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Home >> Pontiac >> 1991 >> Grand Prix V6-204 3.4L DOHC >> Repair and Diagnosis >> Technical Service Bulletins >> All Technical Service Bulletins >> A/T - Diagnosing Converter Lock-Up Problems >> Test # 11 - Checking Lockup Apply Valve

Test # 11 - Checking Lockup Apply Valve

TEST # 11

CHECK THE LOCK-UP APPLY VALVE




^ Check the lock-up apply valve to make sure it is not stuck or assembled backwards.

^ 125C: located in auxiliary valve body

^ 180C:located in pump

^ 200C: located in pump. Not accessible with transmission in car

^ 250C: located in auxiliary valve body

^ 350C: located in auxiliary valve body

^ 200-4R: located in pump, above the solenoid

^ 700-R4: located in pump, above the solenoid

^ 440-T4: located in valve body under solenoid