2016 Crew Cab Big Horn 4x4
Between driving to work and leaving work a few days ago my brake pedal went from normal/firm to very soft.
The truck sat for maybe 3 hours in our parking lot. Now the pedal will go clear to the floor, but a couple pumps will get it to firm up for a short period of time.
Brake fluid level is fine.
I replaced the hydro booster at the recommendation of a friend who had similar issues, and while it has gotten slightly better I still have the same issue.
I was losing power steering fluid before replacement; I am not now so it did have a leak somewhere even though I couldn’t find it.
Truck is 3 year old with 162,000 miles.
I’m thinking I need to get a brake flush done, but looking for other potential issues if I can find them.
The sudden onset with no fluid loss or any other outward sign is what has me really confused.
I have checked all ABS and brake related fuses I could find. No ABS or other warning lights. Pads are in good shape. No grinding, squealing or any other noises.
Thanks for any input.
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