brake is hard

Asked by will1954 Apr 24, 2013 at 11:43 PM about the 1990 Mercedes-Benz 300-Class 4 Dr 300TE Wagon

Question type: Maintenance & Repair

the car was not runing so good be be for the brake got hard

3 Answers
5,355

Hector answered 11 years ago

if the engine has a misfire, or is not working good the vacuum gets low and the brake gets hard. you must fix the engine failure before you test for vacuum leak.

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