W couple weeks ago I moved the D44 from dad's MJ to mine, the parking brake was working fine for him. But now that its under my MJ its not working... I replaced all the brake hardware (springs, tension cable, and self adjuster), , adjusted the drum brakes, and adjusted the cable under the bed where it splits off to both brakes.... the parking brake lever is stiff to press, and will spring back kile it did in out F-250, but it seems to not be doing anything... the normal driving brake works fine.