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Cadillac Tech Tips - How to fix it Discussion, How To Clean the Throttle Body in Item Specific Cadillac Discussion; Uh oh I used the Walmart Carb cleaner...Much better response now! But I see some threads after the writeup about ...
  1. #76
    shorecc is offline Cadillac Owners Member
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    Re: How To Clean the Throttle Body

    Uh oh I used the Walmart Carb cleaner...Much better response now! But I see some threads after the writeup about the Walmart cleaner...Will i be in trouble? I used nearly a whole can cleaning my TB

  2. #77
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    Re: How To Clean the Throttle Body

    Quote Originally Posted by shorecc View Post
    Uh oh I used the Walmart Carb cleaner...Much better response now! But I see some threads after the writeup about the Walmart cleaner...Will i be in trouble? I used nearly a whole can cleaning my TB
    No..

  3. #78
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    Re: How To Clean the Throttle Body

    Just found this post and will clean my 98 Eldo that has 107,000 miles on it, has a sticky gas petal, and never cleaned. I wasn't aware this needed to be done on a regular basis. Thanks for the great pics and steps to do it. A friend recommended using Sea Foam Deep Creep.
    I used their fuel injector product which works good. I'll check to make sure it doesnt have MEK in it as commented in the posts.
    Thanks again, , Jim

  4. #79
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    Re: How To Clean the Throttle Body

    Leave the Seafoam on the shelf - all versions of it.

    Use a spray can of Choke & Throttlebody cleaner, an old toothbrush, lint-free rags and fuzzy hobby pipe cleaners (craft stores).

    For your 1998, the MAF is bolted directly to the throttlebody face. Remove it, clean the electrical connector, and don't mess with the heated resistor stack in the MAF bore.

  5. #80
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    Re: How To Clean the Throttle Body

    SL1CK,

    Nice procedure. Just cleaned mine for the first time in 15 years since I bought the car new using Seafoam Deepcreep and a toothbrush.
    Did it several times and the car started right up after. It also fixed my sticky gas pedal which I had for some time. Thanks again, Jim

  6. #81
    gpmroy is offline Cadillac Owners Member
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    Re: How To Clean the Throttle Body

    I cleaned the TB this morning, there was a ton of sludge behind the TB but you can only reach so far, but it is now as clean as i could get it. Beyond where I could reach, I think the intake manifold, is just full of that sludge, is there any way to get that clean, or is it not a concern??
    The car started with no concerns, no stalling yet, I will follow up on this thread if the stalling returns.
    By the way, do you have an answer for the SECURITY LIGHT coming on??

  7. #82
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    Re: How To Clean the Throttle Body

    Quote Originally Posted by gpmroy View Post
    Beyond where I could reach, I think the intake manifold, is just full of that sludge, is there any way to get that clean, or is it not a concern??
    It's of no concern. Won't affect a thing.

  8. #83
    Hogg_61 is offline Cadillac Owners Member
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    Re: How To Clean the Throttle Body

    Awesome write up SL1CK! I cleaned mine a few weeks ago and what a difference! I also replaced the TPS which was a pain - I had to unbolt the throttle body to get the torx drive on the bolt and since it was off I cleaned the back of the TB too.

  9. #84
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    Re: How To Clean the Throttle Body

    I was suggested to clean the TB by several people.
    Im fairly mechanically inclined, but never done this before.
    I have a 2000 STS recently stalled a few times.
    I figrued Id clean TB before changing CKP.

    So....I got in there, removed the air intake and all that.
    Then opened the blade of the throttle with my fingers.....sprayed a ton of CRC throttle cleaner in there....wiped with a clean rag around and behind the blade.....repeat and repeat....

    Sound like I did anything wrong/right?

    The car didnt start until the 3rd or 4th time I tried to turn it over after the procedure.....but I wasnt too worried, as I assumed it was from having the intake off and finger-banging the throttle blade, cleaner....etc.

    It eventually started fine and I let it run for a while.

    Just wondering if I need to do anything differently the next time.

    Thanks.

  10. #85
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    Re: How To Clean the Throttle Body

    Quote Originally Posted by BigErn23 View Post
    ......
    Just wondering if I need to do anything differently the next time.

    Thanks.

    Next time stuff a lint free cloth into the throat of the throttle body to soak up all the overspray. Just remember to remove the rag before trying to restart. You will notice the vehicle starts up on the first try.
    The above post is my 2 cents....nothing more.

  11. #86
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    Re: How To Clean the Throttle Body

    Ok....will do, Thanks!

  12. #87
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    Re: How To Clean the Throttle Body

    Question... Will carb cleaner destroy the rubber boot that goes between the TB and the intake on a 02 Northstar?

  13. #88
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    Re: How To Clean the Throttle Body

    No - and if you get anything more than a trace of TB cleaner all the way to the plenum, you have used too much.

    I block open the throttle blade using a piece of 2 X 2 wedged against the driver's seat front and the gas pedal - move the seat forward to force the throttle open. If you are antsy about overspray, stuff a clean lint free rag into the TB past the open blade. Now scrub with your old toothbrush until the bore and blade looks brand new. Pull the now-filthy rag with needlenose pliers or mechanic's fingers.

    Seriously consider this modification that makes underhood and transmission level checks a LOT easier.

  14. #89
    LoveMyLac is offline Cadillac Owners Member
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    Re: How To Clean the Throttle Body

    Thank you for the tutorial. Cleaned mine today, first time I've ever done it. With 77k on my 2001 DeVille DTS it has probably been cleaned once before but it still needed it. Used an old t-shirt for a rag and toothbrush along with CRC throttle body cleaner. Took about 15 mins. Toothbrush will never been the same haha. Completely black!

  15. #90
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    Re: How To Clean the Throttle Body

    Sorry to bump up such an old thread, but it's great that this is still being used by CF members. I wrote the article nearly 10 years ago, when I about 16 years old. I'm 25 years old now. What a long way we have come! I still have my beautiful Seville and don't plan on ever letting it go!
    CaddyGas likes this.

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