NHTSA ID Number: 11028215
Manufacturer Communication Number: 2080372/1
TSB/Document Date: 2026-02-04
Summary
Window Drop Glass Operation | Continental GT/GTC | 25-26MY. Condition: • Incorrect operation / function of the front and / or rear window drop glass • Front and / or rear drop glass fails to open / close or attempts to close and re-opens once contact has been made between the glass and applicable seal • DTC for window regulator motor no basic setting B148754 evident within any of the 4 window control modules (diagnostic address 42, 52, BB and BC) for loss of basic settings
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TSB/Document ID: 2080372/1
Replacement Service Bulletin Number:
MFR Communication Date: 2026-01-20
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: STRUCTURE:BODY
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
50mm from rear edge of the front door glass
8.5mm ± 1mm
Interlock Point 5
(Roof up)
50mm from corner
11mm ± 1mm
Interlock Point 5
(Roof down)
50mm from top of glass
11mm ± 1mm
Interlock Point 6
(Roof up & down)
50mm from corner
11mm ± 1mm
Interlock Point 7
50mm behind rear div bar
8.5mm ± 1mm
Interlock Point 8
100mm from corner
8.5mm – 16mm
Profile Point 1
50mm in front of front div bar
10mm ± 1mm
Profile Point 2
50mm in front of front div bar
14mm ± 2mm
Profile Point 3
(Roof up)
50mm from upper corner
+0 mm / – 3 mm
Profile Point 3
(Roof down)
50mm from upper corner
+0 mm / – 3 mm
Profile Point 4
50mm from lower corner
+0 mm / – 3 mm
Point A
100mm behind front div bar
5mm ± 1mm
Point B
100mm infront of rear div bar
5mm ± 1mm
Point C
100mm behind rear div bar
5mm ± 2mm
Record all measured results as per the table below and
attach to existing Technical DISS query if required.
Before adjustment
After adjustment
In/Out of specification (Tick/Cross)
WINDOW ENTRY INTO CANT RAIL/ROOF SEAL
Windows should enter cant rail seal smoothly,
making contact with green area.
Too far inboard increases the risk of the cant rail
seal pinching, too far outboard will clash with
cant rail brightware (red squares)
For the front door, poor door profile point is a
major contributing factor here and should be
checked/adjusted if window found to be entering
seal incorrectly.
If this is not correct, it will cause the window to
bounce back causing a loss of basic settings.
Front Window example showing
correct operation
INTERNAL
Retailer Glass Measurement
Procedure for GT
BY634
For measurement specifications refer only to the
information in this TPI, refer to ElsaPro for all
adjustment instructions as required.
INTERNAL
INTERLOCK POINT 1
The steel rule shown in the images is for reference purposes
only. To avoid potential damage to vehicle surfaces, it is
recommended to use a plastic rule when performing
measurements or alignments.
From block to bright ware for all interlock points
Specification
7.5mm ± 1mm
(Interlock Tool WT10549/1)
If the measurement is out of
specification refer to ElsaPro
Repair Group 64 ‘Front door
quarter glass – To adjust’
Place block 50mm in
front of front div bar
INTERNAL
Record measurement for
all interlock points
INTERLOCK POINTS 2, 3, 4
4
Specification
8mm ± 1mm
(Interlock Tool WT10549
If the measurement is
out of specification
refer to ElsaPro
Place block 150mm
behind corner of
front div bar
INTERNAL
Place block 50mm
in front of rear div
bar
Place block 50mm
to rear of rear div
bar
Repair Group 64 ‘Slide
glass checking and
adjusting’
)
INTERLOCK POINT 5
Do not use a Steel Rule against the div bar to measure, use a plastic vernier/rule
5
Specification
11mm ± 1mm
(Ruler/vernier )
If the measurement is
out of specification refer
to ElsaPro
Repair Group 64 ‘Slide
glass checking and
adjusting’
50mm from seal
INTERNAL
Record measurement
INTERLOCK POINT 6
6
Specification
8mm ± 1mm
(Interlock Tool WT10549/1
If the measurement is
out of specification
refer to ElsaPro
Repair Group 64 ‘Slide
glass checking and
adjusting’
Place block 50mm from
corner point of bright ware
INTERNAL
Record measurement for all
interlock points
)
INTERLOCK POINT 7
Do not use a Steel Rule against the div bar to measure, use a plastic vernier/rule
7
Specification
11mm ± 1mm
(Ruler/vernier )
If the measurement is
out of specification refer
to ElsaPro
Repair Group 64 ‘Slide
glass checking and
adjusting’
50mm from seal
INTERNAL
Record measurement
