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I just wrestled with my brakes (master cylinder removal, check and clean), though my braking situation was a little different.
What is your pedal doing?
One thing I learned from my l-o-n-g weekend of MC removal and cleaning was that purging the old fluid and replacing with all new DOT 5...
tex58,
You might want to PM or email him. That last post was almost two years ago. If 1986Blazerk5 is not subscribed to this thread with notification, he might miss your request.
Welcome to Steel Soldiers and good luck with your project!
I began the MC removal today. Everything went pretty smooth. I used a turkey baster to empty the reservoir. The DOT 5 was clean. There was not any rust or sediment. I removed the lines from the side of the MC w/o any difficullty.
Before I started to remove the four mounting bolts (last step)...
As my pre-MC removal ponderings continue, even in my sleep, I went outside this morning (before coffee) and put the cardboard down and crawled back underneath to look. This time, I brought the end of the vent line down to where I was and held it in a rag and operated the brake pedal arm again...
Just so I understand correctly...
If there is no air built-up in the system, (system bled / air tanks drained, truck sitting...), and pushing on the brake pedal with the pedal going to the floor with NO resistance, the DOT 5 from the master cylinder reservior is squirting out of the open end...
This happened with NO air. Pedal to floor... fluid pushed out through top of master cylinder reservior vent line.
The truck has two air packs obviously, but this white nylon vent line is just a thin diameter tubing that is attached to the plastic reservior that is attached to the MC and...
News!
I studied the situation under better (day) light and saw fluid inside the engine compartment! BRAKE FLUID! :shock:
DOT 5 started pouring down on me as I pulled on the brake pedal arm from underneath the truck.
I opened the engine hood and driver's side inspection panel and had my...
...Or, driving in a parade behind the band when they suddenly have to do a, "Mark-time... March!"
My last truck split a brake-line at a flare/fitting after I cleared an intersection! I had enough pedal to get off the road and into a truck-stop parking lot before there was none! Very bizarre...
This is true of any number of bolts associated with just about anything I do! aua
I count two (2) air packs. The MC only has one filler cap, though. Do these dual-circuit systems usually have just one cap? I thought I was seeing two caps on some reserviors in the many threads I have studied...
O.K., now I must ask if this is an easy "bench" job, or will I need specific brake tools?
It REALLY sounds like the fluid is just pure blow-by! The system only causes a little movement in the r/f brake (that I can hear easily), but the hand-brake holds the truck on level ground.
The seal...
I believe the master cylinder on my 1989 M35A2C failed. Whatever happened, happened at the end of a test drive following fluid changes and spin-on conversions. It was one of the classic :deadhorse: stories associated with brakes going out and the potential for disaster only a breath away...
I am relieved that it wasn't something that belonged to some mechanism inside the axle. Though I am no expert on differentials, I was fairly confident that it was not there because anything associated with the internal workings of the axle had failed.
The 1-20 plug tap will be at the Dayton...
DieselBob,
Yes, it looked a lot like a brake return spring (initially), and the red color made me think just that. Agreed... How did it find its way into the differential? (p.s. - Your avatar with Peter Sellers always freaks me out. Great movie though!)
hndrsonj,
The pieces that were like...
After draining the rear differeintial, I noticed a few pieces of metal about the size of wooden match sticks in the drain pan. I poured about a cup of gasoline through to rinse the differential and then fished a magnet on a gooseneck handle inside the housing. I felt a large object that was...
I know this is an old thread, but it reminded me of my years in the Marine Corps (1981-1985).
When I was stationed in Okinawa, Japan from 1983-1984, I/we rode back and forth from MCAS Futenma to the rifle range on the northern end of the island in a M32A2 driven by a young Marine from...
broadsword71,
Your point is well stated and understood.
One thing that I have learned here (and I have learned a tremendous amount), is to be as thick-skinned as you would be in a barracks or in the field. (Most) everyone here is sincere and devoted. We've all taken that "friendly" fire at...
I searched for a nice driver's seat-back cushion and finally found a NOS one at Memphis. They shipped it quick and the price was great. I didn't have to buy an entire seat or re-cover the old one (but I will, for a spare).
Now I have nice, clean, matching drivers seat cushions.
On to the...
Wise words!
As with my own experience, I was on a "short" 150 mile trip in my deuce with a full reservoir and NO leaks when a brake-line fitting (flare) split! The first "pedal to the floor" was... :-?
The second time was... :confused:
There was a large truck stop (dirt) parking lot just...
:ditto:
My thinking too, but also included the secondary fuel filters from John.
I had just bought all of the "old style" filters before I decided to switch.
I suppose I'll clean up all of the old parts that I took off and store everything together in (another) box in the attic for, "just...