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Can I use dot 3 brake fluid in my vehicle?

Tiny
AUSTINO
  • MEMBER
  • 2003 JAGUAR S-TYPE
  • 3.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 67,000 MILES
Brake Fluid.
Monday, October 9th, 2023 AT 5:42 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,262 POSTS
Hi,

It is recommended to only use the manufacturer's DOT 4 brake fluid. DOT 4 brake fluid is backward compatible with DOT 3 systems. This means you can use DOT 4 in a vehicle that originally used DOT 3 fluid. However, the reverse is not recommended. You should not use DOT 3 fluid in a system designed for DOT 4.

Let me know if that helps.

Joe
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Monday, October 9th, 2023 AT 7:49 PM
Tiny
AUSTINO
  • MEMBER
  • 198 POSTS
Thank you.
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Saturday, October 28th, 2023 AT 1:37 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,262 POSTS
Hi,

You are very welcome. Feel free to come back anytime in the future.

Take care of yourself,

Joe
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Saturday, October 28th, 2023 AT 8:44 PM

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