GMC 1995 sonoma brake problem?

[Jake]

I stopped pretty quick in order not to run a yellow light. The rest of the ride home my brake pedal would go in further than it had before and it was braking slow enough to be almost a very serious issue. So now what?

 

[Molson02536]

I stopped pretty quick in order not to run a yellow light. The rest of the ride home my brake pedal would go in further than it had before and it was braking slow enough to be almost a very serious issue. So now what?

Look for any brake fluid leaks around anyone of your four wheels and inspect your brake fluid level. If there is no leaks anywhere, good chance that your master cylinder will need to be replaced.

keep us posted and be safe.