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| | | | Joined: Jan 2016 Posts: 264 'Bolter | | 'Bolter Joined: Jan 2016 Posts: 264 | I've been noticing on last few trips that as I'm coming to a stop the brakes are grabbing right at the last moment. Everything seems great slowing down, but just before I finally stop it's as if i applied more force. They also seem to take a bit of movement starting again to release. Yet all seems good under way.
1952 3 ton with hydrovac. New master and hydrovac, good friction surfaces.
Thanks! | | | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy 52vff, check your brake adjustment, remove the drums and check for contamination by bearing grease, differential oil and brake fluid. Also check all suspension bolts for tightness, hope that helps. | | | | | Joined: Feb 2016 Posts: 1,987 'Bolter | | 'Bolter Joined: Feb 2016 Posts: 1,987 | Sounds like one or more is in need of adjustment - too loose. But do as 3B suggests and check for oil or grease on the shoes.
1957 Chevrolet 5700 LCF 283 SM420 2 speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto, 1978 Yamaha DT175, 1999 Harley Davidson Softail Fat Boy
| | | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | After checking what 3B mentioned make sure your brake cables are free & not adjusted too tight. Grind or sand a bevel on the edge of the linings. Often the sharp edge on the linings grabs the drum. I had this happen just recently on my daily driver GMC Sonoma. Sanding a bevel on the edge of the linings on the rear wheel that was grabbing cured it.
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | | | | Joined: Feb 2004 Posts: 29,776 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,776 | Check to be sure there's a little free play between the brake pedal pushrod and the main master cylinder piston. If it's not able to depressurize after a stop, there will be just enough residual pressure to keep the hydrovac applied. We fixed a brake-locking problem on John's pumper fire truck that way at Homecoming one year.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
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