Question about GMC Jimmy
Posted by Anonymous on
If you are used to having a pedal higher than it is now, it is possible you have air in the brake system. If the pedal level rises when you pump it, this possibility becomes more certain.
Have the brakes bled, as it is always a good idea to replace the brake fluid periodically. Brake fluid degrades over time as it gets dirty and absorbs water vapour.
If the car has ABS brakes, this may be a design feature you can't do much about. Ask a brake tech.
Posted on Feb 12, 2014
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Posted on Jan 02, 2017
Your dealer is not lying to you.
All of the Toyota product line with ABS has this phenomenon. What Toyota has done is incorporate "Brake Force Distribution" into the braking system. What that means is there is now a sensor on the brake pedal/brake rod, going to the master cylinder. The sensor measures how FAST you press on the brake pedal. This activates the ABS pump, and supplies more brake fluid, harder, to reduce the time needed, such as a "panic stop"; the pedal travel is much longer than you are used to, because of the way they have to measure the speed of the rod being depressed. In actuality, this system is much better than the old system, as it also prevents wheel drag. It just takes a while to get used to. Really, there is nothing to worry about, I explain this same thing to my customers every week.
I hope this helps you out.
Thanks for choosing FixYa for assistance.
Posted on Mar 05, 2009
Diagram is unnecessry.
Pull both front wheels
Work one at a time leaving the other for reference
Find the retention spring ... its a paperclip thickness wire spring... dislodge center retention loop and undo from both ends which engage brake pad retention rods.
Pull the rods out
Pull the old pads out... laying everything on the ground
Use scrap wooden wedges to pry between the rotor and the caliper ...inside and out until the calipers are fully withdrawn. Use the new pads to measure if they are far enough back.
Note... the brake fluid will have dropped in the master cylinder over many months of wear... do not fill it. When the calipers are pushed back they will fill the reservoir again... one wheel at a time.
Be sure to identify the correct pad based on what you took out and what is on the other side (if you screwed up the layout)
Make sure to take the old antisqueek backing plate from the old pad and place it on the new pad. They don't use lubricant on these anymore.
Replace the pads... the retention rods... then the retention spring
Do the other side
Then progressively step on the brake peddle until full tension is felt
Check the master cylinder reservoir... probably needs no additional fluid.
New pads will register in existing ridges in each disc in no time at all.
You should check the discs to see if they need to be replaced during this operation...using some calipers
Posted on Mar 25, 2009
start by bleeding the brakes, readjust the rear, make sure the calipers are sliding free, a bad wheel bearing can also cause a problem
Posted on Nov 12, 2009
SOURCE: 2008 rav-4 toyota brake pedal
If you own a Toyota with (BA) Brake Assist, it may be out of adjustment. It is adjustable on the 2010 Highlander and I would guess that it might be adjustable on your Toyota vehicle as well. (Assuming this is actually your problem, you have had it checked out by your service department and they said there is nothing wrong or that it was normal.) If the brake assist is out of adjustment it may be coming on too soon or when minimal brake pressure is applied. This causes a long brake pedal (brake fade or the pedal travels longer than normal before resistance is felt) and/or jerky brakes. As far as the Hill Climb Assist or DSC, this feature is activated when the brakes are applied after the vehicle has come to a stop and then you continue to press harder on the brakes for a couple more seconds. It also comes on if you drive with two feet. If you have your foot on the brake and you press slightly on the accelerator (when the vehicle is completely stopped), the DSC will come on and you will hear the chirp.
Posted on Jan 29, 2010
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