2007 Toyota Tacoma w/Bad Rear Brakes

[Stachi]

Re: 2007 Toyota Tacoma w/Bad Rear Brakes

Well, I really wish I had saved them, then I could wipe that smirk off your face.

But it's a fact, jack.

are you talking about front pads or rear shoes ?

 

[Stachi]

Re: 2007 Toyota Tacoma w/Bad Rear Brakes

Being rear drive is almost irrelevent. The reason pickup trucks' rear brakes don't need to do more of the work is that 70% of the resting weight is on the front end! Only when you load heavy stuff in the bed of a truck does it have any appreciable weight back there. If you had the rear brakes doing half the braking, they'd be trying to slide everytime you applied the brakes. Ever wonder why GM and Dodge (and maybe Ford too) equipped their pickups with rear wheel anti-lock brakes only, long before they put 4 wheel ABS on them? That's right, cause they are so light in the back, the rear brakes would lock up under heavy braking, thus making the trucks squirrely!

cars and trucks are set up the same ...70 front 30 rear...with the exception of the load sensing proportioning valve on the rear of most newer trucks...as the weight in the bed of the truck increases, the proportioning valve delivers more of the braking to the rear to accomodate the extra weight. If you look at the backng plate on the rear wheel...you will see an oblong or round rubber plug ,remove it and look inside with a flashlight and you shoud see the star wheel...use a screwdriver and turn the star wheel a click or two at a time, spin the tire until you feel the brakes dragging on the drum....do the same to the other wheel and try to keep the adjustment the same for each side....you may notice it being a bit difficult to turn the star wheel....this is due to rust or gunk on the threads ( thats why it isn't self adjusting )

 

[Knightgang]

Re: 2007 Toyota Tacoma w/Bad Rear Brakes

Surface rust or not, they should be self adjusting. stating that they are not self adjusting and stating that there are isue with the self adjusters are two different things...

A friend of mine used to work at a Chevy dealership and said that they had a service manager that (when work was slow) would sell rear brake cleaning and adjustings to sutomers for $65 to create work to keep the techs busy. He said that 95% of the ones he did, no cleaning or adjustment was needed, all they did was remove the wheel and drum, blow out the dust with an air hose and put back together.

I would be suspicious that the dealer is trying to create work for the shop by getting over on you...

 

[rndn]

Re: 2007 Toyota Tacoma w/Bad Rear Brakes

Surface rust or not, they should be self adjusting. stating that they are not self adjusting and stating that there are isue with the self adjusters are two different things...

A friend of mine used to work at a Chevy dealership and said that they had a service manager that (when work was slow) would sell rear brake cleaning and adjustings to sutomers for $65 to create work to keep the techs busy. He said that 95% of the ones he did, no cleaning or adjustment was needed, all they did was remove the wheel and drum, blow out the dust with an air hose and put back together.

I would be suspicious that the dealer is trying to create work for the shop by getting over on you...

I appreciate the input, but this was strickly a warranty service. The sponge feel on the brakes went away after the adjustment, so I know they were out of adjustment.

 

[Knightgang]

Re: 2007 Toyota Tacoma w/Bad Rear Brakes

If that was the case and you are satisfied, I cannot deny that and will not try to. I am glad you got good service and that they did it under warranty, mast dealerships would have said it was normal wear and would have charged for that.

There are other reasons for brakes being spongy and the most common is air in the lines from low fluid during excessive pad wear periods and/or a bad master cylinder or booster. A shop can simply bleed brakes and top off fluid to get the spongy feel to go away...

I know that you were already aware of this, but others may not know it, so i posted this for the benefit of the group...

Be safe, glad your brakes are Aokay...

 

[TilliamWe]

Re: 2007 Toyota Tacoma w/Bad Rear Brakes

are you talking about front pads or rear shoes ?

Please re-read post #7

 

[Stachi]

Re: 2007 Toyota Tacoma w/Bad Rear Brakes

Please re-read post #7

no way ,no how...the pads , or wiping the smirk....I have installed new pads on more vehicles than I can remember this month alone, to believe you got 115,000 out of a set..........

time to get out my chest waders it looks like.....

 

[windsors03cobra]

Re: 2007 Toyota Tacoma w/Bad Rear Brakes

70/30 brake bias sounds good for most passenger cars
90/10 sounds more like it for light trucks IMO

I have seen way more properly working and properly adjusted and never manually rear drum brakes than I have seen non working and mal adjusted rear drums.

