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Posts Tagged: transmission slipping

Transmission slipping

Why is my transmission slipping, won’t go forward, clunks, won’t shift When a transmission starts slipping, clunking, not shifting, or won’t move, it doesn’t take a brain surgeon to know something is major league wrong with it. Owners who have ignored maintenance on their vehicles up to this point usually engage in “magical thinking” by thinking that a transmission fluid change will fix the problem. Dream on! All of the problems are caused by improper pressure inside the transmission that prevents clutches and bands from applying full force. Low pressure … Read More

Engine surging Impala

How to fix engine surging Impala Chevrolet Impala 1999-01 may experience Engine surging at highway speed. While this may be an air fuel related problem, it can also be caused by a slipping torque converter clutch. This happens when the torque converter clutch (TCC) is not fully applied. GM refers to this as a slip/stick condition. The TCC is applied with fluid pressure from a solenoid valve in the transmission valve body. The solenoid is pulsed by the PCM. In this particular model, Chevrolet has experienced some electronics failures where the … Read More

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