I check my oil everyday before driving. I started to notice that there was oil behind my oil filter cap. It is collecting in the 2 holes behind it. Not sure what it is. need help.

https://www.cobaltss.net/gallery/fil...downsize_1.jpg

 

could be the infamous head leak on our LNF.

 

great. i will sell that so fast it wont be real. it is prolly those shitty ass gaskets they put on

 

ya i don't think it's a major issue... take it in if it's still under warranty. if it's not get it checked and quoted to see if it costs much to replace the gasket...

 

My wife's 2.2 Ecotec Sunfire had the same thing.
It was the oil filter tower.
The screw on cap has a cheap gasket and if you over torque it, the thing gives a slow leak.
I let it go for a long time...
I have a new cap and it never leaked since.

 

i am prolly going to bring it in. see if they are going to void my warranty.

that is what i was thinking. i want to say it is that. i never started noticing it until after i changed my oil. i got a problem with over torquing things

 

I've seen more than a few leak from the o-ring....not a huge deal man

 

it is the o-ring on the oil filter cap, K @ N oil filters come with a new o-ring. change that o-ring EVERY time you change your oil, and it will never leak agean!!

 

i change t everytime. i think i know what it is.

 

Did you find out what this issue is? My car is leaking oil really bad from behind the oil filter housing.

 

It might be the High pressure fuel pump leak ..... I'll have to look again but isnt the HPFP sitting above those holes?


Here is the TSB from GM


#09-06-01-014: Oil Leak by High Pressure Fuel Pump (Reseal Camshaft Cap) - (Dec 3, 2009)


Subject: Oil Leak by High Pressure Fuel Pump (Reseal Camshaft Cap)


Models: 2007-2009 Chevrolet Cobalt SS, HHR SS

2007-2009 Pontiac Solstice GXP

2007-2009 Saturn SKY Redline

2008-2009 Opel GT

2008 Daewoo G2X

Equipped with a RPO LNF Engine

Please Refer to GMVIS




--------------------------------------------------------------------------------
Condition
Some customers may comment on an oil leak.

Upon further investigation, a technician may find oil leaking from the high pressure fuel pump area.

Cause
This condition may be caused by a camshaft cap that is not sealed correctly to the cylinder head, causing oil to leak out.

Correction
•Verify the customer's concern.
•Remove the fuel pump. Refer to Fuel Pump Removal in SI.
•Remove the camshaft cover. Refer to Camshaft Cover Removal in SI.




•Remove the camshaft cap (1). Remove all excess sealing material from both surfaces.




Note: It is critical during installation to ensure the bearing rear cap and cylinder head alignment is correct and the mating surfaces are flush.

• Ensure that all sealing material has been removed from the components and the sealing surfaces are clean and free of contamination prior to applying the sealer.

• Install and align the rear cap within 20 minutes of applying the sealer.


•Apply a 2.5 mm (0.1 in) bead of sealer, GM P/N 12378521 (in Canada, use P/N 88901148) to the cylinder head at the number 6 intake camshaft rear cap mating surface.
Note: Apply the sealer to all locations centrally locating the bead on the rail.

• Run the bead to 5 mm (0.2 in), dimension "a", as shown.

• Where the cap ends on the perimeter rail, extend bead approximately 4 mm (0.2 in) beyond edge of cap.

• Run bead, dimension "c", 32 mm (1.3 in) from the edge of the cylinder head as shown.

• Run bead, dimension "b", 20 mm (0.8 in) from edge of cylinder head as shown.


•Install the number 6 intake camshaft rear cap.
6.1. Tighten the cap bolts evenly to 5 N·m(44 lb in).

6.2. Tighten the cap bolts evenly to 10 N·m(89 lb in).

6.3. Back the cap bolts out 120 degrees.

6.4. Tighten the cap bolts evenly a final pass to 10 N·m(89 lb in).

•Install the camshaft cover and gasket, GM P/N 12609291. Refer to Camshaft Cover Installation in SI.
•Install the fuel pump. Refer to Fuel Pump Installation in SI.
Important: When installing the fuel pump, install a NEW high pressure fuel pump O-ring (GM P/N 12600313), high pressure fuel pump gasket-to-cylinder head (GM P/N12595951) and high pressure fuel pipe (GM P/N12615401).

Parts Information
Part Number
Description

12609291
Camshaft Cover Gasket

12595951
Gasket, High Pressure Fuel Pump Gasket

12600313
High Pressure Fuel Pump O-Ring

12615401
High Pressure Fuel Pipe

12378521 (U.S.)

88901148 (Canada)
Silicone

Warranty Information
For vehicles repaired under warranty, use:

Labor Operation
Description
Labor Time

J7549*
Reseal Camshaft Cap
2.6 hrs

*This is a unique labor operation for bulletin use only. It will not be published in the Labor Time Guide

GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information.

WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION