2005–2006 Toyota Avalon: Brake pedal feels different or sinks (master cylinder seal recall)
Likely causes, ranked
- Curled master cylinder seal$0–$0Shop
Real-owner fix counts will appear here as reports come in.
DIY or shop: See DIY or shop section
Parts to check
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Symptom: A change in brake pedal feel, a falling fluid level, or a brake warning light.
Likely causes
- Curled master cylinder seal. Toyota replaces the seal.
DIY or shop?
Dealer. Recall repairs are free.
Useful steps
- Check your VIN for 10V499.
- Use the correct brake fluid.
Vehicle focus: 2005–2006 Toyota Avalon.
Safety / mechanic note
Leaking brake fluid can reduce braking. Verify with a mechanic or dealer.
Recalls & service bulletins
Recalls
- 10V499000 2005–2006 Avalon and some Highlander and Lexus models: if replacement brake fluid lacks certain additives, the rear master cylinder seal can dry out and leak fluid into the booster. Dealers fit a redesigned seal. Details
NHTSA complaints: 45 keyword-matched complaints for Toyota AVALON 2005–2006 (of 587 unique complaints queried, NHTSA complaints API by model year, queried 2026-10-15).
Always check your VIN for open recalls at nhtsa.gov/recalls.
Sources
What actually fixed it?
Had this problem? Tell other owners what the real fix was. Reports are counted above; we never show made-up numbers.