Subject:

Engineering Information - Request for Pictures of Lower Oil Pan Seal Leaking

Attention:

This Engineering Information (EI) does not require the technician to call an engineer. This EI Lite is asking ONLY to
submit the description of the issue with PIE number and pictures using the Field Product Reporting (FPR) App
(reference bulletin 02-00-89-002). Proceed with this EI ONLY if the customer has a Lower Oil Pan Seal leaking, AND the
PIE number is listed in the Global Warranty Management / Investigate History link (GWM/IVH). If the customer does not
have a Lower Oil Pan Seal leaking concern, or this PIE number does not show in GWM/IVH, disregard the EI and
proceed with diagnostics found in published service information. THIS IS NOT A RECALL — refer to Service Bulletin
04-00-89-053 for more details on the use of Engineering Information bulletins.

Brand:

Model:

Model Year:

VIN:

from

to

from

to

—

—

Cadillac

Escalade Models

2021

2022

Chevrolet

Silverado 1500

2021

2021

Silverado 1500 LTD (RPO
J21, 12th VIN Digit = 4 or
less)

2022

2022

Suburban

2021

Engine:

Transmission:

Equipped with
3.0L Engine (RPO
LM2)

—

Tahoe
GMC

Sierra 1500

2021

2021

Sierra 1500 Limited (RPO
J21, 12th VIN Digit = 4 or
less

2022

2022

Yukon Models

2021

Involved Region or Country

US Dealers ONLY

Condition

Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI.
Some customers may comment on oil leaking from the lower oil pan seal area.

Cause

GM Engineering is attempting to determine the root cause of the above condition. Engineering has a need to
gather information on vehicles PRIOR to repair that may exhibit this condition. As a result, this information will be
used to "root cause" the customer's concern and develop/validate a field fix.

Correction
If you encounter a vehicle where a customer comments on oil leaking from the lower oil pan seal area that drives a warrantable item type of repair on any of the listed
Models shown above, use the Field Product Reporting (FPR) App, take pictures of the issue (per details below), fill out required fields (including adding PIE number
PIEXXXX in the Condition Field) and Submit
Note: GM has updated the Field Product Reporting App, and it is now part of the “Certified Service Mobile Toolbox” (CSMT) Instructions to load the App to your phone
and other detailed instructions can be found in the latest version of Bulletin 02-00-89-002 (U.S. Dealers).
When a leak from Lower oil pan seal is identified:
1.

Identify the area of the leak (Front/Rear, Left side/Right side, Corner).

2.

Take a picture of the area where the leak is.

1

3.

Take a picture of the entire area of the LCE sealing surface when the lower oil pan is dismounted of the issue area, as shown in the picture above, to the
issue description in the FPR.

4.

Take a clear close-up picture or two of the entire sealing surface of the pan dismounted area of concern, as shown in the picture above to help us better
understand the type of issue.
Important: DO NOT remove the RTV from the surface.

Warranty Information
If engineer was contacted or required information was provided, use:
Labor Operation

Description

Labor Time

4088388*

Engineering Information - Request for Pictures of Lower Oil Pan Seal Leaking

0.2 hrs.

*This is a unique Labor Operation for bulletin use only.

Version

1

Modified

Released March 23, 2022

2