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Torque for subframe mount bolts https://www.ausmini.com/forums/viewtopic.php?f=2&t=63793 |
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Author: | Mearcat [ Thu Jun 17, 2010 5:45 pm ] |
Post subject: | Torque for subframe mount bolts |
I'd like to know what torque settings should be used for the subframe mount bolts/nuts (if there is any specific settings) for 1978 Clubman Front subframe : Tower nuts (for pair of tower bolts) Front bolt/nuts Rear Subframe : Bolts into heelboard Bolts through floorpan Also, I need to replace all the bolts so should all these bolts be high tensile? Thanks. |
Author: | GT mowog [ Thu Jun 17, 2010 6:00 pm ] |
Post subject: | |
The Tower Nuts should be nylocs so they should be tight, they cannot be set with a torque wrench. All other Nuts/ Bolts for the front subframe should be 18-20 ft/lbs. All rear Subframe to Body bolts and nut / bolt sets are also 18 - 20 ft/lbs. I've never bothered to torque them, just make sure they are adequately done up. The original fasteners were Grade 5 tensile (3 straight lines on the bolt heads) and these are fine. |
Author: | greyghost [ Thu Jun 17, 2010 6:16 pm ] |
Post subject: | |
GT mowog wrote: The Tower Nuts should be nylocs so they should be tight.
according to who? the ones on my car are definitely not nylocs, they are standard nuts with a steel locking "tab" that goes underneath. and the subframe has never been out of the car. however it is an early mini, the later ones might have changed to nylocs. i couldn't tell you for certain though, as i don't own any wind-up window minis. |
Author: | GT mowog [ Thu Jun 17, 2010 6:21 pm ] |
Post subject: | |
greyghost wrote: GT mowog wrote: The Tower Nuts should be nylocs so they should be tight. according to who? the ones on my car are definitely not nylocs, they are standard nuts with a steel locking "tab" that goes underneath. and the subframe has never been out of the car. however it is an early mini, the later ones might have changed to nylocs. i couldn't tell you for certain though, as i don't own any wind-up window minis. According to Leyland. Yes early cars were fitted with normal nuts and these would have been torqued to 18 - 20 ft lbs. I don't know exactly when they changed to nylocs. The sheet metal thingy they put under these nuts has locktabs for the early cars. <EDIT> There was also a brief time when Bolts were used in the towers in the Oz assembled Minis |
Author: | VulcanBB18 [ Thu Jun 17, 2010 6:55 pm ] |
Post subject: | |
I've had cars with all three varieties, the nylocs are the easiest IMHO cheers Jacob |
Author: | drmini in aust [ Thu Jun 17, 2010 7:24 pm ] |
Post subject: | |
re the 4 rear ones in the floor, I found they tend to come loose on my road car (even with new spring washers), and I got sick of retightening them. They now have locknuts on em. I guess putting nylocs there would work too. |
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