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Service bulletin SSM55997

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10103482
Published by NHTSA2017-06-06
Manufacturer's numberSSM55997
Manufacturer's date2015-01-05
NHTSA componentSERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS; SERVICE BRAKES, AIR:DISC:PADS

NHTSA's summary

"ISSUE: UPON REPLACEMENT OF THE FRONT BRAKE PADS, THE BRAKE PAD RETAINING PINS MAY BE DIFFICULT TO REMOVE. VEHICLES FITTED WITH HIGH PERFORMANCE/BREMBO BRAKES, POST 10 MODEL YEAR ONLY. RANGE ROVER SPORT AA215623 TO CA738069. RANGE ROVER AA302697 TO CA373799. VEHICLES AFTER THE END VIN NUMBERS QUOTED ABOVE WILL HAVE THE NEW PINS FITTED AS STANDARD. CAUSE: GALVANIC CORROSION OF THE RETAINING PINS. THE PINS NOW HAVE A NEW PLATING WHICH IS MORE RESISTANT TO CORROSION."

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Brakes, Brake pads

Vehicles listed
LAND ROVER RANGE ROVER2010, 2011, 2012, 2013, 2014, 2015
LAND ROVER RANGE ROVER SPORT2010, 2011, 2012, 2013, 2014, 2015

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
LTB00592NAS32021-12-13. Service bulletin. Technical Bulletin: Front Brake 'Squeal' Noise
LTB00592NAS22021-12-13. Service bulletin. Technical Bulletin: Front Brake 'Squeal' Noise 2014 Onwards
LTB00592NAS12021-12-13. Service bulletin. Technical Bulletin: Front Brake 'Squeal' Noise 2014 Onwards
SSM740402018-11-26. Service bulletin. Issue: During a brake pad change it may become apparent that the brake pad pins have become corroded to the caliper housing.
SSM559972017-08-25. Service bulletin. Front brake pad retaining pin difficult to remove
LTB00857NAS42017-06-14. Service bulletin. "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."
LTB00857NAS12017-06-09. Service bulletin. "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."
LTB00691NAS12017-06-08. Service bulletin. "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."
LTB00725V22017-06-06. Service bulletin. "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."
SSM581372017-06-06. Service bulletin. "ISSUE: A CUSTOMER MAY REPORT BRAKE SQUEAL FROM THE FRONT OR REAR OF THE VEHICLE SINCE THE ROUTINE REPLACEMENT OF THE BRAKE PADS. VEHICLES WITH STANDARD BRAKES ONLY. CAUSE: BRAKE COMPRESSIBILITY OF THE PAD, WHILST WITHIN SPECIFICATION, MAY BE SLIGHTLY INCOMPATIBLE WITH THE DRIVING STYLE AND VEHICLE USAGE PATTERNS OF A SMALL NUMBER OF CUSTOMERS. WHILTST THERE IS NO IMPACT ON THE EFFICIENCY OF THE BRAKING SYSTEM, IN SOME CIRCUMSTANCES THIS MAY LEAD TO NOISE BECOMING APPARENT."