156 1.8ts mot fail - Alfa Romeo Forum
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(Post Link) post #1 of 4 Old 02-06-09 Thread Starter
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Alfa 156 1.8T

Wave 156 1.8ts mot fail

Just got my car back from its MOT, knew there would be a few things wrong with it. The list includes both front upper suspension arms to be replaced and the front right ABS Sensor also to be replaced.

If anyone can give me info on how easy it is to replace these items myself and what tools and kit I would need to do so, would be greatly appreciated seeing as the guy who did the MOT said he wouldnt be able to do the work required anytime soon!
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At least you know he didn't fail the car just to get some work from you!

Shouldn't be too hard. A 19mm (I think) nut and bolt at the top of the arms, and a 17mm nut at the ball-joint to undo. You'll need a ball-joint splitter to get it off.

ABS sensor is just held on by one small bolt (possibly an allan key...can't remember). It *might* be stuck and snap off, in which case you'll need something like a drill and a screw extractor to pull it out.


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the abs sesnor is trypicall held inn place by a 10mm headed bolt, which will most likely snap off.

the sensor itself varies from £30 to £60 depending on age of car.

the wire from the sensor goes up into the wheel arch, so the wheel & arch lining will need to be removed, & then the wire disappears up thro the wing & back out at the top of the suspension to a whit eor black connector.

tie a string to the old one when pulling it out

upper wishbones:

wheel off, open the 'long' bolt thro the lower wishbone [ 19mm ] then open the 177nut & split the ball joint, also open the 17mm drop link [ you may need to jack up BOTH wheels to take the weight/strain off the arb ] & then the 4 17mm nuts on top.

the upper wishbone is connected to a bracket which will be held to the 2 bolts on the strut by TWO O-RINGs ....t hes eo-rings need to be rolled off the bolts before you cna seperate the 2 parts.

the very long bolt thro the wishbones [ 17mm ] can be removed with the wishbone off the car, just rem the correct orination of the head [ spring ] side

use copper grease on moving parts
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Car on axle stands, wheels off.

Undo top a/r bar droplink ... you may as well replace these at the same time as they will probably be shot if the upper wishbones are. If you are doing both wishbones, disconnect both side of the a/r bar links first (easier). If the originals you will need a torx socket and 17mm ring/ratchet spanner.

Remove nut and split upper ball joint.

Remove lower fork bolt through lower arm bush and support strut on jack.

Undo four top strut mounting nuts and lower strut onto drive shaft as far as it will go.

Wiggle the upper wishbone and mounting up off the strut mounting bolts and twist the lot to remove from the wheel arch.

Undo and remove the mounting bolt. Replace the arm and mounting bolt: grease the through bolt well as this is where the squeaks come from.

Replace the upper mounting by wiggling back into position, slowly jack up the strut taking care with the mounting bolts. It's easy to damage the threads if you catch them on the body shell. Replace the nuts (you should replace any nylok nut with a new one!), replace the fork bolt and washers.

Repeat on other side and finally replace droplinks.

Job done ... apart from a congratulatory beer!

Note on droplinks: If Alfa parts, these do NOT come with nuts generally. You will need four and if from Alfa dealer, get the ones with yellow nylok inserts as there are two types. Part no 15505821. Some links have different threads at each end, so make sure the same nut fits both otherwise you may need 2x 12577211 as well. Pattern droplinks usually come with nuts and don't have the torx splines but have a flat on the side of the ball joint to hold it steady when tightening/removing.

cheers, Gary

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Last edited by gazza82; 02-06-09 at 10:34.
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