Marcel67 Posted July 20, 2014 Share Posted July 20, 2014 Lately I notice that shifting my mh is becoming heavy and not smooth. Any tips to get it going smoother again? Quote Link to comment https://www.bigmacktrucks.com/topic/36412-shifting-becomes-heavy/ Share on other sites More sharing options...
farmer52 Posted July 20, 2014 Share Posted July 20, 2014 Did you lube the shift linkage and the "joystick" under the cab? Clutch adjusted and linkage lubed? Quote Ken PRR Country and Charter member of the "Mack Pack" Link to comment https://www.bigmacktrucks.com/topic/36412-shifting-becomes-heavy/#findComment-253437 Share on other sites More sharing options...
mowerman Posted July 20, 2014 Share Posted July 20, 2014 ya,what he said,,,,makes a big differance ...might even have a froze grease fitting..good luck..bob Quote Link to comment https://www.bigmacktrucks.com/topic/36412-shifting-becomes-heavy/#findComment-253440 Share on other sites More sharing options...
slpwlker Posted July 20, 2014 Share Posted July 20, 2014 That thing for me was a bear to shift. Seemed to be eaiser when I split all the gears Quote Link to comment https://www.bigmacktrucks.com/topic/36412-shifting-becomes-heavy/#findComment-253448 Share on other sites More sharing options...
Marcel67 Posted July 20, 2014 Author Share Posted July 20, 2014 Thanks guys wil tilt the cab and check if I can lube it. That was my initial tought aswell. Quote Link to comment https://www.bigmacktrucks.com/topic/36412-shifting-becomes-heavy/#findComment-253450 Share on other sites More sharing options...
farmer52 Posted July 20, 2014 Share Posted July 20, 2014 Don S at the Mack Museum once mentioned "slippery shit" used on the ball/socket at the cab shifter interface. Not sure what it is but you might send the Museum a note and ask the lube.Ron - any suggestions?BTW, my shift is "sloppy". Tight would be better. 1 Quote Ken PRR Country and Charter member of the "Mack Pack" Link to comment https://www.bigmacktrucks.com/topic/36412-shifting-becomes-heavy/#findComment-253453 Share on other sites More sharing options...
Marcel67 Posted July 20, 2014 Author Share Posted July 20, 2014 Don S at the Mack Museum once mentioned "slippery shit" used on the ball/socket at the cab shifter interface. Not sure what it is but you might send the Museum a note and ask the lube.BTW, my shift is "sloppy". Tight would be better. Ken do you have a 5 speed? Quote Link to comment https://www.bigmacktrucks.com/topic/36412-shifting-becomes-heavy/#findComment-253460 Share on other sites More sharing options...
farmer52 Posted July 20, 2014 Share Posted July 20, 2014 Marcel,Yes, T2050 5 speed OD Quote Ken PRR Country and Charter member of the "Mack Pack" Link to comment https://www.bigmacktrucks.com/topic/36412-shifting-becomes-heavy/#findComment-253461 Share on other sites More sharing options...
Back In Black Pulling Posted July 20, 2014 Share Posted July 20, 2014 BTW, my shift is "sloppy". Tight would be better. To Much Information 1 Quote Link to comment https://www.bigmacktrucks.com/topic/36412-shifting-becomes-heavy/#findComment-253482 Share on other sites More sharing options...
j hancock Posted July 21, 2014 Share Posted July 21, 2014 More weight training needed at the gym? Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/36412-shifting-becomes-heavy/#findComment-253487 Share on other sites More sharing options...
BAD DOG Posted July 21, 2014 Share Posted July 21, 2014 Always keep the linkage well greased on an MH it will make shifting easier. Plus you want to take care of that part of it because the shifter linkage parts are getting harder to find for them. Quote Link to comment https://www.bigmacktrucks.com/topic/36412-shifting-becomes-heavy/#findComment-253497 Share on other sites More sharing options...
Marcel67 Posted July 21, 2014 Author Share Posted July 21, 2014 Always keep the linkage well greased on an MH it will make shifting easier. Plus you want to take care of that part of it because the shifter linkage parts are getting harder to find for them.Thanks bad dog get on it in the morning. Quote Link to comment https://www.bigmacktrucks.com/topic/36412-shifting-becomes-heavy/#findComment-253499 Share on other sites More sharing options...
39 Baby Mack Posted July 21, 2014 Share Posted July 21, 2014 Don S at the Mack Museum once mentioned "slippery shit" used on the ball/socket at the cab shifter interface. Not sure what it is but you might send the Museum a note and ask the lube.Ron - any suggestions?BTW, my shift is "sloppy". Tight would be better. There are only two grease fittings in the linkage, the ball socket on the shift rod up at the top of the shift tower and the and the "U" joint at the remote shifter on the transmission.There are also two needle bearings and two roller bearings in the shift tower which aren't greaseable.I'd just check and make sure everything is fairly tight without a lot of lost motion.You can dab a little grease on the ball of upper shift lever where it enters the receptacle in the tower.You can oil everything else in the tower.There was also a phenolic or fiber bushing in the aluminum housing that the shift lever actually rides in.There is a pin that holds the lever in the aluminum housing (about 5/16" in diameter with serrations on one end) You can check the shock absorber from the shift tower to the air cleaner bracket.It's just there to help isolate the tower, and even when they were wore out didn't didn't really effect the way they shifted.Make sure to check that the beehive spring on the bottom of the shift lever isn't broken.There is also a very heavy beehive spring located up in upper shift lever housing under the cab (under the rubber bellows).This keeps the upper shift housing firmly seated in the shift tower.This spring is not replaceable it's part of the upper shift housing that is attached to the cab with six screws.I had one break before and ended up welding the spring, never had any more problems with it.After that I bought a new assembly, just incase it ever happened again.Murphy's law, when we shut down in 2010 the new one was still on the shelf.The one I welded, well it's still working as of Macungie this year, last mileage I remember it having on it was about 1,973,000 miles.Just getting broken in!!!!Ron 1 Quote Link to comment https://www.bigmacktrucks.com/topic/36412-shifting-becomes-heavy/#findComment-253512 Share on other sites More sharing options...
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