159 Undertray - Alfa Romeo Forum
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DAB
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Not Happy 159 Undertray

Help!
Has anyone ever taken the undetray (think that's what it's called) off of a 159?
I was washing my pride and joy, finishing off with a few deft brshstrokes around the engine bay when I dropped my wheel-cleaning brush into the black hole on the RH side of the engine (1.9 JTDm). Now no sign of it - looks like the only thing to do now is to crawl underneath and take the tray off.
Thanks
DAB
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Re: 159 Undertray

have you tried going forward slowly then brake if that doesnt work try the same in reverse it might be enough to bring the brush into view .
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Re: 159 Undertray

Funny that the AA man that came out to my 159 today said they are a pain cos if you drop any of your tools you just can't get them out
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Re: 159 Undertray

If you do take it off then make sure you put some copper grease on the bolts when you refit them ...
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Re: 159 Undertray

Thanks for the replies. I did take it for a spirited drive, including a few fast laps of a local roundabout and some stop-go stuff but no luck, it's still in there somewhere. Looks like that's next Saturday taken up!
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Re: 159 Undertray

Tray is not that difficult to remove once car is is raised and safely secured. Throw some Waxol on the sub-frame near where is bolted to the chassis while your under there. I noticed some minor paint cracks which it would appear happened when the bolts were being tightened, for caution I applied some Waxol where the paint had cracked. 159 built like a tank which you will also notice when the tray is removed.
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Re: 159 Undertray

Hi
This is a first for me,downsizing a photo....fingers crossed.I took a photo from my bedroom window whilst the undertray from my 2.2 JTS was off for an oil and air filter change.I took it because the location of the three different fixings was not that easy to remember!I've colour coded them as follows-
Red 2 x 13 mm hex bolts
Yellow 10 x Torx 30
Green 6 x Crosshead screws.
As 156Chris says,don't forget the copper grease and keep some grease or Waxoyl handy because like Nordic155, I found some rust on the leading edge of the front crossbeam despite it being built like a tank!
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Re: 159 Undertray

How many bolts
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Re: 159 Undertray

Twelve bolts, six screws for the 2.2JTS,.I use an empty Selenia Star tin to support the very meaty,substantial undertray on replacement(makes the 147/156 undertray like a floppy supermarket pizza wrapper.)Just be aware there are eight different undertrays,six ,without the Belgian and Polizia versions!I have no idea about their fixin's...
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Re: 159 Undertray

Eats, shoots and...sorry!Delete that apostrophe.....
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Re: 159 Undertray

Good work there Sir Baloney
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Re: 159 Undertray

Quote:
Originally Posted by DAB View Post
Help!
Has anyone ever taken the undetray (think that's what it's called) off of a 159?
I was washing my pride and joy, finishing off with a few deft brshstrokes around the engine bay when I dropped my wheel-cleaning brush into the black hole on the RH side of the engine (1.9 JTDm). Now no sign of it - looks like the only thing to do now is to crawl underneath and take the tray off.
Thanks
DAB
there is a plastic inspection cover behind the wheels on both sides, they are held on with 3 torx's screws, you can get to them with steering on full lock or take the wheel off, you may be able to shine a torch in and spot your brush...
http://i24.photobucket.com/albums/c2...arrowcover.jpg
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Re: 159 Undertray

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Originally Posted by Sir Baloney View Post
Twelve bolts, six screws for the 2.2JTS,.I use an empty Selenia Star tin to support the very meaty,substantial undertray on replacement(makes the 147/156 undertray like a floppy supermarket pizza wrapper.)Just be aware there are eight different undertrays,six ,without the Belgian and Polizia versions!I have no idea about their fixin's...
Sir Baloney.

What owuld the difference be with the Belgium versions then??
Only LH/RH drive version or something else?
Cheers
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Re: 159 Undertray

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Originally Posted by nigelread View Post
Funny that the AA man that came out to my 159 today said they are a pain cos if you drop any of your tools you just can't get them out
What was up Nigel ? Nothing serious I hope

Nick
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Re: 159 Undertray

I have replaced one, it doesnt take more than 10 minutes if you have the right tools to hand, pretty easy, just get the coppaslip ready.
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Re: 159 Undertray

Took my Dec 56 plate 159 for a service -not a dealership - and couldn't shift the undertray bolts. Need drilling out and just to change air filter!!!! Must heve been well tightened last time!!
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(Post Link) post #17 of 36 Old 20-01-09 Thread Starter
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Re: 159 Undertray

Many thanks for all the advice - espesh the pic Sir Baloney - really helpful.
I'll let you know how I get on this weekend.
No doubt it'll be ****in down by then.
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(Post Link) post #18 of 36 Old 26-01-09 Thread Starter
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Re: 159 Undertray

Update about the brush, I managed to loosen the undertray without taking it completely off, spotted where the brush was then took the r/h side inspection plate off and fished the offending brush out.
Not even a skinned knuckle! Many thanks to all who replied.
Oh, yes then I put it all back together....
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Re: 159 Undertray

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Originally Posted by Sir Baloney View Post
I took a photo from my bedroom window whilst the undertray from my 2.2 JTS was off for an oil and air filter change.
Do I assume that this undertray MUST come off for an oil filter change then? I plan to do this in the next few days (minus the oil quality sensor reset) on my 2.4JTDm since I refuse to pay the dealer prices (160) for the pleasure. I had not yet looked to see where the jolly oil filter is sitting. Can that only be reached from below by removing the tray then?
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Re: 159 Undertray

the oil filter is somewhere on the top on the engine, you can reach it only by opening the hood.
you have to remove the undertray to drain the oil.
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Re: 159 Undertray

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Originally Posted by toshy View Post
the oil filter is somewhere on the top on the engine, you can reach it only by opening the hood.
you have to remove the undertray to drain the oil.
Or you can buy one of those devices that sucks the oil out of the dip stick holder .... that way there isn't the potential for damaging the sump plug ...
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Re: 159 Undertray

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Originally Posted by toshy View Post
the oil filter is somewhere on the top on the engine, you can reach it only by opening the hood.
you have to remove the undertray to drain the oil.
Thanks for the advice. My only question now is which one of the two cylindical components sitting behind my engine is the filter and how easy is it to get the filter out? I made another post on the 159 oil warning sensor thread but any advice hear also appreciated.
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Re: 159 Undertray

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...My only question now is which one of the two cylindical components sitting behind my engine is the filter...
Don't worry, I've sussed it out. It's the one on the left with the large hex head.
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Does anyone know the part number for the under tray on a 2.0jdtm sport wagon ti? It was missing when I bought and I want to replace but dont want to end up with the wrong one from breakers? Unless someone has one?
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Its not that clear, to me anyway.

Under tray.pdf

It looks like Item 1 part No. 50514002, but make sure you check

You have all the part numbers so you can double check them with your supplier.
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