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2009 Nissan Altima SL - Brake Light
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AJB2011
New User
Oct 11, 2011, 5:21 PM
Post #1 of 11
(6600 views)
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2009 Nissan Altima SL - Brake Light
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2009 Nissan Altima SL
29,700 miles
2.5 liter engine
Purchased the car brand new in 2009. Recenty, upon exceleration the brake light is coming on. Stays on for a few seconds and then goes back out. Took car to dealership and was told my brake pads were fine but the fluid was low.
Question: Why would brake fluid be low at 29,700?
(This post was edited by AJB2011 on Oct 11, 2011, 5:23 PM)
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Hammer Time
Ultimate Carjunky
/ Moderator
Oct 11, 2011, 5:28 PM
Post #2 of 11
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Re: 2009 Nissan Altima SL - Brake Light
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The usual reason is either worn brake pads or a leak in the system somewhere.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Blulakr
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Oct 11, 2011, 7:53 PM
Post #3 of 11
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Re: 2009 Nissan Altima SL - Brake Light
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As the brake pads wear the caliper pistons extend out. The brake fluid from the master cylinder fills in the void behind the caliper pistons at each wheel. This causes a normal drop in master cylinder fluid level.
My guess is that while your brake pads are probably still ok, they are more than 50% worn.
(This post was edited by Blulakr on Oct 11, 2011, 7:54 PM)
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Hammer Time
Ultimate Carjunky
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Oct 12, 2011, 3:01 AM
Post #4 of 11
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Re: 2009 Nissan Altima SL - Brake Light
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With that amount of brake pad wear, I wouldn't expect enough fluid transfer to light the warning light.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Old 396
User
Oct 12, 2011, 6:18 PM
Post #5 of 11
(6539 views)
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Re: 2009 Nissan Altima SL - Brake Light
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Question: Why would brake fluid be low at 29,700?
Have you ruled out a system leak (or leaks)?
Stands to reason that if any fluid in any motor vehicle suddenly becomes low that there must be a leak.
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Hammer Time
Ultimate Carjunky
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Oct 12, 2011, 6:21 PM
Post #6 of 11
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Re: 2009 Nissan Altima SL - Brake Light
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I just said that. there is no reason to repeat the same advice and conclusion
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Old 396
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Oct 12, 2011, 6:58 PM
Post #7 of 11
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Re: 2009 Nissan Altima SL - Brake Light
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Sorry hammertime. I have only one eye as a result of a war injury and I missed your post.
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Hammer Time
Ultimate Carjunky
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Oct 12, 2011, 7:03 PM
Post #8 of 11
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Re: 2009 Nissan Altima SL - Brake Light
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Oh really, Sorry to hear that. Which war?
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Old 396
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Oct 13, 2011, 2:59 AM
Post #9 of 11
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Re: 2009 Nissan Altima SL - Brake Light
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Thank you Hammertime Vietnam.
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Hammer Time
Ultimate Carjunky
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Oct 13, 2011, 3:03 AM
Post #10 of 11
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Re: 2009 Nissan Altima SL - Brake Light
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What year? Where were you stationed? Where were you hurt?
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Old 396
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Oct 13, 2011, 4:33 AM
Post #11 of 11
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Re: 2009 Nissan Altima SL - Brake Light
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Shadow Warriors
Death in the Dark
3rd Battalion 9th Marines
Wounded March 3rd 1969
Operation Dewey Canyon
A Shau Valley
Just curious why you deleted the instrument cluster question I asked you?
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