matt91rs

so i just bought the car yesterday its a 91 rs 305 auto. my problem is that when i step on the brakes and hold like at a stoplight or getting off the freeway the pedal starts to sink till in hits the floor then the abs light comes on and the car starts to roll. i know it needs new wheel cylinders (already have them) but as is the car doesnt leak. i need help fast because i drive my son 10 miles to daycare in this car

Killert

iTrader: (9)

Sounds like a internal leak in the master cylinder to me.

matt91rs

thanks second opinion anyone?

kevinc

Falling pedal with no fluid loss is the master cylinder "recirculating" fluid instead of pumping it. Get a replacement and be sure to bench bleed it per the directions.

JamesC

iTrader: (5)

Have you checked the fluid in the master?

JamesC

matt91rs

master cyl. is full. i got a replacement today lets hope this work

matt91rs

Problem solved! thanks for the advice new master and rear wheel cylinders, shoes, drums, and a brake flush.