Parts used
Note; Prior to commencing any work, take plenty of datums prior to commencing work. We made a template of the angle of the C Post as in Image no.9
Steps
1
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Find the spot welds on the C Post, where its welded to the sill rail and vertical section of the C Post, do not cut it out as you will need to reuse the tabs on the vertical section of the C Post to reattach your repair section. |
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2
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The spots weld have been drilled out, you may need to use a bolster chisel to break the weld to remove the C Post |
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3
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The vertical section of the C Post has been removed with the tabs intact to reattach the new C Post. |
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4
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Offer the vertical section and the C Post repair section together, then using a previous made template tack weld the C Post in place. |
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5
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When your happy with the alignment of the C Post fully weld in place and dress. |
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6
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Offer the new B Post up and measure where the inner frame of the B Post needs removing. |
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7
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Cutting out the corroded B Post using a 1mm cutting disc, ready to weld the new one in |
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8
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Butt joint and tack weld the replacement B Post in place and again before fully welding in place check the alignment and measurements. |
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9
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After checking the alignment we have seam welded the joints and dressed off. |
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10
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Remove the outer skin of the B Post, when doing this stagger the joint, this will make the B Post stronger and not give it any weak points. Then butt joint and weld the outer skin in place and dress |
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11
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Having repaired all the B & C Post and using new YRM sill rails they are ready to reassemble. |
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12
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Using the measurements taken at the start ensure they are assembled back in the same place. Image 21 form the B Post to end of sill rail was 882mm & Image 22 from inside of B Post to inside of C Post was 775mm. Don’t take this measurements as gospel, your best checking your own Defender prior to doing this. |
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This work was done having removed the Side Frame from the vehicle, this job can also be done leaving the B and C Post intact on the vehicle
This work was carried out by Ronnie Maughan Snr @ YRM