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Acura Rl, Honda Odyssey, model years 2005 to 2007. Filed by Honda (American Honda Motor Co.) and reported to NHTSA on 22 October 2010. 471,820 vehicles potentially affected.

What the notice says Honda is recalling certain model year 2005-2007 odyssey and acura rl vehicles. brake fluid containing polymers is used that acts as a lubricant for certain brake system components. if replacement brake fluid is used that does not contain such polymers, or that contains only small amounts, a part of the rubber seal …

Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.

CarsMultiverse/Recalls

Honda's own number for this recall: R51 HONDA R52 ACURA. That is the number on the owner letter and on the dealer paperwork. 10V504 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.

What owners ask about this recall

Which vehicles does recall 10V504 cover?
Acura RL, Honda Odyssey, model years 2005-2007.
What is wrong with them?
HONDA IS RECALLING CERTAIN MODEL YEAR 2005-2007 ODYSSEY AND ACURA RL VEHICLES. BRAKE FLUID CONTAINING POLYMERS IS USED THAT ACTS AS A LUBRICANT FOR CERTAIN BRAKE SYSTEM COMPONENTS.
What can happen if it is not put right?
A LEAK OF BRAKE FLUID COULD LEAD TO A CHANGE IN BRAKE PEDAL FEEL AND OVERTIME A DEGRADATION IN BRAKING PERFORMANCE INCREASING THE RISK OF A CRASH.
Is there a fix yet?
Yes, and it is free. DEALERS WILL REPLACE THE BRAKE MASTER CYLINDER SEAL FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN DURING DECEMBER 2010. OWNERS MAY CONTACT HONDA AT 1-800-999-1009.
What should I do now?
Check your own vehicle by its VIN with NHTSA, which is the record to act on. Honda calls this recall R51 HONDA R52 ACURA, which is the number on the owner letter and the dealer paperwork.

Answered from the register this site holds. NHTSA is the record to act on.

What the authority says can happen if this is not fixed: “A LEAK OF BRAKE FLUID COULD LEAD TO A CHANGE IN BRAKE PEDAL FEEL AND OVERTIME A DEGRADATION IN BRAKING PERFORMANCE INCREASING THE RISK OF A CRASH.”

471,820vehicles potentially
affected
2models named
in the notice
0rewrites we have
caught
reported 22 October 2010owners told 31 December 2010today
The defect reached the regulator on 22 October 2010. Owners were written to 70 days later, on 31 December 2010. The median across the 14,869 American recalls that carry both dates is 41 days, and nine in ten owners are written to within 107. This campaign took longer than most.
Campaign10V504
Filed byHONDA (AMERICAN HONDA MOTOR CO.)
System at faultService Brakes, Hydraulic:Foundation Components:Master Cylinder
Reported to NHTSA22 October 2010
Model years2005-2007
Vehicles namedACURA RL, HONDA ODYSSEY

What the notice says today

The consequence

A LEAK OF BRAKE FLUID COULD LEAD TO A CHANGE IN BRAKE PEDAL FEEL AND OVERTIME A DEGRADATION IN BRAKING PERFORMANCE INCREASING THE RISK OF A CRASH.

The remedy

DEALERS WILL REPLACE THE BRAKE MASTER CYLINDER SEAL FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN DURING DECEMBER 2010. OWNERS MAY CONTACT HONDA AT 1-800-999-1009.

What it said before

This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.

This is one of 583 notices in the record whose component field names service brakes, hydraulic. Across that group the median wait before owners were written to was 37 days.

Last checked . No change has been recorded in the wording.

The models named here, across their whole recall history

How to cite this record

Quoting the wording on this page means quoting a version, so the date belongs in the citation:

CarsMultiverse, recall 10V504, wording as read on 17 September 2026. https://carsmultiverse.com/recall/10v504/

The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.

The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.

Other Honda notices we hold

All 256 Honda campaigns we hold · Every manufacturer in the record

The fingerprint of this notice

We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 10V504 on 17 September 2026, they were:

We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.

The wording we hold for 10V504 · how the whole register is watched

This notice names one vehicle among several registers that have written about it. Every notice this site holds for the Honda Odyssey, in all seven, is kept on that vehicle's own page, with the newest in each.

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NHTSA 10V504, Acura Rl and 1 more, every version kept at CarsMultiverse

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