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Discuss Where is the GM trans Pressure Control Solenoid ? in the alt.autos.gm forum at Car Dealer Forums; Hi group, I own a 2000 Chevy Venture. After intermitent trans hard shifting + whining ...
  1. #1
    Jean-Abdoul Svenson
    Guest

    Default Where is the GM trans Pressure Control Solenoid ?

    Hi group,

    I own a 2000 Chevy Venture. After intermitent trans hard shifting + whining
    sound, I need to change the trans PCS (#10478146) but i dont know where is
    it located (nothing in the Haynes).

    Thanks for any insight!

    Christophe





    › See More: Where is the GM trans Pressure Control Solenoid ?

  2. #2
    steve@hgh.ws
    Guest

    Default Re: Where is the GM trans Pressure Control Solenoid ?


    Jean-Abdoul Svenson wrote:
    > Hi group,
    >
    > I own a 2000 Chevy Venture. After intermitent trans hard shifting + whining
    > sound, I need to change the trans PCS (#10478146) but i dont know where is
    > it located (nothing in the Haynes).
    >
    > Thanks for any insight!
    >
    > Christophe



  3. #3
    steve@hgh.ws
    Guest

    Default Re: Where is the GM trans Pressure Control Solenoid ? Hard shifting Venture Van

    Jean-Abdoul Svenson wrote:
    > Hi group,
    >
    > I own a 2000 Chevy Venture. After intermitent trans hard shifting + whining
    > sound, I need to change the trans PCS (#10478146) but i dont know where is
    > it located (nothing in the Haynes).
    >
    > Thanks for any insight!
    >
    > Christophe


    Dear Christophe:

    I also own a 2000 Venture with the same problem. The pressure switch
    is inside the transmission and you are looking at about $30 part and
    $750 labor charge.

    GM will not help you on this COMMON problem.

    Changing the trans oil a number of times does not help, I have tried
    that!

    I understand "dirt/varnish" builds up in the pressure switch which
    keeps it from working correctly.

    When the trans is cold, it shifts correctly. The problem appears to
    get worst with heat.

    This problem does not cause a trouble light or check engine message to
    come on. However, if the dealer plugs his GM scanner into your car,
    THEY can pull a code and will know the pressure switch is no good.
    When we had our van "scanned" they told us the pressure switch was bad,
    the good news is the transmission is not slipping.

    The dealer also offered us $1,500 on a trade-in. Not a very good
    investment on our part!

    Apparently you cannot "hide" a problem from GM's scanner.

    I then made several trips to Walmart and AutoZone looking for a "fix in
    a bottle". Nothing worked.

    A few days ago I ran into a product called "TransTune" for $6.15 with
    tax. This product was different than the other products I tried. It
    cleans "gum and varnish".

    The directions on the bottles were not clear.

    It said "use 1/2 of a can and drive 5 miles" then change the trans
    oil.

    I wanted to use a full can, maybe more than one can! I called the
    company. The guy I talked to was the son of the original inventor. I
    told him I wanted to use more than one can to "really clean the
    pressure switch out". He would not even let me use a full can, just
    1/2 of a can.

    Within the first mile I could not believe how well the trans shifted!
    It has never shifted so smoothly!!!!!!!

    I then jumped hard the gas and the trans still shifted smoothly.

    Since I have added the product, we have not encounter any hard shift
    and the problems appears to be FIXED.

    Best $6 I have ever spent!!!!!!!!!!

    If the trans oil needs to be changed, use a 1/2 can, drive a week,
    replace the oil and filter and then but the other half of the can into
    your trans.

    The details on the product can are as follows:

    Brand: Seafom
    Product name: TRANSTUNE
    Sea Foam Sales Co.
    PO Box 5178, Hopkins MN 55343
    http://www.seafoamsales.com/

    If it works on your van, spread the word.

    Regards,

    Steve


  4. #4
    core
    Guest

    Default Re: Where is the GM trans Pressure Control Solenoid ?

    On Fri, 11 Aug 2006 09:59:53 +0200, "Jean-Abdoul Svenson"
    <jeveudurabdefrit@lacantoch.com> wrote:

    >Hi group,
    >
    >I own a 2000 Chevy Venture. After intermitent trans hard shifting + whining
    >sound, I need to change the trans PCS (#10478146) but i dont know where is
    >it located (nothing in the Haynes).
    >
    >Thanks for any insight!
    >
    >Christophe


    You need to remove the case side cover.........

  5. #5
    Junior Member
    Join Date
    Jun 2009
    Posts
    1

    Default

    I own a 2000 Pontiac Montana SWB. I have replaced the Pressure control solenoid twice. Cost me about $750 both times. Each solenoid just lasted approx. 60,000 km. It needs replacing again. I noticed an owner of a 2000 Chevy Venture Van had good luck with a Seafoam product calles Trans Tune. Has anybody else used this product with similar success? I have ordered a can of this product and will be adding to the transmission as soon as I get it. Any suggestions or comments would be greatly appreciated.


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