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  #1  
Old November 4th, 2011, 02:38 PM
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Charles Galpin
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Suspension bolt list

I'd like to put together list of all nuts and bolts needed when doing a suspension refresh or upgrade, both for my own immediate needs, but to add it to the site so it will hopefully help others when their time comes. It seems crazy that this hasn't been documented before.

Here is what I think I need front to rear, all grade 8.

Panhard rod bushing ends - 2 x M14 x 80mm bolt with nylon insert nuts
Front bottom spring retaining bolts - 4 x 3/8" x 1" bolt with nylon insert nuts
Front radius arm bushing to axle - 4 x M16 x 100mm (5/8" x 4") bolt with nylon insert nuts
Front radius arm big nut - ??
Rear trailing arm big nut - ??
Rear trailing arm bushing to axle - 2 x M16 x 100mm (5/8" x 4") bolt with nylon insert nuts
Rear bottom spring retaining bolts - 4 x 3/8" x 1" bolt with nylon insert nuts
A-arm bushing to frame - 2 x M20 x 100 mm (3/4" x 4") bolt with nylon insert nuts
A-arm arms to center block - ??

Please let me know if you know the missing ones, or disagree on any of these.

thanks,
charles
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  #2  
Old November 4th, 2011, 03:23 PM
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barry f
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Since you are doing this I have a question, is it possible to change front shocks without removing the springs?
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Old November 4th, 2011, 03:26 PM
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Charles Galpin
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I guess you could remove the shock tower cover, shock tower bolts, and the shock mounting bolts and remove the shock up via the engine compartment.

But let's keep this on topic. This thread is about bolt sizes!
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Old November 4th, 2011, 03:27 PM
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barry f
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Fine so the answer is no.
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Are there shocks that I can addjust up and down like my friends LX460? That would be very cool!
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Old November 4th, 2011, 03:30 PM
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I just explained how to do it. How did you translate that into a no?
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Old November 4th, 2011, 05:09 PM
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barry f
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Too much crap in the way
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Are there shocks that I can addjust up and down like my friends LX460? That would be very cool!
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  #7  
Old November 4th, 2011, 05:14 PM
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Charles Galpin
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Yes on mine one side is way too hard to get at - i didn't even remove the cover to get the shock out. I thought maybe you didn't want to remove the two retaining bolts or something (that's all that is holding your spring in other than the shock)
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  #8  
Old November 4th, 2011, 05:18 PM
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barry f
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Do I need a compressor?
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Are there shocks that I can addjust up and down like my friends LX460? That would be very cool!
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  #9  
Old November 4th, 2011, 05:21 PM
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Yes, but not for this job.
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Old November 4th, 2011, 05:50 PM
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Don't know if this will help but this is what you get when you order RN Genuine Suspension Busing Kits

RNK5915 Rear:

2 NY612042 - Nyloc Nut 3/4" UNF
2 NTC1772 - Bushing Bottom Link Rear
2 NTC1773 - Bushing Top Link ASSM
1 STC618 - Bushing Kit Trailing Link
2 NY120046 - Nyloc Nut M20
6 FS110306 - Bolt M10 x 30mm
6 NY110047L - Nyloc Nut M10
2 NY610041L - Nyloc Nut 5/8" UNF
2 BH610321L - Bolt 5/8" UNF
2 BH612321 - Bolt 3/4" x 4"


RNK 5916 Front:

2 ANR3410 - Panhard Bushing
4 NRC4514 - Bush Rear of Front Radius Arm
4 BH116207 - Bolt M16 x 100mm
4 NTC6781 - Bushing Radius Arm Front
2 NY120046 - Nyloc Nut M20
2 BH114167 - Bolt M14 x 80mm
4 NY116051L - Nyloc Nut M16
2 NV114047 - Self Locking Nut M14

1 STC8008 - Lucas 5hp Air Compressor
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  #11  
Old November 4th, 2011, 06:39 PM
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LOL. Yes this is a good list thanks. I went and ordered the standard versions since I wanted to get my order in and I didn't see any large metric grade 8 bolts on mcmaster (a quick look mind you). Hopefully they will work fine and I'll report back either way.
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Old November 4th, 2011, 06:59 PM
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As a side note, I have found that Ace Hardware carries grade 8 in stock (at least the one near my parents house). Not sure how prices compares to McMaster, but if you need something on the quick then head to Ace. I spent about $40 for all nuts/bolts/washers for an SD type rack, with several to keep as spares. I wish I never sold my 90.
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Old November 4th, 2011, 07:33 PM
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I might be wrong, but I think for metric you want grade 10.9, which is the equivalent of SAE grade 8. Is this correct? I did some suspension work recently and went with metric 10.9.
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Old November 4th, 2011, 07:34 PM
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I hate to highjack but I had no issues doing the front shocks on my Defender?
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Old November 4th, 2011, 09:40 PM
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Quote:
Originally Posted by cgalpin View Post
I didn't see any large metric grade 8 bolts
That's because metric don't come in grade 8. Metric are generally class 8.8 or 10.9.
IIRC the nut on the end of the radius and trailing arms are 30mm and the A-arm to top link are 1/2" by something long. I have everything in the garage and will check tomorrow if no one has posted them.
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  #16  
Old November 4th, 2011, 10:39 PM
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Take in consideration that some of the metric bolts have the finer thread.
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Old November 4th, 2011, 11:27 PM
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Quote:
Originally Posted by rover4x4 View Post
I hate to highjack but I had no issues doing the front shocks on my Defender?
Barry took it downhill already. No problem, we can make a new post or get it into the tech FAQ or substitute parts list.

I didn't have any issues either, but remember this is Barry asking. Why he's concerned about removing the spring is beyond me. He asked if it could be done and believe it can, although I wouldn't
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Old November 5th, 2011, 12:10 AM
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Oh I am not concerned but I was just curious if it could be done without removing the springs. When I did my 110 I replaced both but was trying to think if it was possible not to remove the springs. Sorry back on target
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  #19  
Old November 5th, 2011, 02:46 PM
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Keep in mind that on some bolts, the actual threaded part of the shaft is longer than others. I can't remember which bolt I had trouble with because of this, but there was one I had to buy longer to get the correct clean shaft and cut the bolt. It could have just been the brand of bolts that McGuckins carried though--I thought it was the pan hard rod bolt that I had difficulty with... worth checking for you. You need to make sure that only the bare, non-threaded part of the bolt is what is in contact with any bushing and hangers.
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Old November 5th, 2011, 09:38 PM
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Yes you can remove shocks without doing springs. /end hijack
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