LM2 Diesel with a Rear Main Oil Leak with or without DTC P06DD Set – 2020-2023 Cadillac Chevrolet GMC

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NHTSA ID Number: 10222664

Manufacturer Communication Number: 22-NA-022

Summary

This Informational bulletin advises the technician of a possible oil leak at the front cover and how to diagnose it to verify if it is coming from the seal or not.

 


Condition

Some customers may comment on a oil leak.

The technician may find DTC P06DD set.

 

Cause

This condition may be caused by the rear main oil seal may have moved or severely
shifted out of position in the Timing Chain Lower Cover.

 

Correction

Replace the Timing Chain Lower Cover that comes with a seal already installed.

 

Parts Information

Description Part Number Qty
Lower Timing Cover 55515618 1

 


25 Affected Products

Vehicles

MAKE MODEL YEAR
CADILLAC ESCALADE 2021-2023
CADILLAC ESCALADE ESV 2021-2023
CHEVROLET SILVERADO 1500 2020-2022
CHEVROLET SUBURBAN 2021-2023
CHEVROLET SUBURBAN 1500 2021-2022
CHEVROLET TAHOE 2021-2023
GMC SIERRA 1500 2020-2022
GMC YUKON 2021-2023
GMC YUKON XL 2021-2022

 


1 Associated Document

Manufacturer Communications

Bulletin No.: 22-NA-022
Date: September, 2022

https://www.nhtsa.gov/recalls?nhtsaId=10222664

MC-10222664-0001.pdf 122.835KB

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Last update on 2024-05-02 / Affiliate links / Images from Amazon Product Advertising API

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