Suck Hardcore: Tranny

In many older automatic transmissions, a small component called the acts as the "brain" of the gearbox. It tells the transmission how much load the engine is under by measuring vacuum pressure from the intake manifold. 1. The Diaphragm Failure

When a transmission starts sucking fluid into the engine, the symptoms are immediate and hard to ignore: tranny suck hardcore

If you are dealing with a car that "sucks" in the literal, mechanical sense, here is a write-up on why your transmission vacuum modulator might be the culprit. ⚙️ The Mechanics of "The Suck" In many older automatic transmissions, a small component