# Service bulletin SSM74040

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10149078
- Published by NHTSA: 2018\-11\-26
- Manufacturer's number: SSM74040
- Manufacturer's date: 2018\-09\-05
- NHTSA component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS

## NHTSA's summary

Issue: During a brake pad change it may become apparent that the brake pad pins have become corroded to the caliper housing.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10149078-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10149078-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Brakes, Brake caliper, Brake pads

## Vehicles listed

- 2013 to 2019 LAND ROVER RANGE ROVER
- 2014 to 2019 LAND ROVER RANGE ROVER SPORT

## Other bulletins for the same vehicles and component

- [LTB00592NAS3](/bulletins/10204758.md), 2021-12-13, Service bulletin: SERVICE BRAKES, AIR:DISC:CALIPER; BACK OVER PREVENTION; SERVICE BRAKES, AIR:DISC:PADS. Technical Bulletin: Front Brake 'Squeal' Noise
- [LTB00592NAS2](/bulletins/10204757.md), 2021-12-13, Service bulletin: SERVICE BRAKES, AIR:DISC:CALIPER; BACK OVER PREVENTION; SERVICE BRAKES, AIR:DISC:PADS. Technical Bulletin: Front Brake 'Squeal' Noise 2014 Onwards
- [LTB00592NAS1](/bulletins/10204756.md), 2021-12-13, Service bulletin: BACK OVER PREVENTION; SERVICE BRAKES, AIR:DISC:CALIPER; SERVICE BRAKES, AIR:DISC:PADS. Technical Bulletin: Front Brake 'Squeal' Noise 2014 Onwards
- [LTB00990NAS2](/bulletins/10116943.md), 2017-09-08, Service bulletin: SERVICE BRAKES, AIR:DISC:PADS. Situation: Corrosion may be evident on the rear brake discs, which may also be accompanied by a grinding noise and/or vibration/judder while braking.
- [LTB00857NAS4](/bulletins/10106443.md), 2017-06-14, Service bulletin: SERVICE BRAKES, AIR:DISC:PADS; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS. "SITUATION: ON VEHICLES FITTED WITH THE HIGH PERFORMANCE BRAKE SYSTEM \(380MM DIAMETER FRONT BRAKE DISC\), A 'SQUEAL' NOISE MAY BE HEARD FROM THE FRONT BRAKES DURING LOW\-SPEED, LIGHT\-TO\-MODERATE BRAKE PEDAL APPLICATION, UNTIL THE VEHICLE COMES TO A STOP."
- [SSM43818](/bulletins/10106022.md), 2017-06-12, Service bulletin: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER; SERVICE BRAKES, AIR:DISC:CALIPER. "RE\-ISSUED DEC 2015 ISSUE: BRAKE CALIPER DISCOLOURATION. CAUSE: DAMAGE TO THE CALIPER FINISH WHILE CLEANING THE VEHICLE AND, OR THE ROAD WHEELS"
- [LTB00857NAS1](/bulletins/10105922.md), 2017-06-09, Service bulletin: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS; SERVICE BRAKES, AIR:DISC:PADS. "SITUATION: ON VEHICLES FITTED WITH THE HIGH PERFORMANCE BRAKE SYSTEM \(380MM DIAMETER FRONT BRAKE DISC\), A 'SQUEAL' NOISE MAY BE HEARD FROM THE FRONT BRAKES DURING LOW\-SPEED, LIGHT\-TO\-MODERATE BRAKE PEDAL APPLICATION, UNTIL THE VEHICLE COMES TO A STOP. CAUSE: THIS MAY BE CAUSED BY FRONT BRAKE PAD RESONANCE."
- [LTB00691NAS1](/bulletins/10105727.md), 2017-06-08, Service bulletin: SERVICE BRAKES, AIR:DISC:PADS; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS. "SITUATION: ON VEHICLE FITTED WITH THE HIGH PERFORMANCE BRAKE SYSTEM, A 'SQUEAL' NOISE MAY BE HEARD FROM THE REAR BRAKES DURING LIGHT BRAKING AT LOW SPEEDS. CAUSE: THIS MAY BE CAUSED BY THE SHAPE OF THE REAR BRAKE PAD ALLOWING IT TO RESONATE AND CAUSE A 'SQUEAL' NOISE."
- [SSM72161](/bulletins/10103921.md), 2017-06-06, Service bulletin: SERVICE BRAKES, AIR:DISC:CALIPER; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER. "ISSUE. THE REAR BRAKE CALIPER PISTON DUST BOOT IS FOUND TO BE SPLIT WHEN THE VEHICLE IS HAVING A ROUTINE SERVICE, OR REPAIR FOR ANY OTHER REASON. SEE ATTACHED PHOTOS FOR EXAMPLES OF THE CONCERN. THE SPLIT CAN BE FOUND ANYWHERE AROUND THE CIRCUMFERENCE OF THE PISTON, ALTHOUGH MOST LIKELY TO BE SEEN THROUGH THE CALIPER WINDOW ADJACENT TO THE PISTON. CAUSE. CURRENTLY UNDER INVESTIGATION."
- [LTB00725V2](/bulletins/10103642.md), 2017-06-06, Service bulletin: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS; SERVICE BRAKES, AIR:DISC:PADS. "SITUATION: A CUSTOMER MAY REPORT A CONCERN OF A SQUEAL NOISE FROM THE REAR OF THE VEHICLE WHILST BRAKING. USUALLY THIS WILL OCCUR AT LOW SPEEDS. THIS VERSION HAS BEEN ISSUED TO ADD MENA TO THE MARKETS. CAUSE: THE SHAPE OF THE BRAKE PAD MEANS THAT UNDER CERTAIN BRAKING CONDITIONS IT WILL RESONATE CAUSING A SQUEAL NOISE. SUGGESTED CUSTOMER CONCERN CODE GB5."

JSON: [/v1/bulletins/10149078](/v1/bulletins/10149078)

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