adamey1000

Do the 1500s have this same problem? if so what does it feel like? i have spent most of my time in standards but my fater-in-laws truck has been having some issues. he says that it "hammers" at a certain speed and throttle positions and if he lets out of it or gives it a little more it will stop. mostly happens at highway speeds but he has seen it around 45mph too. he has replaced the tranny and torque converter, TPS and the works. the transmission shop just scratched their heads and gave up. im not really familiar with his truck but i thought i would do some looking for him.

im not sure how the forks go in but if the light is on then the vacuum is moving the lever. how do you know that it is not engaging when the light comes on? - - - Updated - - - also i was just rereading mikes trouble shooting article, are you sure that they gave you the right fork? apparently there were two different styles

i peeled it off of mine. kind of a pain to remove though! gently work with a razor blade removed most of it and then a pressure washer at the car wash took care of the rest. there is still a small amount of residue but it doesnt look bad

i appreciate the information and i will adjust my driving accordingly! though i dont grind the gears...i grew up driving an old ford with burned out synchros so floating and double clutching comes pretty natural

just for my own knowledge, how does floating hurt the synchros? i float on my truck with the intention of saving the clutch a little wear. but i would rather replace a clutch than a transmission!

well guys i appreciate all of the help but i have to admit that i am an idiot. aside from the cracked red vacuum line, wich is now fixed, the problem with my 4x4 was.....it was disconnected . that diagram was very useful in tracking down the grey supply line. when i found it, it was just pulled off of the T. it engages and disengages just fine now! thanks to everyone for the help, Problem solved!

How expensive are the cables? It's cold and rainy here today but I did crawl under for a minute and the red vacuum line that runs from the firewall to the hard lines has a big crack in it. Seems like a likely candidate

I am out of town on business but when I get home I will be jumping into that. Is the CAD expensive? I am considering just pulling and replacing it all for my own peace of mind

thanks that should be exactly what i needed! i am new to diesels and am learning a ton from this site

Hey guys i am new around here and have some questions! The 4x4 will not engage on my truck. i understand the vacuum operated system and suspect that this is where to start on fixing it. however, my ABS and parking brake light are always on as well. is there anyway that the two could be connected? when i put the truck into 4H there is no change in the steering and the lights do not illuminate. in 4L still no lights or steering change but it does go into low range. any help you could offer on this would be great! also if anyone has experience trouble shooting the vacuum system or has a diagram i would appreciate the insight! thanks in advance guys.Also not sure how to do a sig but here is the info:2001 2500 5.9 SO w/5 spd. new VP44 and FRRP w/ big-line kit from DAP. everything else is stock