Putting front suspension together and

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backpain
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Putting front suspension together and

Post by backpain » Thu Jul 06, 2017 12:11 pm

The Trunnion on both sides have a small bolt at the back this is normal yes,,,, cheers john
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Re: Putting front suspension together and

Post by philhoward » Thu Jul 06, 2017 12:12 pm

Not seen that before?


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Re: Putting front suspension together and

Post by toolmanchris » Thu Jul 06, 2017 12:16 pm

Replacement for a grease nipple perhaps?


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Re: Putting front suspension together and

Post by AJL Electronics » Thu Jul 06, 2017 12:34 pm

But grease should not be put there, it is supposed to lock up rather than turn on the bolt.


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Re: Putting front suspension together and

Post by toolmanchris » Thu Jul 06, 2017 12:39 pm

Oops missed that I thought that was the threaded part ;-)
Is it a lock nut then perhaps?


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Re: Putting front suspension together and

Post by Roger Pennington » Thu Jul 06, 2017 12:40 pm

AJL Electronics wrote:But grease should not be put there, it is supposed to lock up rather than turn on the bolt.
Agreed, I can only guess that either

A. someone didn't know that, and mistakenly put in a nipple (now removed and blocked by the bolt)

or B. maybe someone thought they would leave the through-bolt loose (wrong) so that it was all floppy, but knew just enough to know that the bolt wasn't supposed to turn in the trunnion, so put in the extra bolt as an attempt at a locking grubscrew to stop the through-bolt turning in the trunnion?


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Re: Putting front suspension together and

Post by backpain » Thu Jul 06, 2017 1:14 pm

I got the car off toomanybits18 a couple of years ago now restoring. The car was first restored by an Ipswich motorsport company Lansbury Haywood fitted with a Scholar engine .Its been a pleasure to strip the car it was put together so well unlike the 5a I did a few years ago. So if bolts fitted by them they must have a good reason


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Re: Putting front suspension together and

Post by scmarf » Thu Jul 06, 2017 1:50 pm

Maybe everything locked up when the bolt was tightened (eg. sleeve a bit short + tends to happen when using the recommended torque which is very high) and the bolt didn't rotate with the trunnion. Solution: lock the bolt to the trunnion with an extra bolt. Not recommended though - how do you know the sleeve is rotating relative to the bushes as opposed to the bolt rotating in the sleeves? I stand by my policy of forgetting the torque figure and just making sure everything moves correctly. Then spit pin the nut.


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Re: Putting front suspension together and

Post by Roger Pennington » Thu Jul 06, 2017 3:54 pm

scmarf wrote:Maybe everything locked up when the bolt was tightened (eg. sleeve a bit short + tends to happen when using the recommended torque which is very high) and the bolt didn't rotate with the trunnion. Solution: lock the bolt to the trunnion with an extra bolt. Not recommended though - how do you know the sleeve is rotating relative to the bushes as opposed to the bolt rotating in the sleeves? I stand by my policy of forgetting the torque figure and just making sure everything moves correctly. Then spit pin the nut.
"Sleeve a bit short" implies the part is wrong - if you use the right parts it shouldn't be necessary to bodge it.

50 - 60 ft/lbs is not an unusual torque figure, bearing in mind it's a 9/16 UNF bolt. How loose do you leave your wheelnuts? (& they are "only" 1/2 UNF) :wink:


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Re: Putting front suspension together and

Post by scmarf » Fri Jul 07, 2017 12:00 am

[quote=]

50 - 60 ft/lbs is not an unusual torque figure, bearing in mind it's a 9/16 UNF bolt. How loose do you leave your wheelnuts? (& they are "only" 1/2 UNF) :wink:[/quote]

I don't have a split pin on my wheel nuts.

.. and yes, I always buy kits from the main dealers and I always have to sand down the flanges to the nylon top hats to stop them seizing solid when applying the correct torque (although I haven't done one for about 6 years so perhaps they are better now).


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Re: Putting front suspension together and

Post by willholderogri » Fri Jul 07, 2017 7:48 am

anybody found an easy way to remove a seized trunion bolt (that is my next job )


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Re: Putting front suspension together and

Post by toolmanchris » Fri Jul 07, 2017 8:04 am

I think I resorted to plus gas and brute force to be honest. Might try some heat applied to the trunnion but don't go mad as its a soft metal :wink:


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Re: Putting front suspension together and

Post by Coupe Racing » Fri Jul 07, 2017 8:28 am

willholderogri wrote:anybody found an easy way to remove a seized trunion bolt (that is my next job )
Cut between the trunion and wishbone
Then gently heat the trunion and press the remainder of the bolt out
By far the quickest way but appears drastic to start with


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Re: Putting front suspension together and

Post by derekoss » Fri Jul 07, 2017 10:01 am

Cutting either side of the trunnion is the best way to save the trunnion. Bolts are cheaper ! 1mm thick cutting discs on a small grinder works.

I've found some spacers to have had the ends de-burred to the extent they are pointed. The other issue I've found, more with poly ones, is the spacer internal diameter to be 14mm not 1/2".
Fortunately I have a lathe and just made new ones.

Derek



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Re: Putting front suspension together and

Post by willholderogri » Fri Jul 07, 2017 12:02 pm

sorry for hijacking the thread but thanks for the info
will


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