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Home >> Pontiac >> 2006 >> Vibe Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission - Mu4 - Service, Removal & Installation, Troubleshooting & Diagnostics) >> Diagnostic Information and Procedures >> Harsh Downshift

Harsh Downshift

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Harsh Downshift

Problem Action
Throttle valve cable out of adjustment Adjust the throttle valve cable.
Faulty throttle vavle cable and cam Inpsect the throttle valve cable and cam.
Faulty accumulator pistons Inspect the accumulator pistons.
Faulty valve body Inspect the valve body.
Faulty transaxle Overhaul the transaxle.