chassis
1984 Chevrolet MD FWD Control Chassis
1984 Chevrolet MD Conventional 97.5"
1984 Chevrolet K Pickup - 4WD
1984 Chevrolet Impala
1984 Chevrolet G Van
1984 Chevrolet El Camino
1984 Chevrolet Corvette
1984 Chevrolet Citation
1984 Chevrolet Chevette
1984 Chevrolet Celebrity
1984 Chevrolet Cavalier
1984 Chevrolet Caprice
1984 Chevrolet Camaro
1984 Chevrolet C Pickup - 2WD
1984 Chevrolet Blazer - 4WD
1984 Chevrolet Blazer - 2WD
1984 Cadillac Seville
1984 Cadillac Fleetwood
1984 Cadillac Eldorado
1984 Cadillac DeVille
1984 Cadillac Cimarron
1984 Buick Skylark
1984 Buick Skyhawk
1984 Buick Riviera
1984 Buick Regal
1984 Buick LeSabre
1984 Buick Electra/Park Avenue
1984 Buick Electra Limited
1984 Buick Electra Estate Wagon
1984 Buick Century
1983 Pontiac T1000
1983 Pontiac Phoenix
1983 Pontiac Parisienne (Canada)
1983 Pontiac LeMans
1983 Pontiac J2000
1983 Pontiac Grand Prix
1983 Pontiac Firebird
1983 Pontiac Bonneville
1983 Pontiac Acadian (Canada)
1983 Pontiac 6000
1983 Oldsmobile Toronado
1983 Oldsmobile Omega VE
1983 Oldsmobile Ninety Eight
1983 Oldsmobile Firenza
1983 Oldsmobile Eighty Eight
1983 Oldsmobile Cutlass Supreme
1983 Oldsmobile Cutlass Ciera
1983 Oldsmobile Custom Cruiser
1983 GMC Truck S15 Pickup - 4WD
1983 GMC Truck S15 Pickup - 2WD
1983 GMC Truck Jimmy - 4WD
1983 GMC Truck Jimmy - 2WD
1983 GMC Truck GMC Suburban - 4WD
1983 GMC Truck GMC Suburban - 2WD
1983 GMC Truck GMC P RV/Van/Commercial Chassis
1983 GMC Truck GMC MD Steel Tilt 71.75"
1983 GMC Truck GMC MD P Bus Chassis
1983 GMC Truck GMC MD FWD Control Chassis
1983 GMC Truck GMC MD Conventional 97.5"
1983 GMC Truck GMC K Pickup - 4WD
1983 GMC Truck GMC G Van
1983 GMC Truck GMC C Pickup - 2WD
1983 GMC Truck Caballero
1983 Chevrolet Suburban - 4WD
1983 Chevrolet Suburban - 2WD
1983 Chevrolet S10 Pickup - 4WD
1983 Chevrolet S10 Pickup - 2WD
1983 Chevrolet P RV/Van/Commercial Chassis
1983 Chevrolet Monte Carlo
1983 Chevrolet MD Steel Tilt 71.75"
1983 Chevrolet MD P Bus Chassis
1983 Chevrolet MD FWD Control Chassis
1983 Chevrolet MD Conventional 97.5"
1983 Chevrolet Malibu
1983 Chevrolet K Pickup - 4WD
1983 Chevrolet Impala
1983 Chevrolet G Van
1983 Chevrolet El Camino
1983 Chevrolet Corvette
1983 Chevrolet Citation
1983 Chevrolet Chevette
1983 Chevrolet Celebrity
1983 Chevrolet Cavalier
1983 Chevrolet Caprice
1983 Chevrolet Camaro
1983 Chevrolet C Pickup - 2WD
1983 Chevrolet Blazer - 4WD
1983 Chevrolet Blazer - 2WD
1983 Cadillac Seville
1983 Cadillac Fleetwood
1983 Cadillac Eldorado
1983 Cadillac DeVille
1983 Cadillac Cimarron
1983 Buick Skylark
1983 Buick Skyhawk
1983 Buick Riviera
1983 Buick Regal
1983 Buick LeSabre
1983 Buick Electra/Park Avenue
1983 Buick Electra Estate Wagon
1983 Buick Century
1982 Pontiac T1000
1982 Pontiac Phoenix
1982 Pontiac Parisienne (Canada)
1982 Pontiac LeMans
1982 Pontiac J2000
