Thread: Strange Yellow Residue on Oil Cap?

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  1. #1 Re: Strange Yellow Residue on Oil Cap? 
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    How long has it been since someone cleaned that cap off? That residue can be normal, it depends on how long it took to get there. It could be left on the cap from where the intake manifold gasket leaked before. If the oil on the stick looks good and you aren't losing coolant, do what someone else above suggested. Clean the cap off good and then drive your car.
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  2. #2 Re: Strange Yellow Residue on Oil Cap? 
    GTP Level Member BlackGT97's Avatar
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    if the oil itself looks good, then i beleive (for what ever thats worth) that it is not coolant. Did you change the oil yet Hippo?
    1997 Grand prix GT Black Coupe- The beater
    1998 Grand prix GT Black coupe- Top swapped, XP cam
    2008 Grand prix Midnight blue- The slow but nice car
    1999 Chevrolet Silverado red ext. Cab
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  3. #3 Re: Strange Yellow Residue on Oil Cap? 
    I live here. brandonl2000's Avatar
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    OMG 2 pages in and you have nothing but what somebody and others have told you.

    You, Hippo, Joe, GO yourself and look at that engine. You be a big boy and you pop that hood! Look at the valve cover, then look between the head and the intake (like blue said) and see if it's a piece of plastic there or a piece of metal. THEN you will know for yourself if you have the chance of a coolant leak. And we shall take it from there.

    Go on. Take the first step.
    2003 Grand Prix GTP-3.5 setup, sold it, miss it
    2002 Grand Prix GT-top swap, GT1 Cam, SD Headers, 90# springs, 42.5 injectors, 3.4 pulley - sold
    2012 Chevrolet Cruze LTZ-Summit White, 1.4Turbo
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  4. #4 Re: Strange Yellow Residue on Oil Cap? 
    SE Level Member deangtp's Avatar
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    My car had that stuff not that long ago. Changed the oil, nothing wrong with my oil.
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  5. #5 Re: Strange Yellow Residue on Oil Cap? 
    GTP Level Member BlackGT97's Avatar
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    whats the verdict hippo??????
    1997 Grand prix GT Black Coupe- The beater
    1998 Grand prix GT Black coupe- Top swapped, XP cam
    2008 Grand prix Midnight blue- The slow but nice car
    1999 Chevrolet Silverado red ext. Cab
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  6. #6 Re: Strange Yellow Residue on Oil Cap? 
    Because Wet Leaves Hippo Machine's Avatar
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    I changed the oil and it wasn't milky and there was no metal that I could see.

    I don't even know where to look for the lim gasket, but I'm sure its metal.

    I'm sure it was just moisture.


    iLoveSpade
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  7. #7 Re: Strange Yellow Residue on Oil Cap? 
    I live here. brandonl2000's Avatar
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    i tried tellin this kid 3 times where to look for the LIM gasket. BETWEEN the INTAKE and the HEAD. or to make it simple, look at the front valve oover and just follow it down. either you're gonna see the thin piece of metal or a fat piece of plastic between them. one or the other.

    i just do not comprehend how you can say, "yes im sure it's metal" without seeing that it's metal.
    2003 Grand Prix GTP-3.5 setup, sold it, miss it
    2002 Grand Prix GT-top swap, GT1 Cam, SD Headers, 90# springs, 42.5 injectors, 3.4 pulley - sold
    2012 Chevrolet Cruze LTZ-Summit White, 1.4Turbo
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  8. #8 Re: Strange Yellow Residue on Oil Cap? 
    GTP Level Member BlackGT97's Avatar
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    Quote Originally Posted by brandonl2000 View Post
    i tried tellin this kid 3 times where to look for the LIM gasket. BETWEEN the INTAKE and the HEAD. or to make it simple, look at the front valve oover and just follow it down. either you're gonna see the thin piece of metal or a fat piece of plastic between them. one or the other.

    i just do not comprehend how you can say, "yes im sure it's metal" without seeing that it's metal.
    lets give him a break. ill show you where to look hippo, give me a second. dont feel bad either hippo, im your age (well around your age..18). but i was raised up in the thumb of michigan and have been around this stuff.
    1997 Grand prix GT Black Coupe- The beater
    1998 Grand prix GT Black coupe- Top swapped, XP cam
    2008 Grand prix Midnight blue- The slow but nice car
    1999 Chevrolet Silverado red ext. Cab
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  9. #9 Re: Strange Yellow Residue on Oil Cap? 
    GTP Level Member BlackGT97's Avatar
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    look on the side the pullys are on

    1997 Grand prix GT Black Coupe- The beater
    1998 Grand prix GT Black coupe- Top swapped, XP cam
    2008 Grand prix Midnight blue- The slow but nice car
    1999 Chevrolet Silverado red ext. Cab
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  10. #10 Re: Strange Yellow Residue on Oil Cap? 
    Because Wet Leaves Hippo Machine's Avatar
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    ok, THANK YOU


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  11. #11 Re: Strange Yellow Residue on Oil Cap? 
    I live here. brandonl2000's Avatar
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    Alrite. We gone try one mo 'gain.

