I have a 2003 H2 i ordered a transmission from monster transmission after i installed it i put it in drive and it doesnt move only the rpms go up but if I shift it to 1st it works fine does anybody know what it could be?

 

You installed a transmission from Monster Transmission then filled with 12qts DEXVI?

 

Did you update the calibration in the PCM for the transmission? Yet another good use for the Tech 2.

It should..... And I emphasize should, not 100% positive.... But I think it should be okay shifting manually to the nearest transmission shop where they will probably empty your wallet $180 to update the calibration. I would call a transmission specialist first before driving.

If it was the 6L80 on the newer vehicles, you don't even want to start the engine before programming is done. Bad things happen.

 

as hummerz asked, did you fill the trans with the correct amount of fluid?
if so then check the linkage and make sure its in the correct position.
then have a conversation with Monster Trans about the issue your having.

Neal

 

yes I did

 

this is the second transmission. They sent me the first one I got about a year. And I didn't update the calibration and it worked good for about a year. Then I send it back. Because according to them the two snap rings blew off the input drum caused by a part failure is what they said. It's a 4L65E

 

This is the second transmission that they send me the first one I instaland i didn't update calibration and it worked good for about a year then I sent it back because both snap rings blew off the input drum. Caused by a part failure is what they said.. it's a 4L65E

 

That's good to know.....I always wondered about Monster Transmission.

 

they were the only ones that would give me a warranty on the transmission everyone else wouldnt because of the lift and tires

 

What size tires are you running on? Got any pics of your 2?
Here's a lifted '05 @ the DUB Show 2015 in Los Angeles.