Hello all,

I have a 1984 300D, and im having a problem with the brakes... I have searched up on this and i seen a couple threads that seemed like the same problem im having but nothing really definitively the same...

Id like to say it just started maybe 3 days ago and has since got worse daily.

At the moment i can start the car and let it idle, put my foot on the brake and within maybe 5 seconds it will eventually hit the floor but slowly. When i take my foot off the brake the pedal comes right back as it should.

I have not lost any fluid, all drums were dry as of yesterday.

I can put the brake all the way to the floor and shut the car off and it will shut off right away.

The only time i have had a vacuum problem is when its cold out and i dont cycle them via turning on the heat, thats the only time my doors wont lock and the engine wont shut off right away.

Ive even unplugged a few different vacuum lines (not knowing which are which, probably not smart i know, but they were right near the brake system...) while the car was running and tried the brakes and there was no change in the time of the softness.

Any ideas? Maybe point me to a thread i might have missed?

Thanks much!

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1984 300D | Semi Rust Free Florida Car | 184K

1985 300TD | Rusted Out | Parted To The Bone Then Crushed