PROFILE POINT 1
Specification
10mm ± 1mm
(Profile Tool WT10549/2
If the measurement is
out of specification refer
to ElsaPro
Repair Group 64 ‘Slide
glass checking and
adjusting’
50mm in front of front div
bar
INTERNAL
Flat against glass to
brightware
)
PROFILE POINT 2, 3, 4
4
Flat against glass to
brightware
Specification
10mm ± 2mm
(Profile Tool WT10549/2
50mm behind front
div bar
INTERNAL
50mm in front of
rear div bar
50mm behind
rear div bar
If the measurement is out
of specification refer to
ElsaPro
Repair Group 64 ‘Slide
glass checking and
adjusting’
)
PROFILE POINT 5
5
Flat against glass to
brightware
Specification
10mm ± 2mm
(Profile Tool WT10549/2
)
If the measurement is out
of specification refer to
ElsaPro
Repair Group 64 ‘Slide glass
checking and adjusting’
50mm from corner
point of bright ware
INTERNAL
Flat against glass to
brightware
PROFILE POINT 6
67
A
✓
Specification
Point A tool against glass is +2mm
Allowable up to 3mm refer to Point B
(Profile Tool WT10549/2)
Front
50mm
B
50mm from upper corner
INTERNAL
Flat against front
window, measure gap
If the measurement is out of
specification refer to ElsaPro
Repair Group 64 ‘Slide glass
checking and adjusting’
PROFILE POINT 7
7
A
✓
Specification
Point A tool against glass = +2mm
Allowable up to 3mm refer to Point B
(Profile Tool WT10549/2)
Front
50mm
B
50mm from lower corner
INTERNAL
Flat against front
window, measure gap
If the measurement is out
of specification refer to
ElsaPro
Repair Group 64 ‘Slide
glass checking and
adjusting’
WAIST SEAL MEASUREMENT POINT A
Specification
(A.1) 100mm from corner
(A.2) 5mm ± 1mm
(Ruler)
A.1
A.2
Mark on tape 100mm
from div bar (A.1)
INTERNAL
Measure from first lip rubber
seal to window glass (A.2)
If the measurement is
out of specification
refer to ElsaPro
Repair Group 64 ‘Slide
glass checking and
adjusting’
WAIST SEAL MEASUREMENT POINT B
B.2
Specification
(B.1) 100mm from corner
(B.2) 5mm ± 1mm
(Ruler)
If the measurement is out of
specification refer to ElsaPro
B.1
Repair Group 64 ‘Slide glass
checking and adjusting’
See image below, for OK and NOK after
adjustment/checking
NOK
OK
Mark on tape 100mm from
div bar (B.1)
INTERNAL
Measure from first lip rubber
seal to window glass (B.2)
WAIST SEAL MEASUREMENT POINT C
Specification
(C.1) 100mm from corner
(C.2) 5mm ± 2mm
(Ruler)
C.1
C.2
If the measurement is out of
specification refer to ElsaPro
Repair Group 64 ‘Slide glass
checking and adjusting’
Mark on tape 100mm
from div bar (C.1)
INTERNAL
Measure seal to
window gap (C.2)
Record all measured results as per the table below and
attach to existing Technical DISS query if required.
RECORDED MEASUREMENTS
Point
Interlock
Waist
Seal
INTERNAL
Specification
Interlock Point 1
50mm in front of front div bar
7.5mm ± 1mm
Interlock Point 2
150mm behind corner of front div bar
8mm ± 1mm
Interlock Point 3
50mm in front of rear div bar
8mm ± 1mm
Interlock Point 4
50mm to rear of rear div bar
8mm ± 1mm
Interlock Point 5
50mm from seal
11mm ± 1mm
Interlock Point 6
Profile
Position
50mm from corner point of bright ware
8mm ± 1mm
Interlock Point 7
50mm from seal
11mm ± 1mm
Profile Point 1
50mm in front of front div bar
10mm ± 1mm
Profile Point 2
50mm behind front div bar
10mm ± 2mm
Profile Point 3
50mm in front of rear div bar
10mm ± 2mm
Profile Point 4
50mm behind rear div bar
10mm ± 2mm
Profile Point 5
50mm from corner point of bright ware
10mm ± 2mm
Profile Point 6
50mm from upper corner
+0 mm / – 3 mm
Profile Point 7
50mm from lower corner
+0 mm / – 3 mm
Point A
100mm behind front div bar
5mm ± 1mm
Point B
100mm infront of rear div bar
5mm ± 1mm
Point C
100mm behind rear div bar
5mm ± 2mm
Before adjustment
After adjustment
In/Out of specification (Tick/Cross)
WINDOW ENTRY INTO CANT RAIL/ROOF SEAL
Windows should enter cant rail seal smoothly,
making contact with green area.
Too far inboard increases the risk of the cant rail
seal pinching, too far outboard will clash with
cant rail brightware (red squares)
For the front door, poor door profile point is a
major contributing factor here and should be
checked/adjusted if window found to be entering
seal incorrectly.
If this is not correct, it will cause the window to
bounce back causing a loss of basic settings.
Front Window example showing
correct operation
INTERNAL
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