Replace rear quarter window (fixed) L08
Note: This
documentation describes how to remove glass from the rear quarter
window (fixed) using glass removal system BO-46974 . To supplement the existing Video VT 54,
the individual working steps for non-destructive removal of the
rear quarter window (fixed) are shown.
Warning: Before
starting work, put on the gloves and protective goggles contained
in tool kit BO-46974 to prevent injuries
to the eyes and hands.
Tool BO-46974 is recommended for
removing glass without destroying it. Further information can be
found in video VT 54.
Note: Position the
vehicle on level ground and move the front wheels to the
straight-ahead position.
Remove
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1. |
Detach additional weatherstrip on roof frame in rear area
(1)
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Unclip additional weatherstrip at B-pillar (2)
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Remove additional weatherstrip from guide
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2. |
Detach upper B-pillar inner panelling
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3. |
Measure diagonal of window
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Cut off cutting wire to four times the required length, approx.
3800 mm
Note: The circumference
of the roll of wire is approx. 1 metre.
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4. |
Heat the awl using a suitable tool
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5. |
Push an awl through the adhesive bed from the inside towards
the outside
Note: Ensure that the
PU coating is not damaged
Note: Ensure that the
rear quarter window is not damaged, otherwise stress cracks may
appear in the rear quarter window
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6. |
Pull in cutting wire
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Thread the cutting wire into the hole of the awl and bend
up
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Pull cutting wire through adhesive bed
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Pull cutting wire to the middle of the pane
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7. |
Lay the cutting wire all the way round
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Lay below PU coating on rear quarter window
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Secure in place with fabric tape
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8. |
Pull second end of wire through the adhesive bed with an
awl
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9. |
Fix the rear quarter window in place
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10. |
Position the cutter
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Position the winch with two winding heads (1) in the front
upper area of the rear quarter window
Note: Check that the
cutting wire (2) is laid correctly at the winch deflection
roller
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Insert transfer ratchet and pre-tension cutting wire
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11. |
Cut out the rear quarter window
Note: Greater tension
is required to cut in the area of the glass radius. Use lubricant
on the deflector roller.
• |
Cut out glass until the cutting wire is level with the
winch.
Note: Protect moulded
headlining against damage.
– |
Arrow shows the path taken by the cutting wire
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12. |
Position the cutter
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Position the winch with two winding heads (1) in the upper rear
of the rear quarter window
Note: Check that the
cutting wire (2) is laid correctly at the winch deflection
roller
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Insert transfer ratchet and pre-tension cutting wire
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13. |
Cut out the rear quarter window
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Cut out glass until the cutting wire is level with the
winch.
Note: Protect moulded
headlining against damage.
– |
Arrow shows the path taken by the cutting wire
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14. |
Position the cutter
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Position the winch with the two winding heads (1) in the lower
area of the rear quarter window
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Tension the second end of the wire in the free winding head
Note: Check that the
cutting wire (2) is laid correctly at the winch deflection
roller
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Insert transfer ratchet and pre-tension cutting wire
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15. |
Cut out the rear quarter window
Note: Greater tension
is required to cut in the area of the glass radius. Use lubricant
on the deflector roller.
• |
Continue cutting until the cutting wire has cut through all the
adhesive bed
Note: Protect front
rear quarter panel from damage.
– |
Arrow shows the path taken by the cutting wire
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18. |
Remove the rear quarter window
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19. |
Cut the adhesive bead off the rear quarter panel
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Using the tool supplied (1), remove the adhesive bead down to a
thickness of approx. 1 mm
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20. |
Repair any paint damage
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Using a touch-up pen to match the colour of the vehicle, repair
any paint damage
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21. |
Cut the adhesive bead off the rear quarter window
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Using the tool supplied, remove the adhesive bead down to a
thickness of approx. 1 mm
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Install
22. |
Apply primer
Note: Only with new
glass pane
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23. |
Apply adhesive bead
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Cut into the tip of the cartridge in such a way that a bead of
adhesive approx. 13 mm thick is
produced
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24. |
Insert rear quarter window
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Insert windscreen with MKM-641
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Secure the glass pane in place with fabric tape
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26. |
Install upper B-pillar inner panelling
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Insert inner panelling in guide
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27. |
Install roof frame additional weatherstrip
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Insert additional weatherstrip in guide
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Clip in additional weatherstrip at B-pillar
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