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tow/haul mode for plowing

Discussion in 'Chevy Trucks' started by gunsworth, Dec 28, 2008.

  1. gunsworth

    gunsworth Senior Member
    Messages: 498

    just thought about that the other day anyone use it for plowing?
  2. High Voltage

    High Voltage Member
    from MI
    Messages: 47

    I do because it keeps the trans. cooler.
  3. scottL

    scottL PlowSite.com Addict
    Messages: 1,600

    I use it. It helps with torque, slowing down, transferring power and cooling. The big downside of the NBS Chevy's is that the transmissions seem to not engage quickly - it's like they build up pressure before moving - seems like a safety feature for the unit which I don't like.
  4. chcav1218

    chcav1218 Senior Member
    Messages: 954

    what exactly does tow/hall mode do?
  5. Triple L

    Triple L PlowSite Fanatic
    from Canada
    Messages: 5,977

    try searching... there lots of posts on this
  6. Philbilly2

    Philbilly2 2000 Club Member
    Messages: 2,202

    tow haul more or less keeps the truck in a better RPM range for towing. The main thing that it changes is the shifts and when the torque conveter locks and unlocks

    Regular Drive Mode: 1-2-3-4-5-TC

    Tow/Haul Mode: 1-2-TC-3-4-5

    (TC = Torque Conveter Lock-up)
  7. blueline38

    blueline38 Senior Member
    Messages: 436

    I also plow with the tow/haul mode turned on. like already said, it keeps the rpm's higher and also allows the rpm's to get higher before shifting. These NBS do dog off the line and I've been told it's the torque management that chevy put in so as not to hurt the transmissions! Mine is real slow until around 2,000rpm (somewhere around there) and then it takes off like a bat out of hell!
  8. B&B

    B&B PlowSite Fanatic
    Messages: 12,777

    TM is nothing new, manufactures have been incorporating it for years...since the '96 model year in fact.

    It is fixable if you don't like it though. ;)
  9. ABES

    ABES PlowSite.com Addict
    from MN
    Messages: 1,322

    I really wish my 99 had a tow/haul mode for towing.The newer Chevy I drive at work I always use tow haul mode for towing and plowing.
  10. RichG53

    RichG53 PlowSite.com Addict
    Messages: 1,135

    What is the advantage of converter lock ???? Or disadvantage ????
  11. SnowGuy73

    SnowGuy73 PlowSite Fanatic
    Messages: 24,868

    I don't use it, but thats just me.
  12. 7879fordplower

    7879fordplower Member
    Messages: 49

    I have a 2500 obs 99, how do yo "fix" it.
  13. B&B

    B&B PlowSite Fanatic
    Messages: 12,777

    With a custom tune. Dig around on the net for names such as: Nelson Performace, Waitforme, Pcmforless and you'll find what your looking for.
  14. Doom & Gloom

    Doom & Gloom Senior Member
    Messages: 170

    I don't use it cause it hardly shifts out of first gear. Sometimes on deeper snow I use it though.
  15. aeronutt

    aeronutt Senior Member
    Messages: 262

    The D-Max never feels the load in the first place so tow/haul mode would just make the driving experience a little harsher. Gas motors could benefit I'm sure, but I'd need to see a lot more than the 3-5 inch snows we've had so far before I'd use it. The Allison already does a remarkable job of adapting to the conditions so I only hit the tow button when I'm pulling more than 8K on a trailer.