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-   -   740 Front Crossmember Cracks (http://d24t.com/showthread.php?t=978)

R.Mojica 06-02-2013 05:53 PM

just picked up an 85 745 TD. this is one of the 1st things ill look at

RedArrow 06-09-2013 11:48 AM

`Crossmember day`
 
3 Attachment(s)
Quote:

Originally Posted by ngoma (Post 7035)

Get out there and inspect yours!

Bingo... I found a crack on passenger side. :mad:
Now, get out there and inspect yours!

745 TurboGreasel 06-09-2013 12:59 PM

Lucky you, an opportunity to remove a ton of grit and grime without doing any cleaning.

ngoma 06-09-2013 10:38 PM

Looks familiar. Going to weld it?

ngoma 06-11-2013 01:55 PM

You can drill a small hole (1/8") at the end of each crack, to relieve the tendency for the crack to travel further. Then keep it under observation.

After repair (by welding or replacement w/ upgraded crossmember), you can add these crossmember reinforcements, shown in green in this first photo:

http://forumbilder.se/images/7d2009115249P1118.jpg

Should still be available from Volvo
http://i47.photobucket.com/albums/f1...c/IMAG0155.jpg

http://i47.photobucket.com/albums/f1...c/IMAG0156.jpg

Vadis diagram:
http://homepages.nildram.co.uk/%7Edr...latesvadis.jpg

These came standard on 960s, so maybe you can find some at a JY.

RedArrow 06-11-2013 08:02 PM

Quote:

Originally Posted by ngoma (Post 7083)
You can drill a small hole (1/8") at the end of each crack...
After repair (by welding or replacement w/ upgraded crossmember), you can add these crossmember reinforcements.

These came standard on 960s, so maybe you can find some at a JY.


I really enjoyed the quality photos of cracks+the repairs in this great thread. I went through it several times, saying `what the hell... is it soo common?` then I decided to see my crossmember...

I`ll take your advice: drill, weld, inspect again... while I will be trying to locate a pick-and-pull junkyard nearby. Thank you for the quick answer, it is very helpful!

Nevadan 07-09-2013 08:12 AM

Excellent info on the part numbers for the factory fix. Thanks.

casioqv 07-12-2013 06:06 AM

Quote:

Originally Posted by ngoma (Post 6759)
casioqv, how did you order it? Meaning how were you able to get the correct part, the 16v xmember with the mount pedestal? Simple as telling them it had to come from a 16v car?

Yea, I just said I wanted a crossmember from any 16v 740.

RedArrow 09-07-2013 09:17 AM

Cracked XM
 
Hi Ngoma, Casio,
great to know that the 16V crossmember is an option for us.
Is it a true bolt-in design which means no welding or fabrication will be needed?
Thanks a lot

ngoma 09-07-2013 11:42 AM

No welding or fabrication required. You will need to transfer the right side engine mount angled base from your old crossmember. Again, bolt-in.


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