Question about 1999 GMC Jimmy

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Anti-lock and red brake light are on after left rear steel line was leaking. Has been repaired and bled but rears don't seem to be working as well as lights are illuminated

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When you bleed the system there is a porportioning valve that has to be re-set or replaced.

Posted on Aug 05, 2010

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Posted on Jan 02, 2017

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1 Answer

2000 blazer cannot bleed rear brakes


You can also vacuum the fluid through the system to the back with a vacuum bleeder attached to a rear bleeder.

Oct 23, 2017 | 2000 Chevrolet Blazer

1 Answer

2001 Silverado 2500 HD Why Rear brakes don't work after I installed new hydro-boost power booster, master cylinder, calipers, and pads. I bled master cylinder before installing, and brakes beginn


Hello Patricia,

Have you checked the master brake cylinder reservoir for brake fluid loss?

I don't suspect the master cylinder as you have replaced it... but am more suspect of a leaking brake line or fitting which should have
been discovered when you had the system bled.

The only time I ever had a rear brake problem with a 2500 series Chevrolet was due to seized rear brake caliper guide pins...as your calipers are also new that is not your problem.

If your brake pedal feels spongy and travels to the floor board you have air in the system, a brake fluid leak or a failure in the power steering system, such as a broken hose, broken power steering pump drive belt, or failed pump, would result in a loss of pressure to both the hydro-boost and steering.

Find more information here:

. Hydro Boost Power Assist Systems Operation Diagnosis and Repair

Jul 23, 2017 | 2001 Chevrolet Silverado 2500HD

1 Answer

Brake fluid leaking from a pin hole from the rear steel brake line


The brake line needs to be replaced or repaired.

Sep 28, 2012 | Cars & Trucks

1 Answer

1999 Ford E350 van problem: brake pedal is soft; have replaced master cylinder, rear wheel cylinders, rear brake shoes and drums, front calipers, rotors and discs; have bled master cylinder before...


Good question, on the antilock system is a bleader too and bleade it the same way you bleade the caliper. After all is done adjust the rear brakes, they should have a drag to them.

Feb 23, 2011 | 2007 Ford E-350 Super Duty Length XLT

2 Answers

92 regency with abs...rear brake line broke, replaced line and bled line.. no pedal. i bled all the lines, bench bled the master cyl and the abs manifold and still have nothing unless i pump the brakes 3...


Brother, it's just the fact that there is STILL air in your system. Just fill the master cylinder, open the left front line and let it run into a bottle to catch it for a bit until you know for sure all air is gone from that line. Then do the same with the right front. Then the left rear, then right rear. This is gravity bleeding, no pumping required. It's the only way to know for sure that each wheel cylinder and line is free of air. Only let the master cylinder drain down about half way each time the tighten each bleeder. Refill with the drained fluid. Be patient my friend, it takes time to do it right, but it works for me every time. Good day.

Mar 03, 2018 | 1992 Oldsmobile Ninety Eight Regency

1 Answer

I have a 2000 chevy blazer. had to short fix left rear brake line with hose and clamps. bled air from that side, brakes were soft in the pedal. checked right rear for any air had none. brakes still feel...


do not drive the vehicle. remove the hoze. replace it with steel line. rubber hoses are not meant for the high pressures of brake lines. it is expanding when you press the brake pedal. very unsafe.

Mar 23, 2010 | 2000 Chevrolet Blazer

2 Answers

I have re/re the rear brake cylinders,shoes,drums,front rotors,pads,and callipers on my 2000 gmc safari van.i have bled all the brakes. but the drivers front has no pressure or fluid.the other three brakes...


make sure you are bleeding them by doing them as an abs system,do the right rear then the left front,then the left rear then the right front,the opposite wheels are how the system brakes.

Jan 21, 2010 | 2000 GMC Safari

1 Answer

Brake light nad rear anti lock light wont go off


Check the fluid level, top it off if needed, look for a fill to line on the side of the reservoir. Check rear brake shoes/pads, are they too worn? Replace with new ones. Bleed all 4 wheels, starting with the farthest one, then go to next farthest, and so on. Look for leaks inside the rear wheels. Adjust rear brakes (if shoes not pads).

Jul 09, 2009 | 1988 Ford Bronco II

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