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Lakewood · 11-06-2017, 08:16 AM

The engine mounts (No. 78-6038) have a central bolt which sandwiches the upper and lower rubbers together. When the nut is done up it compresses the rubbers and provides a certain amount of preload, I would like to know how this preload is measured.
Is there a prescribed torque for the nut? Is the nut done up finger tight then add say 4 turns?
If the nut is done up so the stepped shank on the bolt butts up against the large flat washer, the rubbers are compressed excessively!

11-06-2017, 08:16 AM	#1
Lakewood Junior Member Join Date: Jul 2017 Location: Parkinson 4115 QLD Australia Posts: 15	Engine mounts for 40 Deluxe The engine mounts (No. 78-6038) have a central bolt which sandwiches the upper and lower rubbers together. When the nut is done up it compresses the rubbers and provides a certain amount of preload, I would like to know how this preload is measured. Is there a prescribed torque for the nut? Is the nut done up finger tight then add say 4 turns? If the nut is done up so the stepped shank on the bolt butts up against the large flat washer, the rubbers are compressed excessively!