I have not seen weight adjusted brake bias valves on the back of trucks since mid 80's Ford Models while I have seen those stupid bias valves on ChryCo minivans.

I like the look of rear disks on my open faced wheel rim Mustang but would prefer long lasting and durable drum on a daily driver.
I always Nevr-Seize the star wheeled adjuster and have encountered very few that are rust seized despite being in rust belt WI.

Some may says its junk but drum brakes have been around for a long time and will be around for a long time to come on big trucks and for good reason.
And no doubt about how a person drives and uses their brakes and how long those brakes last.
Also some automobiles just have crappy and or badly designed or undersized brake components that wear out and fail more often than a well designed king sized brake on a vehicle engineered to last half a million miles.

 

[Stachi]

Re: 2007 Toyota Tacoma w/Bad Rear Brakes

70/30 brake bias sounds good for most passenger cars
90/10 sounds more like it for light trucks IMO

I have seen way more properly working and properly adjusted and never manually rear drum brakes than I have seen non working and mal adjusted rear drums.

I have not seen weight adjusted brake bias valves on the back of trucks since mid 80's Ford Models while I have seen those stupid bias valves on ChryCo minivans.

I like the look of rear disks on my open faced wheel rim Mustang but would prefer long lasting and durable drum on a daily driver.
I always Nevr-Seize the star wheeled adjuster and have encountered very few that are rust seized despite being in rust belt WI.

Some may says its junk but drum brakes have been around for a long time and will be around for a long time to come on big trucks and for good reason.
And no doubt about how a person drives and uses their brakes and how long those brakes last.
Also some automobiles just have crappy and or badly designed or undersized brake components that wear out and fail more often than a well designed king sized brake on a vehicle engineered to last half a million miles.

take a good look under a 1999 Ram 2500....you'll find the load portioning valve...just did one today...and what is stupid about the system ? Add weight to the rear, and it lifts the front...... curious what half million mile vehicle your are referring to....

 

[airdvr1227]

Re: 2007 Toyota Tacoma w/Bad Rear Brakes

GM had a similar problem in the late 80's and early 90's. The rear disk brake setup on the midsize cars required using the parking brake to adjust them. SInce nobody did the brake slides would rust up and the rears would stop working altogether.

Maybe Toyota's looking for some bailout money...

 

[TilliamWe]

Re: 2007 Toyota Tacoma w/Bad Rear Brakes

no way ,no how...the pads , or wiping the smirk....I have installed new pads on more vehicles than I can remember this month alone, to believe you got 115,000 out of a set..........

time to get out my chest waders it looks like.....

It's a fact and if you want to call me a liar on this board in front of everyone, so be it, but you are dead wrong.

I am right, you are wrong, end of story.

"GM had a similar problem in the late 80's and early 90's. The rear disk brake setup on the midsize cars required using the parking brake to adjust them. SInce nobody did the brake slides would rust up and the rears would stop working altogether."

Yes, absolutely true. Had a 1990 Lumina that wore out front pads in 19k. Started using the parking brake, and the pads lasted 30k the next time.
That system has been completely changed, and the parking brake no longer adjusts the rear brakes. As a matter of fact, the rear parking brake is now a small drum brake system that works against the inside of the disc brake rotor hub. I know Stachi will say that's impossible, but that's how it works.

 

[Stachi]

Re: 2007 Toyota Tacoma w/Bad Rear Brakes

It's a fact and if you want to call me a liar on this board in front of everyone, so be it, but you are dead wrong.

I am right, you are wrong, end of story.

"GM had a similar problem in the late 80's and early 90's. The rear disk brake setup on the midsize cars required using the parking brake to adjust them. SInce nobody did the brake slides would rust up and the rears would stop working altogether."

Yes, absolutely true. Had a 1990 Lumina that wore out front pads in 19k. Started using the parking brake, and the pads lasted 30k the next time.
That system has been completely changed, and the parking brake no longer adjusts the rear brakes. As a matter of fact, the rear parking brake is now a small drum brake system that works against the inside of the disc brake rotor hub. I know Stachi will say that's impossible, but that's how it works.

I said it is impossible to get 115,000 miles on a set of pads.......I work on both types of disc brake rear set ups,the internal drum/disc is much easier to work on, no special tools needed to compress the piston....it seems you are basing your comments on only the cars that you have owned,....I probably work on close to 100 cars a month ,this is what I do for a living...still wondering what half million mile vehicle you were referring to......

 

[ezmobee]

Re: 2007 Toyota Tacoma w/Bad Rear Brakes

Nothing good can come of leaving this mess open. Closed.