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PV, 120 (Amazon), 1800 General Forum for the Volvo PV, 120 and 1800 cars

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Cross member repaired

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Old Oct 8th, 2019, 01:28   #1
adarvasi
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Default Cross member repaired

After disassembling the front end we discovered that it had been hit pretty hard and very bad repair done, attached you will find the pictures of the before and after pictures and the final result, which I am very satisfied with. There is a gap of 5.5 mm at the fork attaching point on the repair side which will be compensated with washers, there was no other way to solve it.
Attached Images
File Type: jpg Front Axle Member.jpg (128.5 KB, 38 views)
File Type: jpg Front Axle Member repair detail.jpg (80.0 KB, 37 views)
File Type: jpg Front Axle Member repair detail2.jpg (104.6 KB, 33 views)
File Type: jpg Cross member repair detail.jpg (84.5 KB, 29 views)
File Type: jpg Cross member repair detail2.jpg (67.6 KB, 29 views)
File Type: jpg Repair detail finished.jpg (88.1 KB, 29 views)
File Type: jpg Repair detail finished2.jpg (79.4 KB, 28 views)
File Type: jpg Cross member side without distorsion after repair.JPG (101.8 KB, 30 views)
File Type: jpg Cross member distorsion after repair2.JPG (91.3 KB, 25 views)
File Type: jpg Cross member repaired ready for paint.jpg (107.6 KB, 31 views)
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Old Oct 8th, 2019, 02:32   #2
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I hope the rest of the car is OK after having a knock like that (I'd be making loads of other measurements to make sure)

Have you tried to find a replacement sub frame?
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Old Oct 8th, 2019, 12:15   #3
Derek UK
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The welder should have squared it up on that bench before adding a couple of initial tack welds, than you wouldn't have the alignment problem. The 5.5mm spacers could be welded on, that would stop any shuffling about in the future.
If the welder had OCD, he would start again!
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Old Oct 8th, 2019, 15:01   #4
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Quote:
Originally Posted by Army View Post
I hope the rest of the car is OK after having a knock like that (I'd be making loads of other measurements to make sure)

Have you tried to find a replacement sub frame?
Hello Army, thankfully after careful measurements, the car does not have any other deviations.
Sincerely I a did not try very hard together a replacement sub frame, I didn't think that the issue was that serious.
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Old Oct 8th, 2019, 15:08   #5
adarvasi
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Quote:
Originally Posted by Derek UK View Post
The welder should have squared it up on that bench before adding a couple of initial tack welds, than you wouldn't have the alignment problem. The 5.5mm spacers could be welded on, that would stop any shuffling about in the future.
If the welder had OCD, he would start again!
Derek, the alignment problem is not at the repair spot, it is caused by the deformation of the stamped bottom below the repair (see picture). The repair is perfectly aligned with the rest of the holes on both sides vertically and horizontally, and the distances are dead on.
The idea of welding the spacers is a very good solution.
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File Type: jpg Area of deformation.JPG (96.6 KB, 19 views)
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Old Oct 8th, 2019, 20:29   #6
Ron Kwas
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adarvasi;

When the Cross-member is fully removed from vehicle, the welder is able to fixture and check it, and do a much nicer job than when working under the car, where access is limited, contortions are often necessary, not to mention the possibility of falling molten metal...it certainly looks like a clean repair now!

Cheers
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