OCCASIONALLY ABS MAKES A MOOING SOUND

2003 Pontiac Montana

Tiny

karenthompson

November, 4, 2012 AT 1:51 AM

Occasionally ABS makes a mooing sound. What can it be and how do we fix?

FOUND 1825 RELATED QUESTIONS

2 Answers

Tiny

mhpautos

November, 4, 2012 AT 2:33 AM

When dose it make this sound?

Tiny

caradiodoc

November, 4, 2012 AT 2:35 AM

Do you have traction control or does this only occur when you press the brake pedal? False activation when you press the brake pedal is often due to a loss of the signal from one of the wheel speed sensors. GM has a lot of trouble with wheel bearings causing that on front-wheel-drive vehicles in as little as 15,000 miles. Rust buildup between the sensors and where they bolt onto the bearing assembly is another common problem. Also look for rust and metal particles on the ends of the sensors. The best way to determine which sensor is causing the problem is to watch the speed readings on a scanner during a test drive.

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