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Re: how do I replace master cylinder myself on 1993 Dodge...
Remove the old master cylinder. Use line wrenches to avoid damage to the brake line fittings. Bench bleed the the new master cylinder you have purchased. The parts store will tell you how to accomplish this and sell you the necessary bleed kit (note it may be included with the master cyl.). Carefully install the new master cylinder. Reconnect the brake lines and do not over tighten. Now with a helper, bleed the brake system. Start at the Right Rear wheel. Find the bleeder located on the back side of the wheel at the wheel cylinder. It should have a small rubber cap. Remove the cap and using a boxed in wrench, loosen the bleeder valve slightly while your helper is applying steady pressure to the brake pedal. The pedal will go to the floor and you will see and hear air bubbles come for the bleeder. Tighten the valve and then tell the helper to release the brake pedal and do it all over again. Keep doing this until no air appears. Periodically check the master cylinder and do not allow the fluid level to get too low as it will **** more air into the system. Remind you helper to never release the brake pedal until you give the OK. If he releases the pedal while the valve is open, air will be drawn into the system. Now after bleeding the RR wheel, move to the LR, then RF, and finish with the LF.
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The warning lights mean there should be a trouble code stored in the body computer. I would start there. When the ABS system is inop it may prevent the cruise from working too. Sometimes a hydraulic brake system failure will turn the ABS light on too. After repairs you would need to scan the system to turn the light off with most vehicles. Are the brake lights in the rear of the truck staying on ?
Bleeding any Dodge clutch hydraulics are very difficult & almost impossible. The best solution is to buy the whole assembly (master,line,slave) from the dealer. Its pre-bleed & all together. So don't separate or open system!!!! just install & go. Also do not remove plastic piece that holds the pin in at the slave.There is a reason(manufacturer) does all of this. It might seem expensive but the time you spend trying to bleed & or replace parts to fix it, will pay off.
use a flare wrench and remove the two brake lines
then remove the the two nuts that hold it to the fire wall
then remove the master cylinder reservoir because your
going to have to put it on the new one
drain out any brake fluid from it
in stall the reservoir on the new master cylinder
now you'll have to prime the new master cylinder
put the master cylinder in a vise and put brake fluid into it
now place your fingers over the two holes that the brake line go into
use a large phillips screw driver and push the piston in and out about 10 times
but do it slowly. make shore to keep your fingers over the brake line holes .
now install it back in
remember to bleed your brake system when your done
I have not tried myself but see if the link below will work for your case. It is not the same model as you have but most vehicles have the same components for the non electronic parts.
hello dodge cummins owner i myself have a 98 dodge ram 1500 5.9L truck and i just recently had to rebuild my transmission. my truck would go fine in reverse but would not move in forward. when i took the trany apart i found out that the clutchs were completely gone. but in order to rebuild your trany i would sugest in getting a shop repair manual. i had purchased a shift kit for 400 dollars and it came with all the clutchs that i needed and that is much cheaper than buying a tranny or even haveing a shop work on it. the shop wanted 1500 dollars to rebuild it and to buy a new tranny it was over 2000 dollars.