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Mark Kovalsky has a superb reputationMark Kovalsky has a superb reputationMark Kovalsky has a superb reputationMark Kovalsky has a superb reputationMark Kovalsky has a superb reputationMark Kovalsky has a superb reputationMark Kovalsky has a superb reputationMark Kovalsky has a superb reputationMark Kovalsky has a superb reputationMark Kovalsky has a superb reputationMark Kovalsky has a superb reputation

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Showing Visitor Messages 1 to 10 of 414
  1. MadMatt65
    08-24-2014 09:09 AM - permalink
    After reading some here on FTE last night...from what I read, I need to use my 93 solenoid pack to avoid spiking the ECM. I believe the newer range sensor/neutral safety switch comes with different wiring plugs. Anything else to look at??
    P.S. I think I saw you're in Florida. Are you building trannys?? If so...how much??!!
  2. MadMatt65
    08-23-2014 05:56 PM - permalink
    Hey Mark!! A friend has a wrecked 95 Bronco, 5.8, E4OD with a recent rebuild. I've got a 1993 Bronco, 5.8 with a roached E4OD. Can I swap in his transmission or get mine rebuilt when I get about $2400.00??? (Jasper) Would I be opening a can of worms?? Thanks for any input!
  3. PatrickO
    08-23-2014 10:56 AM - permalink
    Regarding below:

    Please and thank you for any input. Had to remove the niceties and gratitude for character limits.

    No codes on OBD II OR true scanner.

    I have a line on a used but low mileage v10 5r110. Swapping tailshaft/housing should allow for a clean bolt up, I think..?
  4. PatrickO
    08-23-2014 10:53 AM - permalink
    Truck is an 03' Excursion, 4wd, 6.0, 5r110, 121k

    Background: Once in a blue moon failure to enter reverse, shift to park or neurtal and back to R, no problem.

    Scenario: Roadtrip up and down local mountain. Fluid quality and level good.

    Problem: Significant shift flare 3-5, with a light flare 2-3, 5-6. Also, I notice that off-idle (in drive, off brake and foot moving toward accelerator), my trans slip reads up to 50-60 RPM. When it successfully locks gear, it is able to put power to the wheels very well. If you miss, or try to gas into a flare it seems to rev and make no power. Possibly slipping 100% but it doesn't "feel" like a slip issue, if that makes sense.

    Fluid quality is still good with no debris. Negative disconnect and tranny re-learn but to no avail.

    Possible direct clutch solenoid and/or pressure control solenoid or fried clutch pack?


  5. Noahvan
    08-17-2014 03:12 PM - permalink
    Hi MarK

    Sorry to bug you but you are the expert and I have troubles!

    So after putting studs and replacing a HPOP my truck no longer shifts into 3rd. After it trips a code it will only stay in 1st until I reset it. When it tries to go into 3rd it is violent!

    Long story short: Replaced HPOP and the replacement failed after 400 miles (clip holding came out). When the engine shut off, I had it towed (transfer case was in neutral).

    After months of being bumped out I dove into it and found the HPOP failed, replaced it and did the studs at the same time.

    Got it together today and now it will not shift into 3rd. I get codes P0730 and p2704. I have a IDS but when looking at the transmissions screens I have no clue what to look for.

    Am I having bad luck or just missing something simple?

    Kind Regards


    PS if you have any Kawasaki or Bobcat questions let me know, I worked for Kawasaki for 10 years and now for Bobcat.
  6. edtahaney
  7. 04badford
    07-31-2014 07:36 PM - permalink
    Here we go , Thanks for checking In Mark
  8. 04badford
    07-30-2014 10:01 PM - permalink
    Hey Mark I have a tranny Q for you over in the 6.0 forum. look for turbo fart and that's the one, sorry I didn't tag a link
  9. Mark Kovalsky
    07-28-2014 02:24 PM - permalink
    Mark Kovalsky
    It could be any number of things. What seems obvious is that SOMETHING broke inside the trans and a piece was caught by the rotating parts and thrown through the case. It's rare, but it happens. And you're the lucky one that it happened to! Sorry about your bad luck.
    The only way to know is to remove the trans and tear it down.
  10. cherrybomb37
    07-28-2014 12:17 PM - permalink
    Hi Mark,
    You seem very knowledgeable with the 4R100 Auto trans Question for ya. Mine developed a vibration from 45-55 for a few hundred miles in OD then at 75mph made a loud boom and started venting fluid bad. I haven't really gotten a straight answer on what It could be. Id assume something to do with the OD drum. But I have never heard a trans go BOOM when it died or scene one dump fluid like that. I assumed it was Tcase while sitting on the side of the road but the tcase is fine, trans fluid was still clean, didn't smell burnt or discolored and the trans still had 7 qts in it. Any ideas ???

About Me

  • About Mark Kovalsky
    Former Ford automatic transmission engineer.
    SE Florida
    Flying, Antique cars and fire trucks.
    2 Letter State/Province (use "--" for outside USA/
    Econline or E-Series
    Current Mileage
    125,000 - 149,999
    Miles per year
    0 - 999
    2002 E350
    Engine type and displacement
    60 foot time
    1/8 Mile ET
    1/8 Mile MPH
    1/4 Mile ET
    1/4 Mile MPH
  • Signature
    Former Ford Automatic Transmission Engineer

    “The good thing about science is that it's true whether or not you believe in it.” ― Neil deGrasse Tyson


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  • Last Activity: Yesterday 03:58 PM
  • Join Date: 08-13-1999
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