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Go Back   Chevy HHR Network > HHR SS > SS Specific Service Issues/Repairs > Oil Leak by high pressure fuel pump.. READ ME!!
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SS Specific Service Issues/Repairs Service/Repairs specific to the SS. Turbo-Brembo Brakes-2.0 Engine-Limited Slip Differential-Programmable Display-MU3 Transmission

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Old 01-09-2010, 11:32 AM   #1
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Oil Leak by high pressure fuel pump.. READ ME!!

Hey guys looks like GM finally found the fix to all our oil leak problems have a look.(Sorry if a repost this came out on dec 3,09)

#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.

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Old 01-09-2010, 11:40 AM   #2
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This post will show the pics too.

http://chevyhhr.net/forums/showthrea...908#post428908
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Old 01-09-2010, 11:46 AM   #3
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oops sorry i didnt know its a repost. My bad
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Old 01-12-2010, 02:10 PM   #4
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None of you guys have this problem?? Look under your hoods
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Old 01-12-2010, 09:11 PM   #5
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I do , but its just a stain right now..had it since before 10k...keeping it hip pocket till it goes in for other issues....eng rock and speedo off by 3 mph......
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Old 01-12-2010, 09:34 PM   #6
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Quote:
Originally Posted by IgottaWoody View Post
I do , but its just a stain right now..had it since before 10k...keeping it hip pocket till it goes in for other issues....eng rock and speedo off by 3 mph......
Speedo is normal, or as GM says "within tolerances". But you can start your own thread on that issue.

Does the engine roll too?

Haven't had to fix an SS with this problem yet.
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Old 01-12-2010, 09:52 PM   #7
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Yeah...really extreme in low.....I sometimes use low leaving work as we get piled up leaving the complex and low allows me to stay off the brakes...anyways noticed while
lightly getting back into gas the eng will thump over and then do the same when getting off the pedal...keep in mind I'm barely touching the petal to go, Ive experimented to make sure it wasnt just me....figured maybe a mount os stretched or loose or sloppy...do there have tq links? That was my first guess....I played with it in the driveway one day but couldn't pin point it by myself... its either that or I have one hellofa slop in my diff!
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Old 01-20-2010, 12:11 PM   #8
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Quote:
Originally Posted by bartSS View Post
None of you guys have this problem?? Look under your hoods
Been noticing a small dime size drip on the floor, took it to GM today and they are doing something to the camshaft area so I guess it might be this? He also said he had to order multiple parts, and told me oil was barely seeping out. Gave me my SS back to drive till the parts come in.
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Old 01-20-2010, 01:25 PM   #9
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^^^ Yeah thats it
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Old 01-20-2010, 01:25 PM
 
 
 
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