Install Rear Center Section - Ar64.20-P-1050-04LCA

Model 217.4

Fig 1: Feeler Gauge (129 589 03 21 00)

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The higher-level service document as well as the safety information in the service document must be observed.

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Install bottom rear-end center section (1) and fit.
Install bottom rear-end center section mount (2) and fit.
Install rear bumper and fit.
Install tail lamps and fit.
Install seal and fit.
Install lock striker and fit.
Check gaps using feeler gauge and adjust.
Fix bottom rear center section (1) and bottom rear center section mount (2) in place.
Remove striker eye.
Remove seal.
Remove taillamps.
Remove rear bumper.
Drill rivet holes on bottom rear-end center section (1) with a diameter of 6.7 mm and countersink (areas B1).
Drill rivet holes on bottom rear-end center section (1) and bottom rear-end center section mount (2) with a diameter of 6.7 mm (areas A1).
Only if a riveter for punching and flow form rivets is not used for installation.
Drill rivet holes on bottom rear-end center section (1) and mount bottom rear-end center section (2) with a diameter of 6.7 mm (area A2).
Drill rivet holes in center of overlap of bottom rear center section (1) and bottom rear center section mount (2) at a distance of 55 mm to one another.

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Mark position on rivet holes of bottom rear center section (1).
The distance of the rivet holes to the outer edge must be at least 10 mm.

Dimensions:

a = approx. 17 mm

b = approx. 11 mm

c = approx. 22 mm

d = approx. 11 mm

e = approx. 15 mm

f = approx. 25 mm

g = approx. 43 mm

h = approx. 26 mm

i = approx. 11 mm

j = approx. 11 mm

k = approx. 11 mm

l = approx. 20 mm

m = approx. 25 mm

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Drill rivet holes on the bottom rear-end center section (1) with a diameter of 6.7 mm (area B₃ ).
Only if a riveter for punching and flow form rivets is not used for installation.
Drill rivet holes on the bottom rear-end center section (1) with a diameter of 6.7 mm (area E₂ ).
Drill rivet holes on bottom rear-end center section (1) with a diameter of 6.7mm (areas A₃ , A₄ , A₅ , A₆ ).
The distance of the rivet holes to the outer edge must be at least 10 mm.
Drill rivet holes on the bottom rear-end center section mount (2) with a diameter of 6.7 mm (area C₁ ).
Drill through present bolt holes.
Remove bottom rear center section (1).
Deburr rivet holes on bottom rear center section (1) and body on both sides.
Remove drilling chips.

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Apply 2-component adhesive to crosshatched area of body.
Observe pretreatment of bonding surfaces and manufacturer's specifications for drying and processing time of 2-component adhesive.

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Apply 2-component adhesive to body in crosshatched areas.
Observe pretreatment of bonding surfaces and manufacturer's specifications for drying and processing time of 2-component adhesive.

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install bottom rear center section (1) and fix in place.
Rivet bottom rear-end center section (1) with blind rivets with a diameter of 6.4 x 12 (areas D₁ ).
Rivet bottom rear-end center section (1) with blind rivets with a diameter of 6.5 x 12.5 (areas F₁ ).
Flow form rivets with structure 4 mm to 5.15 mm clamping range (S3) can also be used if a riveter for punching and flow form rivets is used for installation (area F₁ ).
Rivet bottom rear-end center section (1) with blind rivets with a diameter of 6.5 x 12.5 (areas E₁ ).
Flow form rivets with structure 4 mm to 5.15 mm clamping range (S3) can also be used if a riveter for punching and flow form rivets is used for installation (area E₁ ).
Arrest transition between bottom rear center section (1) and rear fender at bead edge for seal with clamping pliers until 2-component adhesive has cured.

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Rivet bottom rear-end center section (1) with blind rivets with a diameter of 6.4 x 12 (areas D₂ , D₃ , F₂ , F₄ , F₅ , F₆ ).
%flow form rivets with structure up to 3.5 mm clamping range (S1) can also be used if a riveter for punching and flow form rivets is used for installation (area D₂ ).
Rivet bottom rear-end center section mount (2) with blind rivets with a diameter of 6.5 x 12.5 (area G₁ ).
Bottom rear-end center section mount (2) on longitudinal member console (areas H₁ , H₂ , H₃ ).
Perform inert gas welds as stitch welds with a length of approx. 55 mm (H₁ , H₂ , H₃ ).