Locked Up in Drive/Reverse. Buick Allure 2009

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2009 🢒 Allure 🢒 Transmission 🢒 Automatic Transmission - 4T65-E 🢒 Locked Up in Drive/Reverse

Checks

Cause

DEFINITION: The vehicle cannot be moved forward or backward during the following conditions:

•	The engine is running.

•	The transmission is in Drive or Reverse range.

•	The vehicle brakes are not applied.

•	The throttle is closed (idling).

Manual Linkage

Misadjusted

Input and Reaction Carrier Assemblies

The input carrier assembly (672) or the reaction carrier assembly (675) components are damaged.

Differential Carrier Assembly

•	The park pawl assembly (694) is broken or damaged.

•	The sun gear shaft (689), the internal gear assembly (693), or the carrier assembly (700) components are damaged.