Brake noise

GEAGLE2K

MEMBER
1999 SATURN SL2
4 CYL
FWD
AUTOMATIC
157,000 MILES

I have a 1999 Saturn SL2. When I press the brake between 15 and 40 MPH, there is a loud, almost plastic sounding rattling coming from what sounds like the drivers side wheel well area. When this occurs, it causes lights, radio, etc to flicker. Any ideas?

3 Replies

SATURNTECH9

MECHANIC
30,869 POSTS

I would inspect the brake's make sure everything look's good. Also make sure your battery cable's are clean and tight have your battery and alternator tested. That's where I would start. Let me know what you find.

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Sunday, March 20th, 2011 AT 7:36 PM

GEAGLE2K

MEMBER
3 POSTS

Brakes, battery and alternator ok. When I pull the ABS fuse, the knocking goes away. Either the fuse is bad (and unlikely) or the knocking is in the ABS system itself. Any idea what it could be?

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Monday, March 21st, 2011 AT 3:17 AM

SATURNTECH9

MECHANIC
30,869 POSTS

So the abs valve on the master cylinder is making that noise?I have seen the gear's on the bottom of that abs valve loosen up and make a rattling noise. There is a cover over them.

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Monday, March 21st, 2011 AT 3:29 AM