Front Anti Roll Bar - Alfa Romeo Forum
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(Post Link) post #1 of 21 Old 04-03-19 Thread Starter
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Front Anti Roll Bar

Does anyone know correct part number for the 24 mm TI spec front Anti Roll Bar?
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Member car:

159ti 2.4JTDm

Wasn't aware they were different for the Ti, parts catalogue only lists 1 anti roll bar for all specs - this is the part no when looking at my 2.4 Ti - 50510813 might be different for whatever engine you have obvs.
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(Post Link) post #3 of 21 Old 06-03-19 Thread Starter
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TI spec have 24mm - all others 22mm
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159ti 2.4JTDm

According to my source, it's the same for all engines, regardless of spec:

https://alfa-romeo.7zap.com/en/159/x...4301s01+2-0/#4

Just looking for bushes and Powerflex do a 22 and 24mm so you may be right - might be worth a dealer enquiry
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(Post Link) post #5 of 21 Old 08-03-19 Thread Starter
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Decided on the 25mm Eibach Anti-Roll-Kit - Sports Stabiliser Bars
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Will the subframe need to be lowered / taken off to fit new front anti roll bar?

How about the rear?
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Quote:
Originally Posted by hdvp View Post
Will the subframe need to be lowered / taken off to fit new front anti roll bar?

How about the rear?
No but you might need to losn the steering rack.
on the rear you need to take down the mufflers.

It is a PITA to get the carriers removed from the bars as well. but it is a job worth doing. I have done it to my old and current, and I love it.
Just remember not to put it together dry.

And think of ned droplinks while you are at it.
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(Post Link) post #8 of 21 Old 15-03-19 Thread Starter
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Hi

Thanks for input. Feared the whole front subframe needed removal.

Already installed new droplinks.

Was now thinking replacing both front lower wishbone while at installing the Eibach Anti roll bar kit.
Might leave both jobs to a local garage.
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Quote:
Originally Posted by hdvp View Post
Hi

Thanks for input. Feared the whole front subframe needed removal.

Already installed new droplinks.

Was now thinking replacing both front lower wishbone while at installing the Eibach Anti roll bar kit.
Might leave both jobs to a local garage.
Unless they are bombed, it can be enough just to change the rear bushes.
Autolusso sells the rear bush carriers WITH powerflex installed.
I would advice that!

It can be done on the floor with a jack and stands, but it is better on a lift.
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(Post Link) post #10 of 21 Old 15-03-19 Thread Starter
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I'll replace both front lower wishbones using TRW parts. I don't need powerflex bushes.
My primary concern was if the front subframe needed removal, since that would not be easy without a lift.
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Quote:
Originally Posted by hdvp View Post
I'll replace both front lower wishbones using TRW parts. I don't need powerflex bushes.
My primary concern was if the front subframe needed removal, since that would not be easy without a lift.
The Powerflex bushes still a big improvement over new rubber bushes, we also have Eibach roll bars in stock

Ned
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(Post Link) post #12 of 21 Old 16-03-19 Thread Starter
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Knocking still there after new droplinks.
Is this normal?
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Yes that's normal...just the ball joint reaching the limit of its movement. Just as long as there is no up and down play them it's good. What I thought was drop link noise (there was slight movement in it) turned out to be wear in the upper wishbone ball joint...which only had barely perceptible play in it.
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I had that too. Barely perceptible play in the upper wishbone balljoint can cause quite a noticeable rattle.
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(Post Link) post #15 of 21 Old 18-03-19 Thread Starter
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I had new upper wisbones replaced recently since right side were squeeking badly.
After 2 month, just out of nowhere this knocking sound started. It's worse when driving slowly on rough surface. When at higher speeds there's nothing.
I then installed new Meyle HD droplinks, but no improvement.
Took the car to a garage for putting it on the lift, but the knocking sound is not to hear when on a lift.
All suspension parts seemed fine. It's strange.
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Quote:
Originally Posted by hdvp View Post
I had new upper wisbones replaced recently since right side were squeeking badly.
After 2 month, just out of nowhere this knocking sound started. It's worse when driving slowly on rough surface. When at higher speeds there's nothing.
I then installed new Meyle HD droplinks, but no improvement.
Took the car to a garage for putting it on the lift, but the knocking sound is not to hear when on a lift.
All suspension parts seemed fine. It's strange.
I cant hear then noise on my work computer, but when I had a sound which sounds similar to as you describe it was an upper arm ball joint. Replaced both sides with new Meyle HD upper arms and it was blissful silence

Did you fit the correct upper arm? there are two versions and they have different tapers on the ball joint thing bit so if yours is the wrong one then perhaps it has knackered the ball joint already.
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(Post Link) post #17 of 21 Old 18-03-19 Thread Starter
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I used these from TRW:

Mine is a 2009 Tbi

https://www.bildeleshop.dk/trw/2201833

Seems like correct part.

Last edited by hdvp; 16-04-19 at 05:32.
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(Post Link) post #18 of 21 Old 29-03-19 Thread Starter
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Do I use inner or outer holes for droplinks on the Eibach swaybars?
@Autolusso used outer holes at front when they did this car:
https://www.alfaowner.com/Forum/atta...6&d=1477408836

How about rear, and whats the big difference using inner vs outer holes?
My logic tells me outer holes are softest and for street use...

Last edited by hdvp; 29-03-19 at 19:32.
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(Post Link) post #19 of 21 Old 01-04-19 Thread Starter
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Got the rear Eibach Anti Roll Bar and new Meyle HD droplinks installed. Only had time for the rear this weekend.
Fairly easy job. No need to take down mufflers or anything. Had to grind of old droplinks, just as at the front. The bush carriers are pressed together and needs to be splitted, but it's doable. All in all a 2 hour job.

Installed droplinks in the outer most hole of the Anti Roll Bar (softest setting)
https://eibachshop.com/download/M40-10-005-01-11.PDF

Not much info about this in the manual so quoting Eibach for a 3 hole version

Quote:
(Outer) Softest Setting.
Reduces over-steer
Use in rain or on slick roads.
Use on rough or bumpy roads.
Increases comfort.

(Middle) Mid Setting / Street Performance Setting.
Tuning out under or over-steer.
For normal driving conditions.
Dry street driving.
Use with additional trunk weight.

(Inner) Firmest Setting.
Reduces under-steer
Use on dry roads and tracks.
Use on smooth roads and tracks.
Do not use on wet or slick roads
Installing the front (hopefully) next weekend.
Attached Images
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Last edited by hdvp; 01-04-19 at 05:55.
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(Post Link) post #20 of 21 Old 11-04-19 Thread Starter
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Front Eibach ARB installed.
Had to undo the 2 steering rack bolts (easy done from wheel well)
Then it's just possible to linger the old front ARB out.
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(Post Link) post #21 of 21 Old 16-04-19 Thread Starter
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Where to look next?

Some slight knocking is still there after changing:

Upper wishbones (TRW)
Lower wishbones (TRW)
Droplinks (Meyle HD)
Inner and outer track rod (TRW / Lemforder)
Anti Roll Bar (Eibach)

It's much, much less than before, however I can still hear some few light knocks sometimes when hitting small potholes at lower speed.
Any ideas what that could be?
Suspension is 10.000 km used. (Eibach/Bilstein B12)
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