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tholyoak · 02-03-2009, 05:02 PM

Actually, all four mounting bolts are present on both engines, it is the cap screw to the right of your finger in the second photo. The old boxster engine mount on your 986 motor simply doesn't have the fourth mounting position. The first update of the mount many years ago was to add the fourth mounting position. I would recommend updating the front mount to the newest mount and use all four mounting points while you have things apart.

Also there are 4 mounting points on the 996 mount. Remove the stud of the one to the upper right in the photo and replace it with the cap screw at the same position on the front of the boxster motor. As you already found out the mounting studs on the 996 motor must be removed and you use the boxster mounting bolts.

It is too late now but you don't need to break open the AC system to remove the motor, just remove the compressor from the motor, that way recharging the system isn't necessary.
Have fun.

-Todd

02-03-2009, 05:02 PM	#13
tholyoak Registered User Join Date: Jan 2006 Location: Glen Allen, ON Posts: 314	Actually, all four mounting bolts are present on both engines, it is the cap screw to the right of your finger in the second photo. The old boxster engine mount on your 986 motor simply doesn't have the fourth mounting position. The first update of the mount many years ago was to add the fourth mounting position. I would recommend updating the front mount to the newest mount and use all four mounting points while you have things apart. Also there are 4 mounting points on the 996 mount. Remove the stud of the one to the upper right in the photo and replace it with the cap screw at the same position on the front of the boxster motor. As you already found out the mounting studs on the 996 motor must be removed and you use the boxster mounting bolts. It is too late now but you don't need to break open the AC system to remove the motor, just remove the compressor from the motor, that way recharging the system isn't necessary. Have fun. -Todd __________________ Current Cars: 1989 911 Targa 1984 944 Original Owner 1971 911T Last edited by tholyoak; 02-03-2009 at 05:05 PM.