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NHTSA ID Number: 10143455
Manufacturer Communication Number: PIT5318E
Summary
This Preliminary Information communication provides information to the technician on a concern of wind buffeting noise and/or water leak.Technician is to follow the steps to apply vibration control material between the sunroof roof bow and the roof sheet metal.
16 Affected Products
Vehicles
Parts
| Panel Control Vibration Material | 3 Tubes | 1 | SEM 39977  |
SEOCONTENT-START
Bulletin No.: PIT5318E
Published date: 06/27/2018
Preliminary Information
PIT5318E Wind Bu????eting Drone Type Noise and/or Water Leak
Models
Brand: Model: Model Years:
VIN:
Engine: Transmissions:
from to
Cadillac
Escalade 2015 – 2018 All All All All
Chevrolet Suburban 2015 – 2018 All All All All
Chevrolet Tahoe 2015 – 2018 All All All All
GMC Yukon 2015 – 2018 All All All All
Supersession Statement
This PI was superseded to update the condition, recommendation, parts and warranty sections, along with adding
the 2018 model years. Please discard PIT5318D.
Condition / Concern
On some sunroof equipped trucks, customers may comment of a buffeting/wind noise and/or
also notice a water leak from the headliner area near the sunroof. It may be found that the
rear edge of the sunroof glass is considerably lower than the roof (2), even after performing
a sunroof glass height adjustment. This excessive over-crown / gapping between the
sunroof glass and roof may be due to the roof sheet metal being detached from the roof bow
directly behind the sunroof opening (3).
Note: The bonding material is not intended to contact the roof at the raised
reinforcement ribs.
Recommendations / Instructions
1) Remove the headliner to access the underside of the roof.
2) Remove the sunroof assembly.
3) Provide protection for the carpet and seats beneath the roof bow.
Important: Use care when removing old foam adhesive to Not damage roof sheet metal.
4) Using mechanics wire, and a plastic scraper or similar tool, remove the old foam.
5) Apply the panel control vibration material (listed below) along the top of the 1st roof bow.
6) Obtain two 2×4 pieces of wood long enough to span the opening of the sunroof. Wrap one
of the 2×4’s with a cloth to protect the roof paint and carefully place it on top of the roof, see
Important Note below.
7) Place the second 2×4 underneath the roof bow, sandwiching the roof sheet metal and roof
bow between the two pieces of wood.
8) Clamp everything together using three C-clamps as shown in the photo below (5 & 6). The
clamps will need to stay in place until the panel control vibration material is dry.
Important: Note When placing the cloth wrapped 2×4 on the top/roof, pay close attention
that it is far enough forward so that the 2×4’s rear edge does Not contact the roof’s raised
reinforcement ribs. The roof ribs may be damaged/dented if the 2×4 is placed on them when
clamped down.
9) Reassembly
Parts Information
Part Number Description Qty Material
Allowance
SEM 39977 *Panel Control Vibration Material 1 Tubes $46.00
* For panel control vibration material ordering information, call SEM at 1-866-327-7829 . SEM
products are also available at local automotive paint supply stores.
Warranty Information
For vehicles repaired under warranty, use:
Labor
Operation Description Body Style Labor Time
1480348* Reapply Sealer To Roof Bow
Short Wheel Base 3.3 hr
Long Wheel Base 3.6 hr
* This is a unique labor operation for bulletin use only. This will not be published in the Labor
Time Guide.
SEOCONTENT-END
Bulletin No.: PIT5318E
Published date: 06/27/2018
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Bulletin No.: PIT5318C
Date: Dec-2015
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Bulletin No.: PIT5318B
Date: Jul-2015
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Bulletin No.: PIT5318A
Date: Nov-2014
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Bulletin No.: PIT5318A
Date: November, 2014
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Bulletin No.: PIT5318
Date: Aug-2014
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Bulletin No.: PIT5318
Date: September, 2014
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