.2006 Chevy Cobalt
IS THERE ANY service bulletins ON THE 2.2 ECOTECH oil FILTER GASKET
SEVERING, IF INSTALLED IMPROPERLY
The O ring gasket severed during install 2 weeks later ran out of oil causing
a rod to throw,but the canister did not leak after oil change?
GM Tech JK:
If the large O ring were to be cut or roll during installation, you would have an external oil leak right
away.
The small O ring on the tip of the filter being damaged would cause an oil pressure problem.
The only bulletin stated that if there is low oil pressure after an oil change, inspect that O ring for
damage caused by improper installation or incorrect filter.
Have had a few do this after people changed there own oil, or an oil change facility using a non-factory
filter. Some of the cheap filters have had problems with this. Either because using the wrong filter, or it
rips during installation.
The bulletin states...
"Oil filter misapplication may cause abnormal engine noise or internal damage. Always utilize the most
recent parts information to ensure the correct part number filter is installed when replacing oil filters.
Do not rely on physical dimensions alone. Counterfeit copies of name brand parts have been
discovered in some aftermarket parts systems. Always ensure the parts you install are from a trusted
source. Improper oil filter installation may result in catastrophic engine damage. "

Engine Damage After Oil Change 2.2L Ecotec four Cylinder
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