Front Engine Mount
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- Install a pole jack underneath the oil pan.
- Insert a block of wood between the engine oil pan and the pole jack.
- Raise the jack until the wooden block contacts the engine oil pan.
- Raise the engine in order to place a slight tension on the rubber cushion. Observe both mounts while raising the engine.
- Replace the mounts if any of the following conditions exist:
- Hard rubber surface covered with heat check cracks
- The rubber cushion separated from the metal plate of the mount
- The rubber cushion is split through the center
- The mount is leaking
- If there is movement between a metal plate of the mount and its attaching points, lower the engine and tighten the bolts or nuts attaching the mount to the engine, the frame or the bracket.
NOTE:
Broken or deteriorated mounts can cause misalignment and destruction of certain drive train components. When a single mount breaks, the remaining mounts are subjected to abnormally high stresses.