Installing Koni's tomorrow... Advice/torque specs - Mazda3 Forums : The #1 Mazda 3 Forum
 
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post #1 of 4 (permalink) Old 04-02-2011, 03:13 PM Thread Starter
Bicycle Rider
 
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Installing Koni's tomorrow... Advice/torque specs

I am installing Koni Yellow's tomorrow on my 2009 3s. Looking for tips/advice from those who have done it before... Using stock springs, etc...

Does anyone know the torque specs from the FSM for the major nuts/bolts?

I am also bleeding the brakes and installing new pads/fluid.

Thanks!
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post #2 of 4 (permalink) Old 04-02-2011, 03:33 PM
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Re: Installing Koni's tomorrow... Advice/torque specs

The main thing to watch out for, is that the 3 upper strut mount bolts (that you torque from within the engine bay on the strut towers) are only 25-30 ft/lbs -- a few people (including me) have snapped one of those assuming it would be higher toque there. All the big lower bolts, I don't use a torque wrench on, just get as tight as reasonably possible with either an impact or a quick little extra push with a breaker bar.

When swapping out the stock springs, make sure you get them completely unloaded with a spring compressor before taking of the upper mounts, or else the upper mounts have a lovely tendency to pop open and spill bearings everywhere. Not fun to clean up, regrease, and put back together right. A lot of people end up buying a new upper mount bearing assembly instead when that happens. That's really the only thing to watch out for.


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post #3 of 4 (permalink) Old 04-02-2011, 03:36 PM
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Re: Installing Koni's tomorrow... Advice/torque specs

80 nm for all the rear 17mm bolts (the one for the spring seat and the one for the rear shock absorber base)
50 nm for the sway bar end links
25 nm for the nuts two nuts that hold the rear top strut mount in
20 nm for the three bolts that hold the top of the strut mount in the front (the ones inside the engine bay)
65 nm for the center nut (the one that is on-top the shock piston)
60 nm for the one that hole in the back of the sleeve that houses the bottom of the shock
50 nm for front sway end link

if you doing rear camber arms those are 100 nm

lemme know if I missed any but I think that should be all
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post #4 of 4 (permalink) Old 04-03-2011, 10:00 PM
Moped Rider
 
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Re: Installing Koni's tomorrow... Advice/torque specs

I had to go back in and tighten the rear lower shock bolts past the torque spec. This was on FSD's. Apparently the shock is a little narrower than the mount and you might develop a pop / clunk over time.

The fronts weren't that bad - getting the old ones out of the knuckle was the tough part for me. I pushed down with a pry bar and tapped on the top of the knuckle at the same time to loosen them. Just take your time...

Edit - of course by now, you probably know all this...

1997 Neon ACR - FWD Autocross Weapon
2006 Mazda 3 - Family Truckster
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