After the transmission was slipping etc, a rebuilt trans was installed, but after it was banging into drive and slipping and vibrating, a 2nd rebuilt trans was installed under warranty, but this one has caused major vibrations in gear, or neutral, or park at 750 rpm idle. When boosted to 1,000 rpm, the vibrations disappear. Mazda service advises they cannot boost the idle due to factory settings. It is even worse when the A/C is on as the idle drops unlike my Miata where the idle increases when the A/C is on. Motor and trans mounts and the idle air control valve have all been replaced w/ no effect. Is there a way to change these settings, or place something on the accelerator like a govenor to prevent it from going below 1,000 rpm? I recognize that the torque converter may be defective, but I do not want to spend any more money on the trans.
Jan 14, 2015 at 9:38 PM
