SERVICE INFORMATION A two-piece design front engine mount is currently being used for the applied vehicles listed. A single thunk noise may be heard on the first acceleration of the day from this type of mount and is considered normal operation. The mount has also been designed with built in free-play that is normal. Under normal driving conditions: * A "thunk" noise may be heard on the first acceleration of the day. And * Does not occur again, or at any other time. DO NOT REPLACE THE MOUNT: * If it has free play or a "single event" thunk sound on the first acceleration of the day. This is considered a normal characteristic of this type of engine mount. * If a shift shock condition is present when shifting from park into gear or between any combination of gears. This condition is due to transmissions line pressures and not movement of the mount. NOTE: Refer to the Electronic Service Manual section TM - Transaxle & Transmission for further diagnostic information on shift shock. See this bulletin for further details.
