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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1327 (Automatic Transmission - Mu4 (Introduction, Service & Replacement)) >> Diagnostic Information and Procedures >> Road Test Procedure >> Upshifts and Torque Converter Clutch (TCC) Apply Test

Upshifts and Torque Converter Clutch (TCC) Apply Test

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
  1. Move the manual selector to the Drive (D) range.
  2. Depress the Overdrive Switch.
  3. Accelerate the vehicle using steadily increasing throttle pressure.
  4. Note the vehicle speeds and the shift points for the following gears:
    • Second gear (2)
    • Third gear (3)
    • Overdrive (4)

      Observe the vehicle speeds and the shift points at which the Torque Converter Clutch (TCC) engages. TCC apply should occur in 3rd gear.

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