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+--- Thread: Bolt sizes (/showthread.php?tid=348)
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Bolt sizes - _freak_ - 04-06-2016
Hi all
Can anyone give me the bolt sizes used and the list of all bolts used on Mini
Or where can i look for this info?
RE: Bolt sizes - minitim - 04-06-2016
Here you go,
MINI BOLTS
Timing Cover
5 x Bolts Cap Head 5/16"UNF (3/4" Long)
6 x Bolts Cap Head 1/4"UNF (7/16" Long)
5 x Washers 5/16"PLN (5/8" OD)
5 x Washers 5/16"SPR (1/2" OD)
6 x Washers 1/4"PLN (9/16" OD)
6 x Washers 1/4"SPR (7/16" OD)
1 x Nut 5/16"UNF (1/2" Head)
1 x Nut 1/4"UNF (7/16" Head)
Coolant Circuit
2 x Bolts Heater Tap 1/4" UNF (7/16" Head, 1/2" Long)
2 x Washers Heater Tap 1/4" SPR (3/8" OD)
2 x Bolts Radiator Top 1/4" UNF (7/16" Head, 1 1/2" Long)
2 x Washers Radiator Top 1/4"PLN (9/16" OD)
2 x Bolts (Water Pump) 5/16"UNF (1/2" Head, 2" Long)
2 x Bolts (Water Pump) 5/16"UNF (1/2" Head, 1" Long)
4 x Washers (Water Pump) 5/16"PLN (5/8" OD)
4 x Washers (Water Pump) 5/16"SPR (1/2" OD)
Thermostat (Short)
3 x Bolts 5/16 UNC (1/2" Head, 1 1/2" Long)
3 x Washers 5/16" SPR (1/2" OD)
Engine Electrical
2 x Bolts (Alt' top) 5/16"UNF (1/2" Head, 2" Long)
1 x Bolt (Alt' Bottom) M8x20
1 x Nut (Alt' Bottom) mate NyLoc
4 x Washers (Alternator) 5/16"PLN (5/8" OD)
4 x Washers (Alternator) 5/16"SPR (1/2" OD)
2 x Nuts (Alternator) 5/16"UNF (1/2" Head)
2 x Bolts Starter Motor 3/8"UNC (9/16" Head, 1 1/4" Long)
2 x Washers Starter motor 3/8"SPR (5/16" OD)
1 x Bolt (A+ Distributor) 5/16" UNF (1/2" Head, 3/4" Long)
Clutch Slave (Non verto)
2 x Bolts (Cyl Mount) 3/8"UNC (9/16" Head, 1" Long)
2 x Washers (Cyl Mount) 3/8"SPR (5/8" OD)
1 x Bolt (Arm Stop) 1/4"UNF (7/16" Head, 1" Long)
1 x Lock Nut (Arm Stop) 1/4"UNF (7/16" Head)
Clutch Cover
8 x Bolts 5/16"UNC (1/2" Head, 1" Long)
8 x Washers 5/16"SPR (1/2" OD)
8 x Washers 5/16"PLN (5/8" OD)
Tappet Chest
2 x Bolts 5/16" UNF (1/2" Head, 1 1/4" long)
2 x Washers 5/16 PLN (5/8" OD)
Pre A+ Distributor Drive
1x Bolt 1/4"UNF (7/16" Head, 3/4" long)
1x Washer 1/4"SPR (3/8" OD)
Fuel Pump
2 x Bolt 5/16" UNC (1/2 Head , 1 1/2"long)
2 x Washers 5/16" SPR (1/2" OD)
2 x Washers 5/16" PLN (5/8" OD)
Oil Filter Housing
2 x Bolt 3/8" UNC (9/16" Head, 1" Long)
2 x Washers 3/8" SPR
2 x Washers 3/8"PLN (15/16" OD)
Manifold Bolts
6 x Bolt 5/16 UNF (1" Long)
6 x Washers 5/16" SPR (1/2" OD)
6 x Washers 5/16" PLN (5/8" OD)
Can the admin's please move this up to the Important section. Sure others would like to use this for reference as well.
RE: Bolt sizes - Boyscout - 04-06-2016
Nice one Minitim!
the closest I could get was this http://www.ukclassicparts.com/mini-spare-parts-and-accessories/nuts-bolts-fixings/
RE: Bolt sizes - _freak_ - 04-06-2016
Thanks indeed!
Any sizes on what the Subframes use?
RE: Bolt sizes - minitim - 04-06-2016
Subframe uses 10 bolts to mount to the body.
4 long ones in engine bay
4 short ones from inside the car
5/16 UNF X 3/4
Front subframe rear mounting
2 short ones through the front valence
Will see if I can track down the sizes
RE: Bolt sizes - GTSPhil - 04-06-2016
The 4 tower bolts have part number 21A90 and are 3/8 UNF x 4 3/8 long for dry suspension cars.
The two front mountings are 5/16 UNF x 1 part number SH605081
RE: Bolt sizes - _freak_ - 04-07-2016
(04-06-2016, 05:57 PM)GTSPhil Wrote: The 4 tower bolts have part number 21A90 and are 3/8 UNF x 4 3/8 long for dry suspension cars.
The two front mountings are 5/16 UNF x 1 part number SH605081
This is waht I could gather for the Front Subframe
2 of
M8 x 30 bolt
M8 Spring washer
M8 Nut
4 of
M8 x 20 bolt
M8 Spring washer
M8 Nut
4 of
M8 x 110 Bolt
M8 Spring washer
RE: Bolt sizes - minitim - 04-07-2016
The important ones are the tower bolts that are UNF, as these fasten to the subframe captive plates.
The rest can be metric if you prefer.
RE: Bolt sizes - GTSPhil - 04-07-2016
Guys
Please do me a favour, for the same effort and will etc to go and buy metric bolts and fit them, please just fit the correct imperial bolt and or nut and keep the car as far possible correct.
Now the new owner will have a hard time figuring out what bolts and nuts was used if you mix and match.
Do not get me wrong as I do understand that like the front mounting bolts and the bolts through the floor will not matter if metric, but do not go and force metric bolts into the tower mounting plates. I have had to fix too many threads that have been fu++ed up due to incorrect bolts and nuts being fitted. Having recently gone through the same exercise of fitting helicoils due to metric bolts being forced to into the hubs,where the calipers mount.
RE: Bolt sizes - _freak_ - 04-26-2016
Hi
Could anyone source a complete bolt and nut list yet?