Pre-Power Stroke Diesel (7.3L IDI & 6.9L)Diesel Topics Only
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The clutch hydraulics on my 1983 F250 6.9L Diesel went out for the 2nd time in 26 years. This time I will fix it myself if I can. I took a closeup photo of my actual slave cylinder, shown here.
didn't help me much.
My copy of the 1983 Helm service manual tells how to remove the slave cylinder (p. 16-04-2) thus:
"4. Push the clutch slave cylinder rearward to disengage the two retaining tabs of the release cylinder from the retainer bracket and from the recess in the bell housing lugs and then slide forward to remove. Disengage the push rod from the release lever as the slave cylinder is removed."
The slave cylinder seems rigidly mounted against the bracket & doesn't move at all when I push it "rearward" The springy metal clip that holds the cylinder to the bracket is thick & strong looking compared to the cylinder. The only "engagement' of the end of the push rod with the release lever seems to be that it fits in a slight dimpling of the metal of the release lever. Is it attached any other way?
I'd appreciate any hints on how this can be removed by real people.
Also, the manual states "The clutch hydraulic system is serviced as a complete assembly and is pre-filled and bled. Individual components are not available." I have found no source for a complete assembly for my vehicle, just a list of individual components that need to be assembled, filled & bled. I take the complete assemblies are not longer being made for my 1983 model. If anyone knows otherwise, please let me know.
Yes, it basically slides out, just lift the retaining clip enough to slide it out, it really is that simple. The pushrod is held in by pressure into the dimple on the fork. The only thing holding the slave in place is that springy metal clip.
the workhorse:86 F250 4x4 6.9 Diesel 4-spd, 4.10 axles
the other workhorse 92 F350 2wd crew cab,3.55 rear axle, 92 6bt Cummins, NV4500
the project: 78 F150 4x4 shortbed 351 auto Iowa Chapter leader, ASE certified parts specialist
Come on down and join us in the Iowa chapter, or your own local chapter!! Thanks, Roger
Looks like your piston retaining straps are missing. You should bench bleed the new slave and switch over the line before you take the old slave off. If you don't you will have to bleed the whole thing which can be a real PIA
Find some clear tubing that you can wedge into the hole where the line from the truck would go. Then submerse the tubing in brake fluid and work the piston in and out until all the air is out. Then hook the retaining straps on. When you install it crack the bleeder so the piston will retract a bit as you slide it into the little cup that holds it on the transmission fork .
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