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Does Tundra breaks have the same problem as Ford? #4490102
08/16/17 11:51 AM
08/16/17 11:51 AM
Joined: Aug 2015
Posts: 27
Indiana
CaptainFreon Offline OP
CaptainFreon  Offline OP
Joined: Aug 2015
Posts: 27
Indiana
When Ford loses break fluid for one wheel, all four wheels lose break. That has happened more than once on my 97 F-150. Another man said the same on his newer Ford.
I did not have that problem on the one 1980's-ish GM I had. I was told the GM master cylinders keep rear and front separate, so that you have at least TWO breaks working....Unlike Ford. Ford's design could have killed me once.
How does Toyota Tundra's breaks compare?
Thank you.

Re: Does Tundra breaks have the same problem as Ford? [Re: CaptainFreon] #4490115
08/16/17 12:01 PM
08/16/17 12:01 PM
Joined: Mar 2008
Posts: 56
SC
cookieman214 Offline
cookieman214  Offline
Joined: Mar 2008
Posts: 56
SC
Originally Posted By: CaptainFreon
When Ford loses break fluid for one wheel, all four wheels lose break. That has happened more than once on my 97 F-150. Another man said the same on his newer Ford.
I did not have that problem on the one 1980's-ish GM I had. I was told the GM master cylinders keep rear and front separate, so that you have at least TWO breaks working....Unlike Ford. Ford's design could have killed me once.
How does Toyota Tundra's breaks compare?
Thank you.


In the industry, this is referred to as "Breaks Broke"

Re: Does Tundra breaks have the same problem as Ford? [Re: CaptainFreon] #4490121
08/16/17 12:04 PM
08/16/17 12:04 PM
Joined: Oct 2009
Posts: 3,947
Ohio
L_Sludger Offline
L_Sludger  Offline
Joined: Oct 2009
Posts: 3,947
Ohio
The only fuel I want to throw on this genuine dumpster fire of a thread is the following historical note.
When hydraulic brakes were developed in the late 1930s, Henry Ford stubbornly refused to incorporate them into the Ford lineup. They even marketed their prehistoric mechanical braking system as "The Safety of Steel from Pedal to Wheel"

Oh, and the Tundra has a dual circuit brake system.
ps, dual circuit brakes have been Federally mandated for fifty years.


too many cars and oil combinations to list in 150 characters or less
Re: Does Tundra breaks have the same problem as Ford? [Re: CaptainFreon] #4490124
08/16/17 12:07 PM
08/16/17 12:07 PM
Joined: Jun 2015
Posts: 66
VA, US
SoNic67 Offline
SoNic67  Offline
Joined: Jun 2015
Posts: 66
VA, US
Isn't the F150 dual circuit?
Probably you lost the front circuit and the rear brakes, on any truck, can't do too much when bed is empty (proportioning valve is basically closed, so no braking on rear).

Last edited by SoNic67; 08/16/17 12:09 PM.
Re: Does Tundra breaks have the same problem as Ford? [Re: CaptainFreon] #4490125
08/16/17 12:10 PM
08/16/17 12:10 PM
Joined: Jan 2008
Posts: 3,972
Guilford, CT
exranger06 Offline
exranger06  Offline
Joined: Jan 2008
Posts: 3,972
Guilford, CT
Pretty much all modern vehicles, including your 97 Ford, have dual circuit brakes. The problem is it's not a very effective system. If you bust a brake line, you're basically going to have no stopping power, even if you have dual circuit brakes.


2006 Ford Ranger Sport
1992 Honda Accord EX
2004 Honda CR-V LX
1994 Ford Bronco XLT (project)
2011 Cadillac Escalade ESV (wife's)
Re: Does Tundra breaks have the same problem as Ford? [Re: exranger06] #4490139
08/16/17 12:28 PM
08/16/17 12:28 PM
Joined: Aug 2015
Posts: 27
Indiana
CaptainFreon Offline OP
CaptainFreon  Offline OP
Joined: Aug 2015
Posts: 27
Indiana
Dual circuit or not... What you said is EXACTLY what happens. This is the 3rd time.
ty

Re: Does Tundra breaks have the same problem as Ford? [Re: CaptainFreon] #4490144
08/16/17 12:31 PM
08/16/17 12:31 PM
Joined: Sep 2002
Posts: 4,097
Lakeville, MN
MNgopher Offline
MNgopher  Offline
Joined: Sep 2002
Posts: 4,097
Lakeville, MN
Dual braking systems have only been mandatory since the government mandates their use in 1967 - 50 years ago.

If your 97 F150 was like mine, it had drum rear brakes, which when out of adjustment and combined with the abs brakes could feel like no brakes..

