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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 48 (Automatic Transaxle - 4T80-E - Introduction (2 Of 2)) >> Repair Instructions >> Repair Instructions - On Vehicle >> Transmission Mount Inspection >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
    2. NOTE: In order to avoid oil pan damage and possible engine failure, insert a block of wood that spans the width of the oil pan bottom between the oil pan and the jack support.
    IMPORTANT: Before replacing any transmission/transaxle mount due to suspected fluid loss, verify that the source of the fluid is the transmission/transaxle mount, not the engine, transmission/transaxle or accessories.
  2. Raise the transmission/transaxle in order to create a slight tension in the transmission mount.
  3. Observe the transmission/transaxle mount while raising the transmission/transaxle. Replace the transmission/transaxle mount if the transmission/transaxle mount exhibits any of the following conditions:
    • The hard rubber surface is covered with heat check cracks.
    • The rubber is separated from the metal plate of the transmission/transaxle mount.
    • The rubber is split through the center of the transmission/transaxle mount.
  4. When replacing the transmission mounts or transmission brackets refer to the following procedures:
  5. If there is movement between the metal plate of the transmission/transaxle mount and its attaching points, lower the transmission/transaxle on the transmission/transaxle mount. Tighten the bolts or nuts attaching the transmission/transaxle mount to the frame or transmission/transaxle mount bracket. Refer to Fastener Tightening Specifications .
  6. For information on the engine mounts, refer to Engine Mount Inspection .
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