Thread: Overheating issue! Help!!

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  1. #1 Overheating issue! Help!! 
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    my 3.8 started overheating the other day and I cant figure out what the problem is...there is smoke coming from the oil dipstick and filler.but there is oil is there but now its sludge of course. cant see any water leaks...but there is a hissing sound around the top of where the top intake manifold is.could it be a back intake gasket causing all this? thought it was the head gaskets at first but I dont have any smoke coming out the tailpipe and it dosent look like there is water getting into my oil. I need some advice cuz I dont wanna do a head gasket job and find out it was somthing way different. HELP! I took a video of where the smoke was coming from. heres my dropbox link... I really hope someone can help me out and thank u ahead of time! -Mike


    https://www.dropbox.com/s/9i91cusjct...808_152712.3gp
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  2. #2 Re: Overheating issue! Help!! 
    GrandPrix Junkie
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    The smoke you're seeing is the super awesome valve cover gasket leaking oil onto the exhaust manifold. That, however, is not the source of your overheating concerns. How has the maintenance history been on the car? LIM gaskets replaced at some point? Water pump look good? Thermostat changed? What coolant is in there; dexcool or green? Does it overheat all the time, cruising down the road, sitting at idle, etc? In other words, the details are necessary for proper diagnosis.
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  3. #3 Re: Overheating issue! Help!! 
    Killa Bee Scottydoggs's Avatar
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    step one, de grease that nasty engine. find your coolant leak, elbows, water pump, cracked rad, bad hose ect.

    after you clean the engine, change your valve cover gaskets. fix what you find for a leak.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  4. #4 Re: Overheating issue! Help!! 
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    I can go about 2 or 3 miles and then it will start to move up and then go up to bout 3/4 of the way...stay for a minute or so and then start redlining.dosent matter if I stop or let off the gas or anything.once in awhile it will start going down bout halfway when I start moving again but then it will shoot back up to red
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  5. #5 Re: Overheating issue! Help!! 
    Killa Bee Scottydoggs's Avatar
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    you have refilled the rad right?

    you could have no coolant, or a stuck t stat. or air in the system.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  6. #6 Re: Overheating issue! Help!! 
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    I have kept up good with the car as far as maintenance.except for the gaskets.I have never changed them.I have only had the car alittle over a year and no problems at all until now
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  7. #7 Re: Overheating issue! Help!! 
    Killa Bee Scottydoggs's Avatar
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    not what i asked. have you refilled? or checked the coolant level since its overheated?

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  8. #8 Re: Overheating issue! Help!! 
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    ya yesterday when I checked it out again the rad was bone dry but the coolant tank was full.yesterday was the first time in a week that I started it since it messed up.after I filled the rad and bought a new cap, I left in idle for bout 10mins and it didnt overheat at all.but I didnt drive it though.cuz there is alot of rattleing from the engine now so i think I prolly jacked up the lifters and stuff from it burning up so bad.
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  9. #9 Re: Overheating issue! Help!! 
    Killa Bee Scottydoggs's Avatar
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    post a vid if you can. hold the throttle at say 2500 rpm's for a few seconds, then let it drop back to idle.

    could be a spun bearing or a rod bearing gone bad.

    or if your lucky its the water pump. you can take the belts off run the car for a minute with no belts, if the sound is gone something on the front of the engine is making it.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  10. #10 Re: Overheating issue! Help!! 
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    ok ill do that.thats another thing.when its in idle and I rev it alittle and then let off completely it will try to sputter out.
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  11. #11 Re: Overheating issue! Help!! 
    Killa Bee Scottydoggs's Avatar
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    hard to say over the net. could be a vac leak or something, or one of the pulleys on the front of the engine are seizing up and holding the engine back. seen a/c compressors lock up a engine rock solid.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  12. #12 Re: Overheating issue! Help!! 
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    ya.I know what u mean.im prolly just gonna sell it cuz i cant afford to pour a whole lot of $ into it right now anyways
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  13. #13 Re: Overheating issue! Help!! 
    GTP Level Member indygrandprix's Avatar
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    To do the LIM gaskets, waterpump, coolant elbows, and valve cover gaskets it will probably cost you around 100-130 dollars if you get the parts from rock auto. If you've got a rod knock then you may want to sell. But if it's just gasket issues it's not hard to fix
    Quote Originally Posted by BillBoost37 View Post
    I went NA when a whore left -$300 in my bank account.
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  14. #14 Re: Overheating issue! Help!! 
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    ya but right now thats alot of money cuz im homeless at the moment.trying to find a house for the last 3months.in my town rentals r hard to come by right now..
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  15. #15 Re: Overheating issue! Help!! 
    Killa Bee Scottydoggs's Avatar
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    lim gaskets can wait. but if its a water pump or elbows that leaked, those are dirt cheap, w/p is like 40 bucks, elbows are like 10.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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