Chrysler Forum - Chrysler Enthusiast Forums - Power Brake Booster Vacuum Specs

Power Brake Booster looses vacuum in as little as 2 days of being parked. Every vehicle in recent history has held brake booster vacuum after being parked for weeks. Dealer says booster vacuum meets MOPAR specs. I'm skeptical as I paid to have the headlamps aimed during the same visit - ended up aiming them myself as they were now cockeyed. Paid to have the driveline imbalance corrected - it's now just farther up the speed range - above 45mph. Paying an independent shop I trust to go through 300 this coming week.

Found MOPAR tests for the Sebring Vacuum booster - relevant to the later 300 booster? Static test for an isolated booster is one inch within one minute maximum. Dynamic test with the pedal applied to an isolated booster is no more than 3 inches within 15 seconds.

Any and all experiences appreciated. I learned decades ago it's cheaper to have the vehicles fixed on my dime than be forced to hire an attorney.

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