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2014-2016 MAZDA3 – SQUEAKING/GRINDING NOISE FROM REAR BRAKE
APPLICABLE MODEL(S)/VINS
2014-2016 Mazda3 vehicles with VINs starting with JM1
Squeaking/grinding noise from the rear brake even after the brake pedal is released.
Upon inspection, the caliper mounting support is corroded and one of the disc pad is abnormally worn out (A).
This is caused by vehicle usage in an area using road salt. The surface of the mounting support may swell from corrosion causing premature disc pad wear and brake noise.
To correct the problem, an improved caliper mounting support has been newly established as a service part. The anti-corrosion surface treatment has been changed from Zn to Zn-Ni plating.
REPAIR PROCEDURE
- Verify that the caliper mounting support(s) is corroded and the disc pad(s) is abnormally worn out.
- Replace the caliper mounting supports (both sides) with the modified service parts sets and attachments with new parts according to the instructions on MS3 online or the Workshop Manual (section 04-11).
NOTE: Replace the disc plate(s) additionally if damaged by the completely worn out disc pad.
CAUTION: When installing the modified mounting support (A), tighten the installation bolts (B) with the upper limit of the tightening torque specified in the Workshop Manual (6.6 Nm, 48 ft-lbf, 6.7 kgfm).
PART(S) INFORMATION
| Part Number | Description | Qty. | Notes |
| B4YG-26-28X | Mounting Support Set | 2 | Newly established service parts set that includes: 1 mounting support, 2 slide pins and 2 dust boots. |
| B4Y0-26-43ZB | Rear Brake Pad and Attachment Set | 1 | Newly established service parts set that includes: pad sub set (B4Y0-26-48ZB) and pad attachment (B4Y0-26-49ZA). |
| B4Y0-26-48ZB | Pad Sub Set | 1 | DO NOT use these separate parts. Use the new part set as B4Y0-26-43ZB. |
| B4Y0-26-49ZA | Pad Attachment | 1 | |
| B45G-26-251A | Disc plate | 1 or 2 | Replace if damaged. |
04-003/15
11/06/2015
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04-003/15
09/16/2015
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- Provides an extra margin of safety in extreme braking conditions
- Mix of polyglycol ethers ensures hot brake-system operation will not create dangerous vapor
- Excellent for ABS, disc and drum brake systems
- Delivers braking power when needed by avoiding a spongy pedal
- Both wet and dry boiling points exceed the minimum government standards
- High compatibility. Use with or direct replacement for DOT 3, DOT 4, and DOT 5. 1
- Extended Service Interval (ESI): Lasts 100 percent longer than DOT 3, 50 percent longer than DOT 4, and 10 percent longer than DOT 5. 1
- Exceeds all DOT 3, DOT 4, and DOT 5. 1 standards
- Wet boiling point ~ 365 DegreeF/Viscosity at -40 DegreeC ~ 685mm2/s
- Standard brake fluid has a recommended change interval of 2 years. The recommended change interval for Bosch ESI6 is 3 years.
- The 336⁰F wet boil point and 521⁰F dry boil point exceeds common characteristics for DOT 4 brake fluids
- Provides corrosion protection in brake components
- Matches needs of all DOT 4 manufacturer recommendations
- Compatible with all DOT 3 and DOT 4 applications
- Helps provide protection against brake failure from vapor lock
- Helps prevent corrosion in brake system
- Works with all brake system requiring DOT 3 fluids
- Exceeds federal motor vehicle safety standard No. 116
- Meets SAE spec. J1703.
- Premium DOT 3 Brake Fluid has a minimum boiling point of 450°F
- Meets and exceeds DOT 3 and all other Federal and SAE specifications and standards for motor vehicle brake fluids
- Mixes with all DOT 3 approved brake fluids
- Designed for use in disc, drum and ABS brake systems
- Premium brake and hydraulic clutch fluid that protects internal components from corrosion under normal use
- High boiling point to minimize brake fluid boiling and vapor lock
- Excellent low temperature capability and stability when used where lower cold viscosities are required
- Excellent low temperature capability and stability when used where lower cold viscosities are required
- Synthetic quality brake fluid
- Contains special ingredients to guard against vapor lock and moisture absorption
- Exceeds requirements for both DOT 3 and DOT 4 brake fluids
- Specially formulated for DOT 4 brake fluid applications
- Designed for use in disc, drum and ABS brake systems
- An exclusive European formula with an exceptionally high boiling point and superior anti-vapor lock characteristics
- Superior braking during arduous conditions like racing and rallying
- Typical wet boiling point is 270deg. C
- 5 year shelf life
- Metal tin design
- Low viscosity class 6 brake fluid
- Optimised compatibility with the sealing materials for DOT brake fluids used in automobile and motorcycle brake systems
- Flash point: 132.0 degrees_celsius
Last update on 2025-04-17 / Affiliate links / Images from Amazon Product Advertising API
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