Site Sponsors & Vendors
Page 1 of 2 12 LastLast
Results 1 to 10 of 14

Thread: ((Brake)) light on

  1. #1
    Senior Member
    Join Date
    Sep 2008
    Location
    Mahopac New York
    Posts
    259
    Post Thanks / Like

    Default ((Brake)) light on

    Just had this happen yesterday. the ole big (( Brake)) warning. History, 2 months ago, had SS brake lines put in, complete flush, all new fluid. Also all tires and rims, same size so no mismatched diameter. 1 Item is the brake bleeder when doing the work was stripped out when doing the flush so a new caliper was put on the left front, and as well, heard what seems a pop as well on the left front. Checked, no leaks, no shudder, no pull, pedal feel is perfect, stops perfect, no TSC or ABS off warnings. Everything is tight.

    Could it be

    1) Air in the system, but that is at odds with the pedal feel
    2) Hub speed sensor?

    I will get codes this week, but rather odd
    08 GT MGM Onyx/Red Premium
    Winter 225/55/17
    Summer 245/40/19
    Kook Mids, Green Cats and Solo Mach Unbalanced
    RotoFab
    Maverick Man CF Spoiler
    Tuned by East Coast Superchargers

  2. #2
    Addicted Member
    Join Date
    Feb 2011
    Location
    Latham NY
    Posts
    661
    Post Thanks / Like

    Default

    Brake fluid level OK? When did you hear the pop?

  3. #3
    Senior Member
    Join Date
    Sep 2008
    Location
    Mahopac New York
    Posts
    259
    Post Thanks / Like

    Default

    Brake level is perfect, all new fluid, system flushed. No dirt, clean new fluid. All Calipers tight, pedal feel perfect. Stops straight, no vibration, no pull, like brand new. DBA slotted roters, Hawk pads. All good.

    Pop was last nite, sounded like if you hit a stick or something, looked around, no stick, no rock, no nothing on the road.

    That is what is odd, the obvious red flag is no where
    08 GT MGM Onyx/Red Premium
    Winter 225/55/17
    Summer 245/40/19
    Kook Mids, Green Cats and Solo Mach Unbalanced
    RotoFab
    Maverick Man CF Spoiler
    Tuned by East Coast Superchargers

  4. #4
    Moderator, Retired -Ray-'s Avatar
    Join Date
    Aug 2008
    Location
    San Antonio, TX
    Posts
    20,172
    Post Thanks / Like

    Default

    It could also be the brake light switch. Does cruise control work? Need the code of course.
    Rest in Peace Charlie!

    BMR, Brembo, Circle D, Comp Cams, Crazy Paul's Holden parts,
    Gforce axles, GRRRR8.net SS bolt kit and heater hoses, LandSpeed Development,
    Livernois, Lunati, Pedders, White auto media
    Under more construction.


    Just a GT


    Quote Originally Posted by RichsGreyGT View Post
    this site is hardcore modding central.

  5. #5
    Senior Member
    Join Date
    Sep 2008
    Location
    Mahopac New York
    Posts
    259
    Post Thanks / Like

    Default

    Ray, did not think of that, will see if it works when I bring it in. Hoping it is a switch, but that load pop sounding like a ran over something concerns me.
    08 GT MGM Onyx/Red Premium
    Winter 225/55/17
    Summer 245/40/19
    Kook Mids, Green Cats and Solo Mach Unbalanced
    RotoFab
    Maverick Man CF Spoiler
    Tuned by East Coast Superchargers

  6. #6
    Moderator, Retired -Ray-'s Avatar
    Join Date
    Aug 2008
    Location
    San Antonio, TX
    Posts
    20,172
    Post Thanks / Like

    Default

    Quote Originally Posted by Chooch View Post
    Ray, did not think of that, will see if it works when I bring it in. Hoping it is a switch, but that load pop sounding like a ran over something concerns me.
    If you drive it, stuff is gonna hit it. I hate it, but I want to drive it. Thanks for still being with the forum. OG baby.
    Rest in Peace Charlie!

    BMR, Brembo, Circle D, Comp Cams, Crazy Paul's Holden parts,
    Gforce axles, GRRRR8.net SS bolt kit and heater hoses, LandSpeed Development,
    Livernois, Lunati, Pedders, White auto media
    Under more construction.


