Diesel Forum - TheDieselStop.com - View Profile: Mark Kovalsky

Mark Kovalsky Mark Kovalsky is offline

  Visitor Messages

Showing Visitor Messages 1 to 10 of 109
  1. dutchdirtman83
    10-17-2016 09:30 PM - permalink
    dutchdirtman83
    Mark,
    Thank you for your input on my trans situation. Really nice to have you here as a resource.
  2. internetselect
    02-27-2016 07:19 PM - permalink
    internetselect
    Hello,
    I was told to contact you and see if you would take a look at my thread and possibly give some insight.
    Any help is very appreciated. Thank You in advanced. Power Strokes 1994-1997 General / clutch fan vs. straight fan.
    It did get off topic from the subject but certain ideas popped up that left more questions and areas to dwell on.
  3. SDHYDE17
    09-08-2015 09:41 PM - permalink
    SDHYDE17
    Thank you sir, do I really need to change the transfer case and both diffs fluids?
    thats another 450...
  4. SDHYDE17
    09-08-2015 12:32 AM - permalink
    SDHYDE17
    Hello Mark, I just got a 2010 F250 6.4 D. 90K miles. I want to flush ALL the fluids and change filters. I got a quote from a local shop for 1600.00. Little high for my budget. needs power steering and tranny for sure. That plus oil lands me at $800.00. Is this a fair price? Anything you would recommend at this mileage for preventative maintenance?
    thank you sir,
  5. dkwelder
    08-11-2015 03:31 AM - permalink
    dkwelder
    Thanks for your time and input on that !
  6. dkwelder
    08-10-2015 04:44 PM - permalink
    dkwelder
    Hello Mark, Newbie here with an engine tranny swap question. Can I bolt a newer 2001 7.3 engine up to an OBS 1997 7.3 which has the E4OD tranny ? Or do I need the 2001 4R100 trany, T-case and complete truck wiring harness with it also? Thanks for your time and info.
  7. loubrock72
    03-30-2015 01:39 PM - permalink
    loubrock72
    Hey Mark I have a quick question about the 7.3 4r100 with the ebrake on it. I know it has the same tailhousing as the 4x4 , but will it work in a 4x4 truck? It appears the VSS is located on the Ebrake. Thanks for your time.
  8. wolfetruck
    03-10-2015 01:45 PM - permalink
    wolfetruck
    Mark, please let me know if you think after 15-20k miles on a new reman 4r100hd transmission in a 2001 f350 dually i should just change the fluid or also change the filter. just called our dealer and he said a new filter was not needed when i ask him to do both. i pull a 10,000 lb camper in the summer so i dont want any more transmission problems. Thank you for your time and advice,
    Mark Wolfe
  9. Kuronushi
    11-26-2014 06:41 PM - permalink
    Kuronushi
    Battery was disconnected when the upgrades were made. Also cleared the memory again, by disconnecting the battery. It's still flaring. It seems 2-3 shift and 3-5 shift are flaring. Hoping it's just the solenoids (fingers crossed). Which solenoids would you recommend replacing/upgrading? EPC, Coast and Direct?
  10. Kuronushi
    11-25-2014 06:14 PM - permalink
    Kuronushi
    Hey Mark, I'm new here at TheDieselStop. Looking for more information on an issue I'm having with my trucks transmission (5R110). What I know so far is that there is flaring 4-5 shifts, which I suspect is the solenoid but I also hear another sound coming from the transmission area. I just recently had APR headstuds, gaskets, IPR, glowplugs, EGR delete, and Oil cooler upgrade done. I'd hate to believe that it's the engine. It sounds like a rattling/vibarating sound through all gears including reverse and park. If I let the truck sit a while and turn it on, that sound is not present in till put it into drive or reverse and move a little it creates the sounds and persists to be there even in park. The sound and slight vibration remains in till I turn it the truck off and let it sit for a while. (note: sounds is there hot/warm or cold). Is there any information you can provide before I start this project?

  About Me

  • About Mark Kovalsky
    Biography
    29 years automotive engineering, 2 years owner/operator general auto repair shop.
    Location
    SE Florida, USA
    Interests
    Auto racing, antique cars and trucks, flying
    Occupation
    Former Ford Auto Trans Engineer
  • Signature
    Mark
    Former Automatic Transmission Engineer 1988-2007

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

  Statistics

Total Posts
Visitor Messages
General Information
  • Last Activity: Today 04:10 PM
  • Join Date: 05-07-1999
  • Referrals: 1

  Friends

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  Quotes

01-21-2017
07:20 PM - Maryland dieselnick quoted Mark Kovalsky in post No forward gears only after reversing with trailer
I find this part very confusing. T...
01-20-2017
10:10 PM - Mark Kovalsky quoted ArcticDriver in post Tranny fluid temp increases when od off
I think Mark K said 170*-180* is ...
01-14-2017
08:25 PM - Hoko quoted Mark Kovalsky in post E4OD Quirky Shifting
Autozone probably can't do it. Do ...
01-13-2017
07:01 AM - Mark Kovalsky quoted Trucker87 in post E4OD Quirky Shifting
Just listed a few things to ch...
01-12-2017
08:46 PM - Mark Kovalsky quoted SparkyAl in post E4OD Quirky Shifting
Probable needlessly replaced ...
08:46 PM - Mark Kovalsky quoted Trucker87 in post E4OD Quirky Shifting
Probable needlessly replaced t...
01-03-2017
04:53 PM - Mark Kovalsky quoted harry1shop in post 4r100 transmission no fwd
Well here is my first post, I h...
01-02-2017
10:13 PM - Mark Kovalsky quoted dieselmankane in post 6.0L for a 7.3L swap done!!
It's to bad he put the 4R100 trann...
10:13 PM - Mark Kovalsky quoted smokedivr in post 6.0L for a 7.3L swap done!!
It's to bad he put the 4R100 t...
12-31-2016
02:11 PM - Mark Kovalsky quoted 250lifer in post After shifting problems, now won't start
The new sensor did not solve ...
12-28-2016
08:49 AM - Mark Kovalsky quoted NorthernVT in post OD Light Stops Blinking
1) Do you recommend a full tran...
12-23-2016
02:32 PM - yan7gin quoted Mark Kovalsky in post Lurching when 4 wheel drive engaged
If the front hubs are unlocked the...
08:34 AM - Mark Kovalsky quoted yan7gin in post Lurching when 4 wheel drive engaged
It was in my understanding t...
12-22-2016
10:18 AM - mooginfee quoted Mark Kovalsky in post '95 Powerstroke tranny hangs in neutral when throttle released. On 3rd jasper tranny
When it went into limp mode what c...
08:54 AM - Mark Kovalsky quoted yan7gin in post Lurching when 4 wheel drive engaged
on 4x4 the front diff is loc...
12-21-2016
10:08 PM - Mark Kovalsky quoted 250lifer in post After shifting problems, now won't start
I noticed it had to relearn s...
10:08 PM - Mark Kovalsky quoted mooginfee in post After shifting problems, now won't start
I noticed it had to relearn sh...
12-19-2016
09:46 PM - Mark Kovalsky quoted 79jasper in post 1994 F350 Automiatic Transmision Issue
Right? Yes, that's right.
12-15-2016
09:32 AM - Mark Kovalsky quoted CameronP. in post [TRANS] P0766 & P2703
So it's looking like time for ...
12-14-2016
01:32 PM - Mark Kovalsky quoted CameronP. in post [TRANS] P0766 & P2703
Mark, With the truck struggl...

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