Brian P Posted September 30, 2004 Report Posted September 30, 2004 before replacing it, it might just need adjustment. All you need is like a coat hanger bent out so it's straight with a small hook at the end. Details upon request Quote
Brian P Posted September 30, 2004 Report Posted September 30, 2004 on the "back" of the switch (faces the firewall) you'll see a chrome metal tiny hook. What you need to do to adjust is to put the coat hanger with the end bent like a hook and set it on the switch's hook. Now press down on the brake pedal, hold, and pull down on the hook, you'll hear some sort of click. Release the hook, release the pedal. DONT PULL THE PEDAL UP MANUALLY! you will hear clicking as the pedal rises up, this means the switch is adjusted. I only mentioned this may fix your problem because that's the exact symptoms of a mis-adjusted pedal (or someone previously pulled up on the pedal and the "play" over-adjusted it. Also a trick I used is I use my shoulder to keep the pedal down while I pull the hook. You only need to have the pedal down 1/3- 1/2 at most for this to work. Quote
DiscoStudd Posted September 30, 2004 Report Posted September 30, 2004 I wonder if the older W's have a different switch than the 95's do. I had the same problem on the Regal, so I just grabbed the body of the switch and pushed it closer to the pedal (arm, whatever.) That was a couple of months ago, and the problem hasn't returned yet... Quote
Brian P Posted September 30, 2004 Report Posted September 30, 2004 I wonder if the older W's have a different switch than the 95's do. I had the same problem on the Regal, so I just grabbed the body of the switch and pushed it closer to the pedal (arm, whatever.) That was a couple of months ago, and the problem hasn't returned yet... '93 up is different (and much, much simpler!) Quote
Brian P Posted October 1, 2004 Report Posted October 1, 2004 glad it worked. What kinds of treasure did you find? Quote
z34_nut Posted October 1, 2004 Report Posted October 1, 2004 hopefully your pushrod into your master cylinder isn't the problem :? you might have a blown secondary seal in the primary piston, which would cause the pedal to depress. a good way to check this it to place your foot on the pedal. turn the car on you pedal should go to the floor and lift slightly. if not, your master cylinder and brake booster needs to be checked. Quote
z34_nut Posted October 1, 2004 Report Posted October 1, 2004 umm no my original problem is fixed with the break lights and it was the switch that needed adjustment...... one question to anyone who may know..... WTF is that switch with the hose connected to it............that the pedel depresses when the break is applied..... i don't know what its for....... :oops: you mean the pushrod? (part that goes from the pedal to the booster, through the fire wall) that goes into the booster, making the vaccum that depresses the pistons (in the M/C)? Quote
Brian P Posted October 1, 2004 Report Posted October 1, 2004 umm no my original problem is fixed with the break lights and it was the switch that needed adjustment...... one question to anyone who may know..... WTF is that switch with the hose connected to it............that the pedel depresses when the break is applied..... i don't know what its for....... :oops: That would be the cruise control vacuum "dump" valve, so I call it. It's a failsafe way to kill the cruise control upon braking (along with the brake switch input, which shuts the cruise off and KEEPS it off). Grey with a green pintle that touches the pedal arm, right? Quote
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