    Go to vehicle, said Grand Prix, open le hood.

    Step 2: Look at your vehicle from this prospective:

    STEP 3: remove engine cover if you have it, and look at the valve cover. seen here NOTE: gasket can even be seen this far away, but just in case, the following steps will help you get a close up :

    Step 4: go to the top right of your front valve cover, as seen in the above pic, and LOOK where my finger is pointing. do you see that shiny stuff between the intake and the head? THAT sir is your gasket. seen here:

    AND ALSO. seen here, this time no fingers. remember, baby steps.
    2003 Grand Prix GTP-3.5 setup, sold it, miss it
    2002 Grand Prix GT-top swap, GT1 Cam, SD Headers, 90# springs, 42.5 injectors, 3.4 pulley - sold
    2012 Chevrolet Cruze LTZ-Summit White, 1.4Turbo
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  12. #12 Re: Strange Yellow Residue on Oil Cap? 
    GrandPrix Junkie CrazyGuy03's Avatar
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    Quote Originally Posted by brandonl2000 View Post
    Dude what died on your valve cover?
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  13. #13 Re: Strange Yellow Residue on Oil Cap? 
    I live here. brandonl2000's Avatar
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    Quote Originally Posted by crazyguy03 View Post
    Dude what died on your valve cover?
    lmaoooo.

    wellll when i done the intake job and vc job i cleaned the valve covers with brake clean i think. and yeahhh im not sure what that is. it just kinda appeared. its not blood by any means. who knows. ill get it off one day.
    2003 Grand Prix GTP-3.5 setup, sold it, miss it
    2002 Grand Prix GT-top swap, GT1 Cam, SD Headers, 90# springs, 42.5 injectors, 3.4 pulley - sold
    2012 Chevrolet Cruze LTZ-Summit White, 1.4Turbo
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  14. #14 Re: Strange Yellow Residue on Oil Cap? 
    Because Wet Leaves Hippo Machine's Avatar
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    Quote Originally Posted by brandonl2000 View Post
    lmaoooo.

    wellll when i done the intake job and vc job i cleaned the valve covers with brake clean i think. and yeahhh im not sure what that is. it just kinda appeared. its not blood by any means. who knows. ill get it off one day.
    It's rat period blood.


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  15. #15 Re: Strange Yellow Residue on Oil Cap? 
    GXP Level Member z3r0's Avatar
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    Quote Originally Posted by TLSheff View Post
    I'm a Sex Offender
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  16. #16 Re: Strange Yellow Residue on Oil Cap? 
    GXP Level Member Tuner-Extraordinaire's Avatar
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    Quote Originally Posted by z3r0 View Post
    All day, Everyday.
    Whine with your Cheese?
    Stock+Self Tuned. Going for low 14's everyday.
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  17. #17 Re: Strange Yellow Residue on Oil Cap? 
    GXP Level Member Tuner-Extraordinaire's Avatar
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    Get an AEM that doesn't look like a marshmallow.
    Whine with your Cheese?
    Stock+Self Tuned. Going for low 14's everyday.
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  18. #18 Re: Strange Yellow Residue on Oil Cap? 
    Turbo is the way to go. BillBoost37's Avatar
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    Hippo..

    You are doing the right thing in this case. That milkiness is not necessarily coolant. It could be simple condensation between the hot/cold weather patterns and that you don't drive the car very far.

    A significant amount of water/coolant in the oil after being run would show itself as the oil appearing milky throughout.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  19. #19 Re: Strange Yellow Residue on Oil Cap? 
    Because Wet Leaves Hippo Machine's Avatar
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    its been pouring outside. I know where to look, I just haven't had the chance nub!


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  20. #20 Re: Strange Yellow Residue on Oil Cap? 
    I live here. brandonl2000's Avatar
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    aw hell naw you didnt call me nub!

    it's raining here too but guess what i checked out my car.
    2003 Grand Prix GTP-3.5 setup, sold it, miss it
    2002 Grand Prix GT-top swap, GT1 Cam, SD Headers, 90# springs, 42.5 injectors, 3.4 pulley - sold
    2012 Chevrolet Cruze LTZ-Summit White, 1.4Turbo
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