1982 Pontiac Grand Prix
1982 Pontiac Firebird
1982 Pontiac Bonneville
1982 Pontiac Acadian (Canada)
1982 Pontiac 6000
1982 Oldsmobile Toronado
1982 Oldsmobile Omega VE
1982 Oldsmobile Ninety Eight
1982 Oldsmobile Firenza
1982 Oldsmobile Eighty Eight
1982 Oldsmobile Cutlass Supreme
1982 Oldsmobile Cutlass Ciera
1982 Oldsmobile Custom Cruiser
1982 GMC Truck S15 Pickup - 2WD
1982 GMC Truck GMC Suburban - 4WD
1982 GMC Truck GMC Suburban - 2WD
1982 GMC Truck GMC P RV/Van/Commercial Chassis
1982 GMC Truck GMC MD Steel Tilt 71.75"
1982 GMC Truck GMC MD P Bus Chassis
1982 GMC Truck GMC MD FWD Control Chassis
1982 GMC Truck GMC MD Conventional 97.5"
1982 GMC Truck GMC K Pickup - 4WD
1982 GMC Truck GMC G Van
1982 GMC Truck GMC C Pickup - 2WD
1982 GMC Truck Caballero
1982 Chevrolet Suburban - 4WD
1982 Chevrolet Suburban - 2WD
1982 Chevrolet S10 Pickup - 2WD
1982 Chevrolet P RV/Van/Commercial Chassis
1982 Chevrolet Monte Carlo
1982 Chevrolet MD Steel Tilt 71.75"
1982 Chevrolet MD P Bus Chassis
1982 Chevrolet MD FWD Control Chassis
1982 Chevrolet MD Conventional 97.5"
1982 Chevrolet Malibu
1982 Chevrolet Luv Truck - 4WD
1982 Chevrolet Luv Truck - 2WD
1982 Chevrolet K Pickup - 4WD
1982 Chevrolet Impala
1982 Chevrolet G Van
1982 Chevrolet El Camino
1982 Chevrolet Corvette
1982 Chevrolet Citation
1982 Chevrolet Chevette
1982 Chevrolet Celebrity
1982 Chevrolet Cavalier
1982 Chevrolet Caprice
1982 Chevrolet Camaro
1982 Chevrolet C Pickup - 2WD
1982 Cadillac Seville
1982 Cadillac Fleetwood
1982 Cadillac Eldorado
1982 Cadillac DeVille
1982 Cadillac Cimarron
1982 Buick Skylark
1982 Buick Skyhawk
1982 Buick Riviera
1982 Buick Regal
1982 Buick LeSabre
1982 Buick Electra/Park Avenue
1982 Buick Electra Estate Wagon
1982 Buick Century

#88-5-121 - BRAKE PULSATION SERVICE INFORMATION - (May 31, 1992)

SUBJECT: BRAKE PULSATIONS

VEHICLES AFFECTED: ALL PASSENGER CARS AND LIGHT DUTY TRUCKS

On today's vehicles the primary reason for brake pulsation is variation in the thickness of the rotor, which generally occurs after some mileage.

The causes of rotor thickness variation tend to occu...

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Document Title: #88-5-121 - BRAKE PULSATION SERVICE INFORMATION - (May 31, 1992)

brake

pulsation

variation

thickness

rotor

occur

vehicle

pedal

position

bearing

system

runout

spots

caliper

condition

drag

lining

material

information

excessive

tolerances

specifications

braking

lateral

prevent

check

wheel

nuts

specified

torque

proper

dial

indicator

inch

bolt

flange

figure

knuckle

clearance

properly

service

bulletin

general

motors

technicians

thickness variation

brake pedal

rotor bearing

caliper drag

lateral runout

pedal pulsation

brake lining

lateral runout cannot

excessive lateral runout

wheel bearing flange

brake pedal pulsation