Owners of 2005-08 9-7X models may complain of a squeaking sound when slowly applying or releasing the brake pedal.
According to Saab, one possible cause is contaminated brake fluid, which will swell the seals in the master cylinder.
To make the diagnosis, apply and release the brake pedal while you listen for the noise under the hood. If you can isolate the squeak to the master cylinder area, contaminated fluid is the likely culprit.
Draining the master cylinder and flushing the brake system with a new DOT 3 brake fluid, Part No. 88862806, should put an end to the condition.
"Factory Fixes" is written by Jim DePalma, a 30-year veteran of the auto repair business who has served stints as a service manager, parts manager and ASE-certified technician. His column provides vehicle manufacturers' authentic factory technical service bulletins (TSBs) that have been condensed for easier reading. Mr. DePalma advises that techs always check with a dealer or repair information system for the latest revisions before starting to work on a vehicle. He can be reached via e-mail at [email protected].