Pontiac 10152240 Reinforcement, Engine Mount Bracket

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Check the mounts for cracked, hardened, or separated rubber, and look for any relative movement between the mount plates and the engine or frame, using a large screwdriver or pry bar to test for movement.

To replace the front mount, relieve tension by raising the engine slightly. Then, remove the engine mount-to-engine block bolts and the through-bolt before taking out the mount. Install the new mount with through-bolts and nuts, followed by the engine mount-to-engine block bolts, ensuring they are torqued to specifications.

To check the mounts, the engine must be raised slightly to relieve weight from them. Begin by raising the vehicle and securely supporting it on jack stands, then position a jack under the engine oil pan with a large block of wood in between. Carefully raise the engine just enough to take the weight off the mounts, ensuring no part of the body is placed under the engine when it is only supported by a jack. Inspect the mount insulators for movement; if any is noted, lower the engine and tighten the mount fasteners. Applying rubber preservative to the insulators can help slow deterioration.

Remove the bolts that go through the mount and into the transmission, then raise the transmission slightly using a jack. Remove the mount along with any shims, spacers, or brackets, and install the new mount. Lower the transmission and align the bolts before tightening all bolts to the specified torque.

To check the mounts, raise the engine slightly to remove the weight from them. Begin by raising the vehicle and securely supporting it on jackstands. Then, position a jack under the engine oil pan with a large block of wood between the jack head and the oil pan, carefully raising the engine just enough to relieve the weight on the mounts.

Engine mounts seldom require attention, but broken or deteriorated mounts should be replaced immediately to prevent damage or wear on the drive line components.

For replacement, detach the negative battery cable and remove the upper torque strut bracket bolt, ensuring the Theftlock audio system's lockout feature is off if applicable. Remove the torque strut-to-body mount bolts and the torque strut itself, then position the new torque strut and install the bolts, tightening them securely before reconnecting the negative battery cable.