Toyota 12371-0P020 Insulator, Engine Mounting, Rear

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Engine mounts seldom require attention, but broken or deteriorated mounts should be replaced immediately to prevent damage or wear on driveline components. During the check, the engine must be raised slightly to remove the weight from the mounts. Raise the vehicle and support it securely on jackstands, positioning a jack under the engine oil pan with a large wood block between the jack head and the oil pan, then carefully raise the engine just enough to take the weight off the mounts, avoiding placement of the wood block under the drain plug. Inspect the mounts for cracked, hardened rubber or separation from the metal plates, noting that the rubber may split down the center. Check for relative movement between the mount plates and the engine or frame using a large screwdriver or pry bar; if movement is noted, lower the engine and tighten the mount fasteners. Applying rubber preservative can help slow deterioration. To replace a mount, disconnect the cable from the negative battery terminal, raise the vehicle, and support it securely on jackstands if not already done, then support the engine. Remove the fasteners, raise the engine, and detach the mount for removal. Installation is the reverse of removal, using thread locking compound on the mount bolts or nuts and ensuring they are tightened securely.

To remove an engine mount, remove the fasteners, raise the engine, and detach the mount. The engine can be raised with an engine hoist or with a floor jack and wood block placed under the oil pan. Note that even if only one mount is being replaced, you should remove the mount-to-engine bracket nut from the other mount to allow the engine to be raised far enough for mount removal.