I own a 2002 C5 and my ecbm is shot. This weekend im going to rip it out and resolder it, is it necessary for me to flush and fill with new brake fluid or am i good with the original? If you have any advice on doing the job please let me know.

 

Those are two separate jobs, do the EBCM first.
Allow yourself plenty of time
The job is much easier with a wife helping.
Use a plastic tool to pop the main wiring connector loose.
Don't damage the mounting o ring as they are no longer available.
Search threads here for good write ups and pictures.

 

Thank you for the advice, i heard from a buddy that i should replace the fluid if im doing the ebcm but i wasnt sure if i really had to, im assuming the o ring you’re referring to is the seal that goes to the bpmv?

 

Brake fluid should be changed on a regular basis, as a maintenance item...........

 

I agree, i just mean if i should flush it if i do the job. I do indeed do my fluid regularly as anyone should

 

Doing the job in about an hour i have all my materials laid out and ready

 

0pps mine still stock from 1999. and my 1999 rav. What are the systems if the fluid is going bad?? My cars has no issues with stopping. Are they just going to give out unexpectedly?? I can see racers to keep the fluid up to par because of heat issues but for the street?? I think it's like my lawn mower just something u don't think about , for me anyway. All my friends cars from the 90s that still have their cars their brakes seem to work just fine. I dont know how the brake fluid works in the c5. Maybe its a special system then other vehicles which that would make sense.??


150,000-Mile Service
In addition to the basic services, at the 150,000-mile mark, the service technicians will change the rear axle fluid in all-wheel-drive models, drain and fill the engine’s cooling system, visually inspect the accessory drive belts, replace the hood and/or body lift support gas struts, and replace the windshield wipers.

Mileage Recommended Maintenance 7,500 Change Oil and Filter, Lubricate Doors 15,000 Change Oil and Filter, Cabin Replace Air Filter, Lubricate Doors 22,500 Change Oil and Filter, Lubricate Doors 25,000 Replace Air Filter, Cabin Replace Air Filter 30,000 Replace Air Filter, Lubricate Doors, Change Oil and Filter, Cabin Replace Air Filter 37,500 Change Oil and Filter, Lubricate Doors 45,000 Change Oil and Filter, Cabin Replace Air Filter, Lubricate Doors 50,000 Replace Air Filter, Cabin Replace Air Filter 52,500 Change Oil and Filter, Lubricate Doors 60,000 Replace Air Filter, Lubricate Doors, Change Oil and Filter, Cabin Replace Air Filter 67,500 Change Oil and Filter, Lubricate Doors 75,000 Replace Air Filter, Lubricate Doors, Change Oil and Filter, Cabin Replace Air Filter 82,500 Change Oil and Filter, Lubricate Doors 90,000 Replace Air Filter, Lubricate Doors, Change Oil and Filter, Cabin Replace Air Filter 97,500 Change Oil and Filter, Lubricate Doors 100,000 Replace Air Filter, Spark Plugs Replacement, Transmission Fluid Service, Cabin Replace Air Filter 105,000 Change Oil and Filter, Cabin Replace Air Filter, Lubricate Doors 112,500 Change Oil and Filter, Lubricate Doors 120,000 Replace Air Filter, Lubricate Doors, Change Oil and Filter, Cabin Replace Air Filter 125,000 Replace Air Filter, Cabin Replace Air Filter 127,500 Change Oil and Filter, Lubricate Doors 135,000 Change Oil and Filter, Cabin Replace Air Filter, Lubricate Doors 142,500 Change Oil and Filter, Lubricate Doors 150,000 Replace Air Filter, Cooling System Flush, Lubricate Doors, Change Oil and Filter, Cabin Replace Air Filter

This is for c5

 

Have the risk of getting water stuck in your lines, i would recommend you do. It can make braking less consistent or just that stiff feeling and wont brake as hard, but IMHO it is tedious to do alone but its worth the peace of mind.

 

I took the ebcm out and resoldered it and it didnt work, is there anything else that might be the case, ive heard the relay can go bad but i havent had any codes from the ebcm. Maybe my solders were bad any advice?