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2016 Cadillac ATS-V: Service Bulletin: Oily Substance On Windshield Leaking From Moisture Sensor

Rob

Administrator
Staff member
Joined
Nov 3, 2011
Messages
3,037
Location
New Hampshire
V-Series Cadillac(s)?
Not Yet!
[h=3]#PIC6086B: Oily Substance On Windshield Leaking From Moisture Sensor - (Sep 26, 2016)[/h]
Subject: Oily Substance On Windshield Leaking From Moisture Sensor
Models:*
2013 -2016 Cadillac ATS
2016 Cadillac ATS-V
2014 - 2016 Cadillac CTS Sedan (VIN A)
2013 - 2016 Cadillac XTS
2015 Cadillac Escalade Models
2013 - 2016 Cadillac SRX
2014 - 2016 Cadillac ELR
2015 - 2016 Chevrolet Suburban, Tahoe
2015 - 2016 GMC Yukon Models
2013 - 2016 Buick Encore
With Rain Sense (RPO CE1) (RPO CEC for SRX only)

<tbody>
</tbody>


This PI was superseded to add Models. Please discard copies of PIC6086A.


The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

<dl>
<dt>Condition/Concern
</dt> <dd>
Some customers may comment that an oily substance is found on the inside windshield surface and appears to be leaking from the rear view mirror area.

</dd></dl><dl><dt>Recommendation/Instructions</dt>
<dd>
The oil/fluid is from the gel pad of the moisture sensor, the oil/fluid can separate and leak due to heat loads.* The sensor should only leak one time and leakage will not affect the performance of the sensor.


Note: Only 1 gram of oil is used in the sensor – so the leak will be minimal. As such, driver visibility will not be impacted.


Inspect the moisture sensor for being the source of the leak,* If found to be leaking, carefully remove the moisture sensor by gently rocking the sensor in the bracket and pulling down with constant pressure.

Important: Use care to avoid touching the gel of the moisture sensor. Using excessive force*to remove may cause the gel to separate from the sensor.*Any sensor that experiences gel separation should be replaced.



Clean the glass surface and sensor bracket with an Isopropanol Alcohol wipe until the surfaces are clean, then re-install the moisture sensor.

Test the moisture sensor by placing the ignition in the run position and rotating the wiper switch Intermittent (delay) band fully forward.* Once the wipers wipe once, apply water to the windshield in the area of the moisture sensor with a spray bottle. After one or two sprays, the wipers should wipe.

</dd> </dl>
 

Tuna

Seasoned Member
Joined
Nov 4, 2011
Messages
799
Location
Mustang, OK
V-Series Cadillac(s)?
'11 V Wagon, ( '13 427 Vette & '14 ATS)
No oil yet on my '14 ATS. Then again, maybe it has been in the sun enough to cause it to leak.
 

Hib Halverson

Technical Writer for Internet & Print Media
Joined
Mar 20, 2015
Messages
221
Location
CenCoast CA
V-Series Cadillac(s)?
2016 ATS-V Sedan, 2016 ATS-V Coupe
I don't have the rain sensing wipers on either of my Vs but...oil leaking from the sensor?
Sounds really gross.:frown:
 

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