Re: Does Tundra breaks have the same problem as Ford? [Re: MNgopher] #4490162
08/16/17 12:51 PM
08/16/17 12:51 PM
Joined: Aug 2015
Posts: 27
Indiana
CaptainFreon Offline OP
CaptainFreon  Offline OP
Joined: Aug 2015
Posts: 27
Indiana
All the fluid squirts out of a rotted break line. master cylinder empties, and peddle is dead at floor. Perhaps there is something else wrong ?

Re: Does Tundra breaks have the same problem as Ford? [Re: CaptainFreon] #4490213
08/16/17 01:55 PM
08/16/17 01:55 PM
Joined: Aug 2011
Posts: 9,560
Boston, MA
HerrStig Offline
HerrStig  Offline
Joined: Aug 2011
Posts: 9,560
Boston, MA
Originally Posted By: CaptainFreon
All the fluid squirts out of a rotted break line. master cylinder empties, and peddle is dead at floor. Perhaps there is something else wrong ?
Vehicles have BRAKES. Dual circuit master cylinders have a divided master cylinder reservoir, one circuit can empty and fluid will remain in the other part of the reservoir. As others have mentioned, if the front brakes develop a leak the rears will still work, but rear drums don't work that well on a pickup with no load because of a valve which is supposed to compensate for the lack of traction and reduce lockup. Regards to Mr. Dunning and Mr. Kruger.

Last edited by HerrStig; 08/16/17 02:02 PM.
Re: Does Tundra breaks have the same problem as Ford? [Re: HerrStig] #4490235
08/16/17 02:24 PM
08/16/17 02:24 PM
Joined: Aug 2015
Posts: 27
Indiana
CaptainFreon Offline OP
CaptainFreon  Offline OP
Joined: Aug 2015
Posts: 27
Indiana
Why would the master cylinder empty, losing all breaks with a bad leaking rear wheel break line?
bad master cylinder?

Last edited by CaptainFreon; 08/16/17 02:24 PM.
Re: Does Tundra breaks have the same problem as Ford? [Re: CaptainFreon] #4490239
08/16/17 02:28 PM
08/16/17 02:28 PM
Joined: Feb 2003
Posts: 7,415
Jupiter, Florida
Cujet Offline
Cujet  Offline
Joined: Feb 2003
Posts: 7,415
Jupiter, Florida
Originally Posted By: CaptainFreon
All the fluid squirts out of a rotted break line. master cylinder empties, and peddle is dead at floor. Perhaps there is something else wrong ?


It's always possible the rear brake cylinders are frozen. The Ford system on the late 90's trucks were absolutely dual systems. However, the loss of the front does not mean the other works normally. It does not. The pedal will go to the floor and the truck will not have any significant braking power even with the rear system 100% intact. They are drum brakes, and there is little pressure actuating them, as the pedal will move to the floor. The dual master cylinder has no way to maintain a firm pedal with the loss of one system.

Modern vehicles with anti lock brakes have their own set of more complicated problems. Especially as they age.


People who count on their fingers should maintain a discreet silence.
Re: Does Tundra breaks have the same problem as Ford? [Re: CaptainFreon] #4490251
08/16/17 02:46 PM
08/16/17 02:46 PM
Joined: Nov 2005
Posts: 3,228
FL
mcrn Online content
mcrn  Online Content
Joined: Nov 2005
Posts: 3,228
FL
Brakes


2012 Nissan Rogue
Re: Does Tundra breaks have the same problem as Ford? [Re: mcrn] #4490255
08/16/17 02:59 PM
08/16/17 02:59 PM
Joined: Sep 2010
Posts: 6,986
Texas
4WD Offline
4WD  Offline
Joined: Sep 2010
Posts: 6,986
Texas
Are they covered by the 20 year extended warranty?

Re: Does Tundra breaks have the same problem as Ford? [Re: mcrn] #4490260
08/16/17 03:10 PM
08/16/17 03:10 PM
Joined: Feb 2012
Posts: 3,870
NEUS
Bandito440 Offline
Bandito440  Offline
Joined: Feb 2012
Posts: 3,870
NEUS
Originally Posted By: mcrn
Brakes

Brakes broke


'14 Grand Cherokee EcoDiesel
Rotella T6 5w-40 & OEM filter
Re: Does Tundra breaks have the same problem as Ford? [Re: CaptainFreon] #4490267
08/16/17 03:22 PM
08/16/17 03:22 PM
Joined: Nov 2015
Posts: 337
East Tennessee
Starman2112 Offline
Starman2112  Offline
Joined: Nov 2015
Posts: 337
East Tennessee
Gimme a brake...


2010 Toyota Camry LE 2.5L, Mobil 1 AFE 0W-20, OEM filter
1998 Nissan Frontier XE 2.4L, Castrol GTX HM 5W-30, M1 filter
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