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Discussion Starter #1
I've noticed a lot of body flex on my brothers 155. The car feels like its flexing with draughts blowing through the top of the front doors on uneven surfaces. Is this normal on 155's as I heard FIAT Croma's have a similar problem?

He's thinking of fitting a strut brace in the hope that it may reduce any flexing at the front from being transferred through the rest of the shell. Are these actually worth it on a road car or are they just a pose for McDonalds car park specials? Short of fitting a weld-in FIA roll cage, I can't think of anything else.
 
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Discussion Starter #2
Does it have a sunroof? My twinny suffers from the odd little squeak but the V6 (no sunroof) doesn't.

If there are gaps on the doors they probably need refitting. Try altering the door catch plate to make the door shut tighter.

wrinx
 
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Discussion Starter #3
They seem to have a fair bit of flex (unless it's a silverstone or have no ski hatch or drop down seats. But that sounds bad.. if it's had uprated suspension during it's life it could be a crack somewhere. What's it like when it's jacked up at each corner & opening each door?

As for the strut brace.. I guess you need to make sure there isn't anything else amiss first since all it'll do is transfer the stress from one place to another.

A
 
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Discussion Starter #4
It has the sunroof but I'm not too sure if its original. The switch is just stuck there on the headlining between the interior mirror and the roof opening. Don't know if thats the way they are supposed to be but it looks a bit too amateur for my liking. It also has the ski hatch but not the folding seats (I think).

We have checked the car underneath on a ramp for accident damage, as my first thought was that it may be a cut n shut.

The car is a TS 16v and has the sportpack suspension with 16in Speedlines but I'm pretty sure they've been on the car since new.

The reason I'm asking all this is because I'd prefer to sort the problem at source rather than chuck accessories at it in the hope it will solve it. We'll jack the car up and check for twisting but I think we'll also drive over cobbles and see if we can trace it?

Are there any particular weak places where cracks are likely?
 
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Discussion Starter #5
The sunroof switches in my twinny (1996) are on the same bit of plastic with the interior and map reading light.

155's do not have a folding rear seat.

I've not heard (from this forum) of any cracks or known body weaknesses except the creaking you've mentioned. When jacking up the twinny I used to find the doors wouldn't close properly!!!

Check the front and back wings for differences in sealant or paint over-spray on other panels. Another good place to check is the boot floor if you think it may have been in a smash.

wrinx
 
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Discussion Starter #6
Are there any strange clunks as you drive around? It could be something (relativly) simply like a loose part - cross member or lower subframe?
 
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Discussion Starter #7
"The sunroof switches in my twinny (1996) are on the same bit of plastic with the interior and map reading light."

In that case, its definitely not original. The switch itself looks like the Alfa window switches, though like I said, its just stuck there on the headlining. He found a leaflet in the car last night and the sunroof was made by a company called Vermeulen Hollandia. Presumably, the Alfa sunroof has some strengthening in the roof that this one doesn't.

Theres no clunks or anything, just draughts through the top of the doors like someone is pulling at the seals. We going to drive the car over an uneven road sometime this week and listen for any noises, maybe it can be traced. I'm a bit paranoid about jacking a car with the doors open anyway.
 

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This does not sound right to me. I have a 2.0 16v with a sunroof. Due to damaged wheels (mentioned elswhere) I have been jacking the car up a lot recently and was impressed with the shell stiffness as when raising the back the front end starts to lift as well. I have the Sportspack fitted incidentally. How are the tyres wearing? That may be an indication if the shell is flexing excessively (assuming the tracking is OK).

Phil
 
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Discussion Starter #9
I jacked up my V6 yesterday from the front wishbone mounting and the rear wheel also came off the ground (this may be due to large anti-roll bar as much as shell stiffness, though). The front door opened with no problem but I didn't try the rear one.

What's different about the Silverstone shell, by the way? Does it have sheet metal behind the rear seat? Or bracing?

Ian
 
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Discussion Starter #10
I'm actually going to see a car this afternoon at a specialist. I'm going to suggest to my brother that he books the car in for a full check up, just to make sure everything is as it should be.
 
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