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Cadillac Seville / Cadillac Eldorado Forum Discussion, Ignition/Abs/Traction/Trans/Belt fun stuff issues for the newbie in Past Cadillac Vehicle Discussion; : :...
  1. #16
    frenzicadi's Avatar
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    Re: Ignition/Abs/Traction/Trans/Belt fun stuff issues for the newbie

    ::

  2. #17
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    Re: Ignition/Abs/Traction/Trans/Belt fun stuff issues for the newbie

    ok so i got the oxygen sensor, went to my mechanic friend to have it changed. again, the sensor is bank 2 sensor 1 - aka, behind the engine on top next to manifold, a crappy reach.
    so as hes looking down he sees something disconnected. its the pipe on the right side of the sensor, about 4 inches in diameter. looks like 2 bolts hold it together. it was disconnected, not bolts, and air blowing out of it with engine on, which is giving false readings to the sensor. this is what my mechanic says. next, he says i need to have it welded together and says it should cost me 200. any body ever experience this? have any idea what im talking about? any advice?!

  3. #18
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    Re: Ignition/Abs/Traction/Trans/Belt fun stuff issues for the newbie

    The rear of the engine is bank 1. Bank 1 on any engine is the one with cyl#1, making the front bank 2.

  4. #19
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    OK so the front oxygen sensor may still be bad.. Where is that one located?
    And what about the welding issue I have next to the oxygen sensor on the coil side?

  5. #20
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    Re: Ignition/Abs/Traction/Trans/Belt fun stuff issues for the newbie

    Sensor is on the front manifold facing the trans.
    Not sure about the other thing. You sure it's 4" in diameter?

  6. #21
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    Re: Ignition/Abs/Traction/Trans/Belt fun stuff issues for the newbie

    The other thing sounds like the EGR pipe connection to the exhaust manifold. Should be about a 1/2" pipe, and it runs up around the drivers side rear of the engine and ends up at the EGR valve next to the throttlebody.

    Part 7 in the image below, its not available from GM any more, need to get one off a donor car.

    9508176M03-073.png


    The only things down by the O2 sensor that is anywhere near 4" in diameter (and its really about 2 1/2 or 3") is the 1) rear exhaust manifold to exhaust pipe flange 2 bolts, 2) the front exhaust manifold crossover pipe to exhaust pipe flange 2 bolts and 3) the front flange to the calalytic converter, and its held to the exhaust manifold with 4 bolts.

    9608286M03-056.png

  7. #22
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    Re: Ignition/Abs/Traction/Trans/Belt fun stuff issues for the newbie

    The only things down by the O2 sensor that is anywhere near 4" in diameter (and its really about 2 1/2 or 3") is the 1) rear exhaust manifold to exhaust pipe flange 2 bolts, 2) the front exhaust manifold crossover pipe to exhaust pipe flange 2 bolts and 3) the front flange to the calalytic converter, and its held to the exhaust manifold with 4 bolts.

    Attachment 169409[/QUOTE]

    Thats it!! #16. looks like the connector on the right. that is partially open, i put some baby powder on it with the car on and it blew the powder right back up. there's definitely a gap there. i can see where the 2 bolts should be holding it together but there's nothing there. just a good gap... half an inch to an inch gap.
    My mechanic says get it welded it together. I say get a clamp to pull the 2 together and get 2 more bolts in there... or weld... although i'd like some advice from my fellow forum buddies.

    on a side note, i still haven't installed the oxygen sensor due to reasons explained above. However, i did buy an icm (ignition control module) that came with the coils for $75.
    any specific instructions to replace this piece? i see 4 bolts to take apart, disconnect wires and connections, and just replace? is there a certain cleaning i can do to the connections? certain grease to use? cotton swab to get in there?

  8. #23
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    Re: Ignition/Abs/Traction/Trans/Belt fun stuff issues for the newbie

    Really? The engine pipe is open?
    It must sound like crap.

  9. #24
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    Actually no, car sounds beautiful. The roar is incredible and she cruises like a dream. Just the problems I listed...

  10. #25
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    Re: Ignition/Abs/Traction/Trans/Belt fun stuff issues for the newbie

    filled up antifreeze 3 days ago.. driving around today and noticed she started overheating. went home turned off waited a couple hours, started filling antifreeze, about %80 of the bottle went into the car... i looked under the car and saw no leaks going on. could the leak be happening only while i drive? is there somewhere else this antifreeze is magically disappearring to?

  11. #26
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    Quote Originally Posted by frenzicadi View Post
    filled up antifreeze 3 days ago.. driving around today and noticed she started overheating. went home turned off waited a couple hours, started filling antifreeze, about %80 of the bottle went into the car... i looked under the car and saw no leaks going on. could the leak be happening only while i drive? is there somewhere else this antifreeze is magically disappearring to?
    Time to do a block test my friend. You can get this kit from most parts stores, it tests for exhaust gases in the coolant system.
    Past Cadillac's

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  12. #27
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    Don't scare my friend... That's the last thing I want to worry about...

    I changed the ignition module, left all the original coils. When i first started the car after changing it i had 2 cranks and a loud bang!!! Let it sit for a few minutes and then she turned over and drove around the block with no issues. However it still doesn't turn over on the First crank! What else could it be?!?! Coils? Wires?? Spark plugs??? I don't think that could affect crank time. And my ignition warning is still up on the display... Please helpp

  13. #28
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    Re: Ignition/Abs/Traction/Trans/Belt fun stuff issues for the newbie

    Make sure the big green ground wire is in place between the ICM plate and the engine block. All kinds of issues can pop up if the ICM is not properly grounded.

  14. #29
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    Re: Ignition/Abs/Traction/Trans/Belt fun stuff issues for the newbie

    Quote Originally Posted by Mark C View Post
    Make sure the big green ground wire is in place between the ICM plate and the engine block. All kinds of issues can pop up if the ICM is not properly grounded.
    cannot find it................................. =[

    20131220_225328.jpg

    20131220_225335.jpg

    20131220_225339.jpg

  15. #30
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    Re: Ignition/Abs/Traction/Trans/Belt fun stuff issues for the newbie

    It's part number 3 in the image below and it runs from the passenger side face of the rear head, to the front top of the ICM.

    0005056M02-031.png

    You can just make one up, out of a piece of 8 or 10 gauge wire and a couple of crimp on connectors, its only about 4 inches long.

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