Dogfight102
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- Jan 3, 2020
- Thunderbird Year
- 1978
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Modulator valve is on the transmission.it has a diaphragm in it that ruptured and allows fluid to be drawn into the intake manifold
The emergency brake has a vacuum operated release mechanism . It's getting the transmission fluid from the intake manifold
Replace the modulator.
This here sounds like your possible issue. Though I would still check the transmission fluid itself. If your transmission fluid is brown it means the fluid is burnt or very old. Possibly meaning burnt bands or worn clutches. It could very be the only reason your car is still moving is because of the amount of particles floating in the fluid is allowing the clutches to still engage. I would inspect the transmission as well when you have the modulator checked.Modulator valve is on the transmission.it has a diaphragm in it that ruptured and allows fluid to be drawn into the intake manifold
The emergency brake has a vacuum operated release mechanism . It's getting the transmission fluid from the intake manifold
Replace the modulator.