One problem related to brake fluid has been reported for the 2004 SAAB 9-3. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 SAAB 9-3 based on all problems reported for the 2004 9-3.
Faulty installation at factory of brake line resulting in rubbing of the line until loss of all fluid and braking ability. Potentially fatal result as all braking is lost without warning.