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| | | | Joined: Jun 2005 Posts: 1,002 'Bolter | | 'Bolter Joined: Jun 2005 Posts: 1,002 | I searched topics for this but couldn't find exactly what I'm looking for.
Took Thor ('59 1.5 ton) out yesterday and the right rear brake kept locking up....and I mean hard! Put it in reverse and sometimes it would release, and sometimes not. Same with forward gear.
Pulled the drum today, expecting to find a busted spring or something. Nope, nada, nothing visible seems to be the issue. Pried up on the shoes and the springs returned them to correct position. No one to step on the brakes so I could watch, so...
Took it back on the road and screech!!!! Lock up again. What do you think? It's only the RR, all the other brakes seem to be OK. Something restricting the flow of brake fluid back to the MC in that line?
Thanks for you help.
~ Victor 1941 3/4-Ton Pickup (in process). Read about it in the DITY Gallery1955 Grumman Kurbside "Doughboy" 235/3 on tree w/ OD 1957 3100 - moved on 1959 C4500 Short Bus "Magic Bus" - moved on 1959 G3800 1 Ton Dually "Chief" - moved on 1958 C4400 Viking "Thor" ~ moved on to fellow Bolter | | | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy VEW, no contamination of the brake linings with oil or brake fluid? Are the bakes adjusted up properly? Any rust inside on the drum surface? | | | | | Joined: Jun 2005 Posts: 1,002 'Bolter | | 'Bolter Joined: Jun 2005 Posts: 1,002 | Linings looked good, new a couple years ago when I rebuild the brake system. Cylinders are dry and drum is nice and shiny. Backed off the adjusters quite a bit to get the drum off, and did not tighten them down when I reassembled. My thinking was that maybe the springs are not retracting the shoes enough, and if I leave more space between the shoes and drums, maybe they won't lock up. Guess that didn't work.
Thanks for your reply.
~ Victor 1941 3/4-Ton Pickup (in process). Read about it in the DITY Gallery1955 Grumman Kurbside "Doughboy" 235/3 on tree w/ OD 1957 3100 - moved on 1959 C4500 Short Bus "Magic Bus" - moved on 1959 G3800 1 Ton Dually "Chief" - moved on 1958 C4400 Viking "Thor" ~ moved on to fellow Bolter | | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | Can you cause this to happen where it is parked? If so, I would then crack the bleeder on that cylinder to see what happens. | | | | | Joined: Jun 2005 Posts: 1,002 'Bolter | | 'Bolter Joined: Jun 2005 Posts: 1,002 | Thanks truckernix, that's a good thought. Will try that and see what happens.
~ Victor 1941 3/4-Ton Pickup (in process). Read about it in the DITY Gallery1955 Grumman Kurbside "Doughboy" 235/3 on tree w/ OD 1957 3100 - moved on 1959 C4500 Short Bus "Magic Bus" - moved on 1959 G3800 1 Ton Dually "Chief" - moved on 1958 C4400 Viking "Thor" ~ moved on to fellow Bolter | | |
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