Mopar 4578044AD Support-Engine Support

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There are three power train mounts; left and right engine mounts attached to the engine block and to the subframe and a rear mount attached to the transmission and the subframe. 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. Remove the front wheels and tires. Position two jacks, one under the crank-shaft pulley and the other under the transmission bell housing. Place a block of wood between the jack head and the crankshaft pulley or bellhousing, then carefully raise the engine/transmission just enough to take the weight off the mounts. Check the mounts to see if the rubber is cracked, hardened or separated from the metal plates. Sometimes the rubber will split right down the center. Check for relative movement between the mount plates and the engine or subframe (use a large screwdriver or pry bar to attempt to move the mounts). If movement is noted, lower the engine and tighten the mount fasteners. Rubber preservative should be applied to the mounts to slow deterioration. Disconnect the cable from the negative terminal of the battery then raise the vehicle and support it securely on jack stands. Remove the middle engine splash shield. Remove the nuts holding the engine mounts to the sub frame. Raise the engine with a jack and block of wood under the oil pan until the engine mount studs clear the engine bracket and the sub frame. Remove the engine mount heat shield. Remove the bolts holding the engine mount to the frame. Remove the engine mount and replace it with the new one. Tighten the upper bolts to the torque. Lower the engine and install the engine mount nuts and torque them to the specifications.

After raising the vehicle and securing it on jackstands, remove the front wheels and tires.

There are three powertrain mounts in this system. There are left and right engine mounts attached to the engine block and the subframe, and a rear mount attached to the transmission and the frame.

To raise the engine slightly during the check, a jack is positioned under the engine oil pan, and a large wood block is placed between the jack head and the oil pan.

There are three powertrain mounts in this system. There are left and right engine mounts attached to the engine block and the subframe, and a rear mount attached to the transmission and the frame.

Check the mounts to see if the rubber is cracked, hardened, or separated from the metal plates. Look for any signs of damage, such as splits in the rubber. Check for relative movement between the mount plates and the engine or subframe using a large screwdriver or pry bar to attempt to move the mounts.