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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

Mark Kovalsky Mark Kovalsky is offline

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Visitor Messages

Showing Visitor Messages 1 to 10 of 410
  1. Noahvan
    08-17-2014 03:12 PM - permalink
    Noahvan
    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

    Noah

    PS if you have any Kawasaki or Bobcat questions let me know, I worked for Kawasaki for 10 years and now for Bobcat.
  2. edtahaney
  3. 04badford
    07-31-2014 07:36 PM - permalink
    04badford
    http://www.ford-trucks.com/forums/13...urbo-fart.html
    Here we go , Thanks for checking In Mark
  4. 04badford
    07-30-2014 10:01 PM - permalink
    04badford
    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
  5. 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.
  6. cherrybomb37
    07-28-2014 12:17 PM - permalink
    cherrybomb37
    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 ???
  7. Mark Kovalsky
    07-25-2014 02:03 PM - permalink
    Mark Kovalsky
    I wouldn't drop the pan. You won't learn anything there. It needs either a pump or a forward clutch, or maybe both. Either one takes removing the trans.

    The forward clutch failure is often caused by overheating the forward clutch, such as rocking the truck to get it unstuck.
  8. cliff_mennenger
    07-25-2014 09:36 AM - permalink
    cliff_mennenger
    Thanks for the reply. This unit has 134,000 miles and lots of idle time.
    1. Is it even worth dropping the pan?
    2. Is there a repair option for this other than a rebuild?
    3. Seems like the forward clutch failure is common in these units. Is the seal failure caused by overheating?
    Thanks for help so far. I do appreciate it.
    Cliff
  9. cliff_mennenger
    07-24-2014 10:43 PM - permalink
    cliff_mennenger
    Mark,
    I'm not a transmission tech. However I have a 2003 F-250 with a 4R100 that the owners want my opinion on the transmission before deciding on a repair path. The symptoms and concerns are listed below:
    1. Transmission is hesitating before softly engaging 1st gear.
    2. Engine rpm has to be brought to 1200 rpm +/- before line pressure seems to be high enough to engage the forward clutch pack.
    3. Fluid is not burned and is at the correct level.
    4. No DTC's are present.
    5. If I drop the pan and find no debris is it possible that the solenoid pack can be replaced to correct the line pressure?
    6. Is there a PID group that can be monitored via IDS or aftermarket scan tool to get a quick and concise picture of the transmission health or condition? This is for a good customer however I probably wont do anything but the R & I. Thanks in advance.
    Take care,
    Cliff
  10. Wheelman55
    07-18-2014 03:35 PM - permalink
    Wheelman55
    Mark...here's a link to the thread:

    http://www.ford-trucks.com/forums/13...460-cu-in.html

About Me

  • About Mark Kovalsky
    Biography
    Former Ford automatic transmission engineer.
    Location
    SE Florida
    Interests
    Flying, Antique cars and fire trucks.
    2 Letter State/Province (use "--" for outside USA/
    FL
    Country
    USA
    Make
    Ford
    Model
    Econline or E-Series
    Year
    2002
    Current Mileage
    125,000 - 149,999
    Miles per year
    0 - 999
    Ride
    2002 E350
    Engine type and displacement
    V10
    Induction
    N/A
    Horsepower
    0
    60 foot time
    0
    1/8 Mile ET
    0
    1/8 Mile MPH
    0
    1/4 Mile ET
    0
    1/4 Mile MPH
    0
  • Signature
    Mark
    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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General Information
  • Last Activity: Yesterday 09:09 PM
  • Join Date: 08-13-1999
  • Referrals: 1

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Vehicle Info: 2015 Aerostar



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