Part of rear frame member
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Part of rear frame member
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The rear bumper abutment should already have been removed when a replacement subframe member is fitted.
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Important
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The subframe member must be cut and joined only behind the marking shown. If the damage extends further, the entire subframe member must be replaced.
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Mount the car on an aligning bench and realign to the correct measurements if necessary.
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1.
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Cut the subframe member.
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2.
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Drill out the spot welds and remove the damaged part of the subframe member.
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3.
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Realign any deformed metalwork.
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4.
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Cut the spare part roughly to size so that it will overlap the joint by about three centimetres.
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5.
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Position the spare part and fix it with a few welding clamps. Adjust it precisely and check the alignment by means of the aligning bench's coordinate measuring system.
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6.
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Cut through the spare part and the old subframe member simultaneously so that the joint can be welded edge-to-edge.
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7.
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Remove the spare part and use a grinder to clean the areas on the spare part and body that are to be welded.
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8.
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Apply welding primer to the surfaces which are to be welded. Use Teroson Zinkspray.
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9.
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Position the spare part and fix it with a couple of welding clamps.
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10.
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Weld the joint on the subframe member.
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11.
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Plug weld the subframe member to the luggage compartment floor.
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12.
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Wash off surplus welding primer. Welding primer makes for poorer adhesion of paint, filler and sealant.
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13.
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Apply primer to all surfaces that have been ground clean. Use Standox 1K Füllprimer.
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14.
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Seal joints and metal folds with putty. Use Terostat 1K-PUR.
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15.
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Apply PVC substitute to the underbody. Use Terostat 9320.
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16.
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Apply anti-corrosion agent to the inside of the frame member. Use Terotex HV 400 T 129 or Mercasol 3.
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