The ABS dash light comes on and sometimes when the brake is applied it makes a chattering noise under the hood and the brake pedal feels a little different. Otherwise the brakes seem fine. I have been driving it lie this for some time but would like to try and fix it mself as I'm low in funds.
Here's a guide for your ABS brakes Harvey. Repair Guides Four Wheel Anti lock Brake System Diagnosis And Testing...
SOURCE: 1993 Subaru Legacy Wagon: Bumpy Brakes
Your '93 Legacy was one of the first cars to provide ABS as standard. If your ABS is activating, you'll feel a fast pulsing feel when braking, is that what you experience?
If it's more of a brake pedal movement that changes frequency with the cars change of speed, and when moving slowly it feels slower and more pronounced, you likely have a warped rotor.
An ABS issue should be checked out by a Subaru mechanic. If it's the rotor, then the offending rotor will have to be machined or replaced. If you can identify the rotor that's warped (with the car on stands, rig up a steel ruler so that it touches the rotor, and spin the wheel by hand. If it touches intermittently, then the rotor is warped) you may be able to remove it yourself (buy a workshop manual for instructions) and bring it to a brake shop and have it machined. This is far cheaper than they doing the whole job.
However, if you're not comfortable with these suggestions, then have a brake shop do it for you. This is an important safety device (obviously) and worth the money to have it done correctly. Early Legacy's are pretty much bullet-proof and last forever, so the investment will be worthwhile.
Hope this helps.
SOURCE: On my 2005 subaru legacy outback 2.5l replaced
If I understand you correctly, you feel a vibration it the brake pedal when you apply the brakes. Is that correct?
Have your brake rotors re surfaced; they are warped.
"engine makes cavitating noise" ....what does this mean?
SOURCE: i have a subaru legacy outback, abs light comes on
one of your abs sensor is bad or the abs motor,go to local shop to diagnose which sensor,shop usually charge $ 60 to diagnose abs system,good luck, let me know ..
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