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The Gearhead Thread

Posted: 13 May 2022, 22:22
by jmg
sweetandsour wrote: 13 May 2022, 21:36 I took the tire off of my grandsons F-150 and the outer brake pad was completely gone. The rotor was beyond gouged. We replaced the rotor, put on the new pads, but can't get the pistons compressed back in, they're stuck/seized completely extended and we can't budge them, even with the brake bleed stem open. Any ideas? Or should we just buy new calipers. It's another $200 if we replace both front calipers.
C-clamp and a block of wood.

The Gearhead Thread

Posted: 14 May 2022, 04:14
by sweetandsour
jmg wrote: 13 May 2022, 22:22
sweetandsour wrote: 13 May 2022, 21:36 I took the tire off of my grandsons F-150 and the outer brake pad was completely gone. The rotor was beyond gouged. We replaced the rotor, put on the new pads, but can't get the pistons compressed back in, they're stuck/seized completely extended and we can't budge them, even with the brake bleed stem open. Any ideas? Or should we just buy new calipers. It's another $200 if we replace both front calipers.
C-clamp and a block of wood.
Thanks, but I have an old store bought c clamp thing, plus a regular c clamp with an old brake pad, but we can't budge it. I think I'll just replace the caliper rather than chance that old one seizing again while in service.

The Gearhead Thread

Posted: 14 May 2022, 13:09
by jmg
sweetandsour wrote: 14 May 2022, 04:14
jmg wrote: 13 May 2022, 22:22
sweetandsour wrote: 13 May 2022, 21:36 I took the tire off of my grandsons F-150 and the outer brake pad was completely gone. The rotor was beyond gouged. We replaced the rotor, put on the new pads, but can't get the pistons compressed back in, they're stuck/seized completely extended and we can't budge them, even with the brake bleed stem open. Any ideas? Or should we just buy new calipers. It's another $200 if we replace both front calipers.
C-clamp and a block of wood.
Thanks, but I have an old store bought c clamp thing, plus a regular c clamp with an old brake pad, but we can't budge it. I think I'll just replace the caliper rather than chance that old one seizing again while in service.
If you can't budge it with a c-clamp, then it is really stuck. Sorry, bud. I'm not aware of another way to do it without damaging them.

The Gearhead Thread

Posted: 15 May 2022, 14:42
by sweetandsour
jmg wrote: 14 May 2022, 13:09
sweetandsour wrote: 14 May 2022, 04:14
jmg wrote: 13 May 2022, 22:22

C-clamp and a block of wood.
Thanks, but I have an old store bought c clamp thing, plus a regular c clamp with an old brake pad, but we can't budge it. I think I'll just replace the caliper rather than chance that old one seizing again while in service.
If you can't budge it with a c-clamp, then it is really stuck. Sorry, bud. I'm not aware of another way to do it without damaging them.
I agree. I bought new calipers to go with the new rotor and pads. I failed to wipe down the new calipers with brake cleaner however, and when the rotor got hot the light oil volatized and produced some white smoke from underneath the wheel well. All is ok now though I hope.

The Gearhead Thread

Posted: 17 Jun 2022, 14:56
by sweetandsour
Is it a sin to curse the engineer that selected the location for the oil pressure sensor on the 2011 GMC Sierra? If so, then may God please forgive me.
Edit:. Ok I finally accidentally broke the electrical connector, then discovered that my deep well 27mm socket wouldn't fit. I had to go buy a special oil pressure sensor socket for $12, which appears to be a 27mm deep well socket but with smaller diameter body, and some rounded edges.
I've got the socket on, with u-joint, extension, and ratchet, all attached, and I can't budge it loose. I'll get my 16 year old grandson over tmrw to give a try.

The Gearhead Thread

Posted: 17 Jun 2022, 21:19
by joegoat
sweetandsour wrote: 17 Jun 2022, 14:56 Is it a sin to curse the engineer that selected the location for the oil pressure sensor on the 2011 GMC Sierra? If so, then may God please forgive me.
Edit:. Ok I finally accidentally broke the electrical connector, then discovered that my deep well 27mm socket wouldn't fit. I had to go buy a special oil pressure sensor socket for $12, which appears to be a 27mm deep well socket but with smaller diameter body, and some rounded edges.
I've got the socket on, with u-joint, extension, and ratchet, all attached, and I can't budge it loose. I'll get my 16 year old grandson over tmrw to give a try.
I don't know if you've heard it, but there's a saying amoung mechanics. "An engineer will crawl over a pile of 500 virgins just to {zederated} a mechanic." It's true.

The Gearhead Thread

Posted: 05 Jul 2022, 21:35
by joegoat
Update on the 1949 Gravely Model L restoration.

The Gearhead Thread

Posted: 05 Jul 2022, 21:42
by joegoat
Not sure I ever posted the final results. This the the Gravely cutaway I was working on. Lots of labor involved, but it came out pretty good!

The Gearhead Thread

Posted: 06 Jul 2022, 06:21
by FredS
That's pretty cool. You should show it at the county fair.

The Gearhead Thread

Posted: 06 Jul 2022, 08:14
by Biff
Yup. That's cool. Well done, son.