    Just a GT


    Quote Originally Posted by RichsGreyGT View Post
    this site is hardcore modding central.

  7. Likes Chooch liked this post
  8. #7
    Senior Member
    Join Date
    Sep 2008
    Location
    Mahopac New York
    Posts
    259
    Post Thanks / Like

    Default

    Charlie invited me when it first was opened up. Still the defacto place for info. Still have the car, still love the forum . OG 100%

    As for the car. we shall see, in shop today, getting codes pulled. Very odd, hoping it is a sensor that is flaking out

    Still have some work to get done. Damm Rear O2 sensors are throwing the CEL due to Kooks Mids and high flow cats. Just need a nice street tune to complete


    Quote Originally Posted by -Ray- View Post
    If you drive it, stuff is gonna hit it. I hate it, but I want to drive it. Thanks for still being with the forum. OG baby.
    08 GT MGM Onyx/Red Premium
    Winter 225/55/17
    Summer 245/40/19
    Kook Mids, Green Cats and Solo Mach Unbalanced
    RotoFab
    Maverick Man CF Spoiler
    Tuned by East Coast Superchargers

  9. Likes -Ray- liked this post
  10. #8
    Beyond Help Napalm's Avatar
    Join Date
    Mar 2011
    Location
    Memphis TN
    Posts
    1,340
    Post Thanks / Like

    Default

    like someone else said - brake fluid level or fluid lever switch. That light also comes on when you leave the parking brake on - and I think the trigger for that is actually in the console by the handle and is a switch that shows the handle is above some point.

    As far as I know those are the only 2 things that make that light come on but I don't have a manual in front of me. That pop you heard might have been the cable for the parking brakes - and that might be the cause. MIGHT - being the key word there.
    If Guns Kill people, then Spoons Cause Diabetes

  11. #9
    Senior Member
    Join Date
    Sep 2008
    Location
    Mahopac New York
    Posts
    259
    Post Thanks / Like

    Default

    The Saga continues. Tech had the car, brake light came on, then went off. Scanned for codes and the only ones were for the rear os sensors. Nothing for the brake(s).

    He checked ABS leads, all good. Checked fluid. All good. Gonna see if the Fluid level sensor has a bad connection or the foot pedal switch.

    The Parking brake sensor is fine and when I lifted the handle the P Brake warning came on as it should, lowered and went away.

    IF it was ABS leads, the TCS disables and that did not happen. Cruise worked with the brake light on.

    The Pop that I heard was in the front, so that could be time for new sway bar bushings or god forbid, 3rd set of LCA's,, but car is 100% smooth, no creaks.

    This brake thing is just weird.
    08 GT MGM Onyx/Red Premium
    Winter 225/55/17
    Summer 245/40/19
    Kook Mids, Green Cats and Solo Mach Unbalanced
    RotoFab
    Maverick Man CF Spoiler
    Tuned by East Coast Superchargers

  12. #10
    Vendors Phil@PnP Tech's Avatar
    Join Date
    Nov 2011
    Location
    Cincinnati,OH
    Posts
    525
    Post Thanks / Like

    Default

    Was this tech at the dealer and what scan tool did they use? The GM Tech 2 or Tech2Win may be the only device to accurately diagnose. Even the fanciest of generic scan tools will not diagnose beyond the standard SAE powertrain codes.
    Phillip M.
    09.5 SBM GT Sports/Premium/Roof

    Engine: Stock Bottom End
    Heads: Stock, LS3 Intake, LY6 Exhaust, Milled
    Cam: BTR IV PD
    Intake: Stock Intake, Stock TB, LS7 MAF, Volant CAI
    Exhaust: 1-7/8 Kooks LT's, Off-Road Pipes, Corsa cat-back
    Fuel: Fore Twin Ti 450's, Vaporworx, E85, Bosch Injectors
    Drivetrain: 6L80, Sonnax
    Suspension: BMR 15" Strange Coilovers
    Wheels/Tires: 15x10 RT-S on 275/60R15 Pro's, 17x5 Weld on M/T 28"
    Ported LSA Blower, 9.55/2.55, 102 TB, Chiller

    High Compression/Boost/E85

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •