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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Mar 2007 Posts: 173 'Bolter | | 'Bolter Joined: Mar 2007 Posts: 173 | Quick check on my brakes after reading some posts here...
I press on my brake pedal and get a good firm pedal feel that seems to handle light and moderate stops fairly well. But when I press really hard on the pedal, as hard as I can even, the truck doesn't really get past a moderate stopping distance/power. The tires will never lock up either. The drums are adjusted a little bit tighter than spec, trying to get a little more oomph out of them. I'm thinking maybe my vacuum assist isn't helping out like it should. I pump up the pedal with out the engine running and start it but don't notice a drop in the pedal pressure. Should I be planning a hydrovac rebuild? | | | | | Joined: Apr 2006 Posts: 48 'Bolter | | 'Bolter Joined: Apr 2006 Posts: 48 | When the brakes are right it should darn near lock up all six tires with relatively little effort. I have read that to test the hydovac, place your foot on the pedal and start the truck. When the truck starts the pedal should go down slightly. THe other thing you should look for is if the pistons in a few of the wheel cylinders are stuck. If the the piston are stuck the pedal will feel firm put you will have very little brake action. I had a '64 rambler classic recently and my '49 6400 was easier to stop! | | |
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