Question about 2006 Chevrolet Monte Carlo

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My 2006 Chevy Monte Carlo has been making a noise for a couple weeks like the brake pads were getting a little thin. I was planning on doing a brake job this weekend. However, today as I was leaving work, the brakes were engaged while driving. If I put a little toes worth of pressure on the brake pedal, the car came to an immediate stop. With the car in drive and no gas or brakes applied, the car stopped. I pulled over at a gas station to check the brake fluid and the gasket under the master cylinder cap was totally expanded with no way of making it fit back the way it's supposed to. After leaving the cap off and pumping the brakes, enough pressure was released for me to drive the last mile to my house (cap on but not gasket on the master cylinder). Friend who owns a brake shop thinks someone put power steering fluid in the master cylinder. Is there any other problem it could be?

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  • Chevrolet Master
  • 2,918 Answers

It certainly sounds as though the brake fluid had been contaminated with some form of oil, probably mineral oil.

It is potentially a seriously big and expensive job to sort out as it is possible the oil has found it's way into the brake system threatening every rubber component including the hoses.

Ideally every rubber component should be replaced for the sake of long-term safety and reliability and all the pipework flushed. It would be considerably cheaper to obtain service kits for the master cylinder, calipers, etc. but there would be a great deal more work involved.

If I was faced with the problem I would replace the master cylinder or fit a service kit and then after draining the system and purging it with compressed air I would check each caliper for normal operation. If one seemed stiff or tight I would dismantle it for inspection and if there is indication of contamination the seals and the flexible hose to that wheel should be replaced.

Posted on Mar 12, 2017

Testimonial: "Wow. This is old but you nailed it. Don't know what it was contaminated with but that is how I fixed it: new master cylinder, new calipers, all new rubber hoses, new pads and went ahead and put new rotors on. Man I miss that car. Thanks for taking the time to answer."

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SOURCE: brakes new but still make a rubbing noise

Some brake pads have a small pin sticking up for the e brake that pad must be on the outside when not installed for the e brake or the caliper will not push it out straight. Remove the pads and check for wear on the caliper face and make sure you have them installed correctly I put a pad in backwards once it worked but made a noise

Posted on Mar 20, 2009

emissionwiz
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SOURCE: 1996 monte carlo fault codes po300, 441, 705,

THESE ARE FROM THE GM CODE DIFINITION MANUAL, U NEED TO TAKE THIS TO THE DELAER, U HAVE SOME SERIOUS PROBLEMS TO GIVE THIS MANY CODES.

P0300 - Engine Random Misfire Detected
P0441 - Evaporative Emission Control System Incorrect Purge Flow
P0705 - Trans Range Switch Circuit
P1106 - Manifold Absolute Pressure (MAP) Sensor Circuit Intermittent High Voltage
P1133 - Heated Oxygen Sensor (HO2S) Insufficient Switching Bank 1 Sensor 1
P1441 - Evaporative Emission (EVAP) System Flow During Non-Purge
P1662 - Cruise Lamp Control Circuit
P1672 - Low Engine Oil Level Lamp Control Circuit
P1870 - Transmission Component Slipping

Posted on Mar 24, 2009

BCAS1298
  • 3092 Answers

SOURCE: My 2006 Chevy Avalanche's check engine light came

All these code's are to your transmission, your mech needs to do more then pull code's, he needs to look at date on sensor to transmission before opening.

P0740 - Torque converter clutch solenoid circuit

P0758 - Shift solenoid (B) electrical

P0785 - Shift timing solenoid

P0761 - Shift solenoid (C) performance or stuck off

I would try Trans - X first pores right in to trans.

Posted on Jan 15, 2010

  • 1024 Answers

SOURCE: the dash lights go out when brake is applied

check the ground on your brake light

Posted on Feb 25, 2010

  • 22 Answers

SOURCE: how do you remove the plastic monte carlo raised letters?

Use fishing line to remove the lettering. If you get the line under the double sided tape on one side, just gently drag the fishing line down the rest of the emblem and it should remove it. You'll have sticky residue left over on the surface, but it can be removed with a bit of elbow grease

Posted on Mar 09, 2010

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