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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 461
  1. simba38863
    03-20-2015 10:13 PM - permalink
    Thanks so much for the reply Mark .I searched every where for an answer before bothering you . Again Thanks very much ! Best to you and yours .
  2. simba38863
    03-20-2015 07:46 PM - permalink
    1999 F250 4R100 trans 5.4 Triton .Upon adding pressure gauge and temp gauge to the test port It reads maximum temp of 160-170 degrees with no load ,which I feel should be fine . I measured flow rate in park at idle and it measures a little over 1 quart output in 15 seconds . Pressure reading with wet gauge from the test port on left side of trans reads 70 psi at curb ideal , But in park or in forward gears the least amount of rpm's above idle the pressure goes to140-160 psi . Above idle pressure seams too high to me . I expected to see maybe pressure on the high side in reverse, which in reverse above idle goes to 140-160 . That to me seems even a little high .Is this normal or do I have a problem ? If such high pressures are not normal . What could cause this ? I 'ii also add that on a wet gauge o-140 psi above idle pegs out the 140 psi gauge . Any input will be GREATLY APPRECIATED ! My name is Rick by the way .
  3. hobbitwho
    03-14-2015 08:22 AM - permalink
    QUESTIONS: Strain from HEAVY weight or Temps tears apart Transmission? Towing in OD= OK and just take it out on climbs? Orange vs Yellow Solenoid? PWM or a TCC On/OFF Valve in the Pump?

    1999 Ford F-350, 7.3 Diesel 292,000 miles, towing laden weigh 16,000 lbs. Lose Forward Gears after REVERSING for greater than 50 feet, 30-40 times in 2 months but would return after 15-30 minutes, finally lost Forward Completely. Teardown revealed forward Clutches Burned.
    Transmission rebuilt TOWING in mind: Billet Triple Clutch Torque Converter, Transgo Tugger HD-2, High Energy Clutches and New Steels, Drum turned w/ 3 additional clutches, NEW Retaining Ring. UPGRADED Sprague Clutch and Bearing, One Piece bushing, 6 gear Steel Planetary, High Output Pressure Pump (PWM Pump) with larger gears, Shift Solenoids (Mine was Orange, he put a Yellow in and told me it was for Increased Pressure, never heard of before)), New Center Support, Deep Pan, 40K GVW Cooler and Gauges.
  4. Jeremy Setbacken
    03-13-2015 08:11 PM - permalink
    Jeremy Setbacken
    Aloha Mark, I've been reading your threads and hoping you could help. I was driving down a very steep hill with the o/d on in first and I noticed the temp started to drop. I checked the fluid level and continued driving. When I got to the HWY the O/D light flash. On my way back home it started shifting weird and my check engine light came on. I ended up changing the TFT Sensor and all was well for about 20 minutes. Then the exact same symptoms started again. I changed the sensor again. This time it worked for about five hours of drive time over the coarse of 2 day's and then the same thing again. I inspected the transmission harness both inside and out and cleaned the plugs and reinstalled the same sensor. the O/D light has yet to come on and the truck is now shifting fine but the temp keeps going from the cold line to normal but not all the way down like before. Any Idea what could be causing this? Could I have possibly gotten two bad sensors from the dealer?
  5. trott46
    03-08-2015 08:21 AM - permalink
    Thanks Mark. Yes fluid is at the correct level and looks and smells new. I guess I will have to find someone with an IDS scanner. I just hate paying dealer prices to plug a computer in and pull codes. Lol
  6. trott46
    03-07-2015 06:50 PM - permalink
    Hi mark. Sorry to bother you. I have a 2004 6.0 that the tranny is slipping out of gear when shifting not the higher gears(456). I have seen the "flare" posts but doesn't seem the same. Mine will hit neutral until I lift up on the throttle(under half to full throttle). Under light throttle I have very little issue. You have any ideas?
  7. amdriven2liv
    02-21-2015 02:58 AM - permalink
    Thanks Mark. Appreciate the Reps. And, I appreciate all the help you give us on the forums.
  8. heaffie
    02-12-2015 07:23 PM - permalink
    I have a 2003 F250 4x4 crew cab FX4 with the 4r100 transmission. It stays cool when normal driving but I hooked a trailer to it the other day and it was an equipment hauler with nothing on it. The transmission was close to overheating so I pulled over and let it cool. It did blow some fluid out of it. The transmission seems to downshift and upshift constantly under the least bit of acceleration. The truck has around 207000 miles and Im unsure or when it was serviced. Fluid is a little dark. Transmission cooler and AC condenser are clean as can be. I have done a lot of reading on the forums but don't know where to start.
  9. bottrot
    01-30-2015 06:27 AM - permalink
    Hello, I have 2000 E250 van that I put a new transmission in about 4 years ago. Worked perfectly until recently it doesn't shift to the lower gears. So it wants to start out in like 3rd or 4th gear. So it barely makes it from a stand still position and then starts working pretty good after getting up to like 30 m.p.h. Going up a hill or small incline at a lower speed. Barely makes it. It has a U on what type of transmission it is . It is a triton V8 5.8 l thanks for any help you can be. I appreciate it
  10. DBowers54
    01-25-2015 09:24 AM - permalink
    my f150 4.2 liter truck idle s up very high and will not go back down. ive already changed the TPS and the IAC sensors and also cleaned the trottle body. what is wrong with this engine?

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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General Information
  • Last Activity: Today 04:55 PM
  • Join Date: 08-13-1999
  • Referrals: 1


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