Thread: List possible oil leaks? :(

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  1. #1 List possible oil leaks? :( 
    GT Level Member m17davis's Avatar
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    Alright. I replaced the front gasket ( the crank seal was fine), oil pan gasket, v\c gaskets,oil filter housing gasket and its still pouring out oil. The only other thing I can think of is the oil pressure sensor. Do you guys have any ideas?
    Ported Gen III ~ 3.4 ~ HAI ~ 180stat ~ 605's ~ Speed Daddy's ~ SLP Catback ~ A/C delete ~ Aluminum Sub-frame ~ AGX Coilovers ~ Vinnie Spacers ~ Fusebox & PCM Relocation ~ Wire Tuck
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  2. #2 Re: List possible oil leaks? :( 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    either the oil level sensor or the oil pressure sender could be leaking. teflon tape on the threads helps.

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  3. #3 Re: List possible oil leaks? :( 
    GT Level Member m17davis's Avatar
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    Where is the oil pressure sender in referance to the sensor?
    Ported Gen III ~ 3.4 ~ HAI ~ 180stat ~ 605's ~ Speed Daddy's ~ SLP Catback ~ A/C delete ~ Aluminum Sub-frame ~ AGX Coilovers ~ Vinnie Spacers ~ Fusebox & PCM Relocation ~ Wire Tuck
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  4. #4 Re: List possible oil leaks? :( 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    on the oil filter neck going to the block. you'll see it.

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  5. #5 Re: List possible oil leaks? :( 
    GT Level Member m17davis's Avatar
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    I thought that was the sensor lol. Where's the sensor than?
    Ported Gen III ~ 3.4 ~ HAI ~ 180stat ~ 605's ~ Speed Daddy's ~ SLP Catback ~ A/C delete ~ Aluminum Sub-frame ~ AGX Coilovers ~ Vinnie Spacers ~ Fusebox & PCM Relocation ~ Wire Tuck
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  6. #6 Re: List possible oil leaks? :( 
    GrandPrix Junkie
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    The oil pressure sensor is in the oil filter adapter housing. The oil level sensor is the big sensor that is screwed into the front edge of the oil pan.

    Did you replace the valve cover grommets when you did the V/C gaskets? Could be leaking from there still.

    Where exactly is it "pouring" oil from?
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  7. #7 Re: List possible oil leaks? :( 
    GTP Level Member Bedwards's Avatar
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    Did you RTV the front cover gasket and the oil pan gasket, at where they meet?
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  8. #8 Re: List possible oil leaks? :( 
    Turbo is the way to go. BillBoost37's Avatar
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    What is the origin area of the oil?
    If you don't know. Clean the snot outta the engine and run just enough to get an idea.

    Get under and look up. You'll see oil seeping down the heads if it's the valve covers. Speaking of VC's did you use new grommets?. Look at the oil filter area, any leaks should be obvious. Now.. leak at the front cover is possible, as is the front main seal. Then there's the tougher ones. If the back end of the oil pan is wet (trans end) that can commonly be the rear main cover. The bolts are on w/o threadlock and at such a retardedly low torque that they do back out and cause a leak. Another is teh oil pan. Sometimes misdiagnosed though.
    I drink..so consider that when reading my posts.

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  9. #9 Re: List possible oil leaks? :( 
    GT Level Member m17davis's Avatar
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    It actually was the oil pressure sensor. Thanks guys!
    Ported Gen III ~ 3.4 ~ HAI ~ 180stat ~ 605's ~ Speed Daddy's ~ SLP Catback ~ A/C delete ~ Aluminum Sub-frame ~ AGX Coilovers ~ Vinnie Spacers ~ Fusebox & PCM Relocation ~ Wire Tuck
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  10. #10 Re: List possible oil leaks? :( 
    GrandPrix Junkie
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    Good deal! And thanks for posting the solution. May help someone else.
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  11. #11 Re: List possible oil leaks? :( 
    GTX Level Member Juanmiguel's Avatar
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    So I just found out today that my oil pressure sensor is also leaking (left a nice oil puddle outside my house). I replaced it with a local brand back in January, now it's busted again.

    What brands do you recommend? I was planning on either getting the Autozone brand or the one at the dealer.
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  12. #12 Re: List possible oil leaks? :( 
    Killa Bee Scottydoggs's Avatar
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    ive had 3 of them blow on me, i sealed mine up with a brass plug for now, down the road im going to just pop in a oil pressure gauge, and call it a day.

    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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  13. #13 Re: List possible oil leaks? :( 
    GrandPrix Junkie
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    Auto Meter - Oil Pressure Gauge

    Part Number: 3327

    Line: AUM
    • UPC: 46074033278
    • 2-1/16 Inch
    • 0 - 100 PSI
    • Short Sweep Electric
    • Includes 1/8 Inch NPT Sender, 1/4 Inch NPT Adapter/Fitting
    $77.99 Each

    OReilly's

    Here's you're solution. Comes w/ the sender. Just get yourself a 2 or 3 hole gauge pod for the pillar and wire it up. No chance of having oil inside the car either. I run this one in my GT and it works just fine.
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