it should not take more than 30 min. it's a fairly simple change over.
About 1 hour.
Master Brake cylinder replaced and lines bled-how long?
If you need to replace the slave cylinder it is located in the bell housing and the trans has to be removed. The clutch master cylinder is located on the firewall on the drivers side
To bench bleed the new master, install and bleed system should take aprox one hour, assuming all the bleeders work.
From the inside of the vehicle disconnect the clutch pedal arm. Take off the master cylinder retaining nuts. From under the hood disconnect the lines. The cylinder should slide out.
To replace the master cylinder on an Isuzu NPR HD, start by disconnecting the battery and removing any components obstructing access to the master cylinder. Next, detach the brake lines from the master cylinder using a line wrench to avoid damaging them. Remove the mounting bolts securing the master cylinder to the booster, then take out the old cylinder. Install the new master cylinder by reversing the steps, ensuring all connections are tight and bleeding the brake system afterward to remove any air.
21 hours
Good time to replace all the brake fluid. Remove the brake lines from the Master Cylinder and pump the master cylinder dry. Add fresh brake fluid from an unopened can and bleed the master cylinder. Reinstall the brake lines and then bleed all brake lines until you see clean fluid. Keep adding fluid to the Master Cylinder until you are done.Good time to replace all the brake fluid. Remove the brake lines from the Master Cylinder and pump the master cylinder dry. Add fresh brake fluid from an unopened can and bleed the master cylinder. Reinstall the brake lines and then bleed all brake lines until you see clean fluid. Keep adding fluid to the Master Cylinder until you are done.
you need to take off the master cylinder and the accumulator and replace it with a master cylinder from a non antilock vehicle like a thunderbird or cougar from about 1985 to 1988.
2 hours.
your masses of dicks
If you have a 4-cylinder, about 20 minutes. 90 minutes if you have the V6.