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The following operation steps are shown on model 171.
1 Expose MIG solder seams on rear fender (1) and grind off (area C).
2 Grind off bead on wheel arch of rear fender (1) (area B1).
Do not damage wheel well below.
3 Remove remaining piece from crimped bead on rear fender (1).
4 Expose spot welds on rear fender (1) and cut out (areas A and B).
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5 Expose spot welds on rear fender (1) and cut out (areas D1,D2, F, F1, G, H and I).
Cut out spot welds in area (F1) only on model 171.
Cut out spot welds in area (D1) only on model 172 from outer side of bead.
6 Drill Ø 6.7 mm holes in rear fender (1) (area E).
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7 Expose spot welds on rear fender (1) and cut out (area J1, J2, J3 and K).
Areas (J1, J2, J3) are only present on model 172.
8 Scribe separation point on rear fender (1) and cut (area J).
Do not damage rear center section below.
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9 Heat rear fender (1) in cross-hatched area.
10 Remove rear fender (1)
Perform following operation steps 11, 12 and 13 only on model 171.
11 Expose spot welds on rear fender section (2) (area L).
Cut out spot welds on rear fender section (2) from inside.
12 Cut out spot welds on rear fender section (2) (area M).
Cut spot weld through two sheet metal thicknesses.
13 Remove rear fender section (2).
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14 Sand mating surfaces down to bare metal in the cross-hatched areas.
Grind spot weld flanges down to bare metal on both sides.
15 Remove shavings and drill chips.
16 Coat insides of spot weld flanges with zinc dust paint.
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17 Sand mating surfaces down to bare metal in the cross-hatched areas.
Grind spot weld flanges down to bare metal on both sides.
18 Remove shavings and drill chips.
19 Coat insides of spot welding flanges and rivet connections with zinc dust paint.