So I read about putting the GMC dually cylinders on and tried it out today. Got everything on there but the pedal is quite squishy. It doesn't stop any better than before. I have an 01 1500 so it came stock with the ram 3500 cylinders, or so I've read. Does anyone else who has done this have suggestions or pointers? I Used a self bleeder until there were no bubbles but I suppose there still could be.. Could it be due to adjustment? What is the proper way to adjust both wheels equally? I don't even know if i did it right lol

 

Alright, I took it for a ride and I guess its not that bad. I do notice it brakes better with these cylinders but not so good that the wheels lock up like a lot of people have said. I suppose that's a good thing. I also have 315's so I don't expect to stop on a dime. This is a good and cheap upgrade for only a dollar more than a dodge cylinder. I would still like to hear how you guys adjust your brakes. Are the wheels supposed to be on or off? How tough should it be to turn?

 

Adjust rear brakes by applying emergncy brake while backing up.

 

If the pedal is squishy, you still have air in the lines.

 

thanks

 

just curious, what year/model did those cylinders come on stock?

 

If your rear wheel anti-lock is working the rear wheels shouldn't lock up.
At least that's my way of thinking.

 

The RWAL in these trucks is pretty much useless.

 

I bought the cylinders for a 96 gmc 3500 dually. They have a 1 3/16" diameter. As for the tires locking up on some people, There is a sensor that senses the weight and is supposed to regulate how much fluid goes to the cylinders when more or less weight is put on the truck. I think that's how it works anyways. I've heard of people just unhooking this sensor and zipping it up somewhere. However I think that is just a problem for pre 01 rams.

 

did you bleed the brakes and get all the air out of the lines/cylinders? they have bleeders on them...you need someone to be in the cab while you are at the wheel cylinder, have them pump the brakes and push the pedal down hard and hold it, while they are holding it, you crack the bleeder open, and let fluid/air out, then close the bleeder, and tell person in cab to let off brake pedal, pump, hold, repeat until you see no more air/sputters coming out of the line.

check master cylinder fluid level and top off as needed, then move to the next wheel cylinder and repeat...start on right side first, then move to left side. after brakes are bled, pedal should no longer be squishy.