If the vacuum modulator's diaphragm becomes ripped, the customer may report that the vehicle shift is extremely delayed and harsh, often shifting only at the engine red line, regardless of the driving condition or throttle position.

Question

Quizplus · Accepted Answer

A ripped vacuum modulator diaphragm can cause a loss of vacuum signal to the transmission, leading to delayed and harsh shifting as the transmission relies on this signal to determine shift timing.

If the Vacuum Modulator's Diaphragm Becomes Ripped, the Customer May