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Lower Trunnion

Posted: Mon Sep 22, 2008 1:36 pm
by d_harris
Cars come back from the MOT. Failed on a tiny patch of corrosion at the rear spring hanger (easy fix) and play in the lower side drivers trunnion.

Question is which way does the drivers side lower unthread? Just trying to see if I have a spare kicking around

Posted: Mon Sep 22, 2008 1:57 pm
by alex_holden
I hope it is the trunnion and not the swivel that's worn, given the ongoing supply situation... :-?

Posted: Mon Sep 22, 2008 2:03 pm
by bmcecosse
Driver side is rh thread- passenger side is lh thread.

Posted: Mon Sep 22, 2008 2:05 pm
by PSL184
Right hand side is right hand thread, left hand side is left hand thread....

Doh!!!! Beat me too it Roy :-)

Posted: Mon Sep 22, 2008 2:12 pm
by d_harris
alex_holden wrote:I hope it is the trunnion and not the swivel that's worn, given the ongoing supply situation... :-?
I have suitable spares anyway! :P

Posted: Mon Sep 22, 2008 2:14 pm
by bmcecosse
Change both!

Posted: Mon Sep 22, 2008 3:17 pm
by d_harris
Thats the idea we are coming round to. Its a lot of hard work this.

Any tips for getting the blasted thing removed, it seems really really tight, as does one thats not on the car!

Posted: Mon Sep 22, 2008 3:18 pm
by alex_holden
You need to take the cross-pin out before you can unscrew it from the swivel.

Posted: Mon Sep 22, 2008 3:19 pm
by d_harris
if you cant undo the bottom trunnion from the arm, is there an easy way to tell if its worn when on the bench?

Posted: Mon Sep 22, 2008 3:25 pm
by alex_holden
I wouldn't use it if it's so seized up you can't unscrew it. Try taking the grease nipple off and squirting plus gas in, heating it up with a blowtorch, and working it back and forth with a long lever.

Posted: Mon Sep 22, 2008 3:27 pm
by d_harris
alex_holden wrote:You need to take the cross-pin out before you can unscrew it from the swivel.
D'oh!

Posted: Mon Sep 22, 2008 4:56 pm
by bmcecosse
Seized up sounds good - at least it's not wobbling about loose. Heat and plus gas should get it going - then lashings of grease of course.

Posted: Mon Sep 22, 2008 5:32 pm
by d_harris
All done and back off to the test centre tomorrow morning. :D

Posted: Mon Sep 22, 2008 8:03 pm
by Matt
The swivel pin was pretty worn :(

Posted: Mon Sep 22, 2008 11:17 pm
by bmcecosse
Lucky escape then !

Posted: Tue Sep 23, 2008 1:18 pm
by Matt
Having a good 2nd hand unit in stock? Almost got enough spares to build another car kicking about!

Posted: Tue Sep 23, 2008 6:40 pm
by paulk
Well did it pass? 2nd time through.

Posted: Tue Sep 23, 2008 8:07 pm
by Matt
Im sure Dan will let you know on thurs ;) just bring a couple of quid with you :p