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The CHEVY / GMC Medium duty trucks have power assisted hydraulic brakes. The assist comes from the power-steering pump (not vacuum as with cars or light trucks). Pretty sure the brake system trade name for the C4500 series truck is HYDROBOOST and the trade name for the C5500 is HYDROMAX.
This brake system incorporates monitors for various things that can go wrong. When it does the dashboard BRAKE light (to the left of the speedometer) will come on as well as the SERVICE BRAKE light which is to the right of the steering wheel below the radio - it has a picture of a wrench. At the same time the warning CHIME will sound continuously. It will not silence until you fix the problem.
On my 2003 C5500 truck I discovered after much aggravation that the warning chime and light was sounding because of a failure in the electric backup to the HYDROMAX. The HYDROMAX system has an electric pump to power the HYDROMAX in the event the engine stalls while driving. Without it you would loose power braking if the engine stalled while driving. This electric backup system is checked every time the engine is started. If it does not come on, the warning light and chime will come on shortly. The pump is mounted at the firewall under the hood behind the steering wheel attached to the master cylinder. The pump is powered by a 40 amp plug in relay located right next to the electric motor.
On my truck this relay went bad and changing the relay solved the entire problem.
As a side note: if the brake fluid is low in the reservoir, the dash BRAKE light will come on but not the SERVICE BRAKE light.
What else can I help you with?
How do you fix Chevy truck c5500 PARKING brake warning tone?
Take it to a garage to be serviced by a qualified mechanic.
Reset wrench light with oil can on a Chevy c5500?
The reset ranch light with the oil can on a Chevy C 5500 is a warning to check the oil. It can also mean that the oil needs to be changed.
What is the brake bleeding procedure for a Chevrolet C5500?
To bleed the brakes on a Chevrolet C5500, start by ensuring the vehicle is on a level surface and securely supported. Begin at the wheel farthest from the master cylinder, typically the passenger rear wheel, and use a brake bleeder wrench to open the bleeder valve while a helper presses the brake pedal. Close the valve before the pedal is released, then repeat until no air bubbles appear in the fluid. Move to the next wheel in the order: driver rear, passenger front, and finally driver front, ensuring the brake fluid reservoir is kept topped up throughout the process.
What are the main features of the Chevrolet C5500?
The main features of the Chevrolet C5500 is that of a flatbed 4X4 truck. It features a 6.6L V8 Duramax 8 cylinder diesel engine and is equipped with a 5 speed automatic transmission.
Where can I find wiring schematics for a 2003 GMC C5500?
Behind the glove box
What is oil capacity of a 2005 C5500 Kodiak 8.1 L engine?
9.6 liters
Remove power steering hose on 2007 GMC c5500?
unscrew the bolt and it will come off
2006 c5500 duramax engine oil capacity?
I have a C4500 with a 6.6 Duramax and it takes 16qts. with the filter, also change your fuel filter with every oil change.
How do you reset oil indicator light on 2006 Chevrolet C5500?
the oil indicator light only comes on when the oil preesure is below normal operating levels, you should get with your dealer on that one.
How much horse power for kodiak c5500 vortex 8.1?
The Vortec 8100 was available in horsepower ratings from 340 to 550 horsepower for road use applications. You'd have to call a Chevrolet dealer with your VIN to find out specifics about your exact vehicle.
Oil change reset 2005 gmc c5500?
I had the same question... i believe you have to turn the truck off, turn the key to the accessory/on position, press the gas pedal 5 times, then turn the truck on. The reminder light should b reset now.
How do i upgrade my Samsung Blu-ray player BD-C5500?
If the player is WiFi enabled, you can hook up to the Internet to get the update. Otherwise, you'll need to go onto Samsung's website and download the update, burn it onto a blank disk and put it into your player
