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Discussion Starter #1 (Edited)
Please help,

I have premature pad wear, so I have changed front hoses, front lines from ABS to fronts now i have a new hose for rear from frame. I believe the Proportioning valve on the master cyl which looks like a big nut is bad but I cannot find a ford part number to research or order the damn thing on the internet. Before I tear into the brake system again, i wanted to line up all my parts before hand not one a week. Anyone got an idea what the damn number is and roughly how much the thing costs, I understand its a dealer only part. So living down here in So Fla I am at their mercy on price.

Thanks Red
 

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yo RED,
Some info for you;
"...I'm going to get a whole new valve soon, and I'd suggest you do the same. You can only get them from a Ford parts counter, or at least I have yet to find another source. They run about $50, IIRC. & Overview in a 96 from Workshop Manual; "...The brake pressure control valve regulates the hydraulic pressure in the rear brake system. It is located between the rear brake system's inlet and outlet ports in the main valve. When the brake pedal (2455) is applied, the full brake fluid pressure passes through the brake pressure control valve to the rear brake system until the valve's split point is reached. Above its split point, the brake pressure control valve begins to reduce the hydraulic pressure to the rear brakes, creating a balanced braking condition between the front and rear wheels to minimize rear wheel lock-up during hard braking.In case of the front brake system malfunction, the brake master cylinder fluid control valve has a bypass feature, which allows full hydraulic pressure to the rear brake system..."
Source: by Ford via SigEpBlue (Steve) at FSB



and this is from da 1996 F-150, F-250, F-350, Bronco and F-Super Duty Workshop Manual

Item Part Number Description
1 2162 Brake Master Cylinder Filler Cap
2 — Float (Part of 2L454)
3 2L454 Brake Master Cylinder Reservoir
4 — Brake Master Cylinder Grommets (Part of 2L454)
5 2140 Brake Master Cylinder
6 — Stop Bolt (Part of 2140)
7 — Primary Piston (Part of 2004)
8 — Snap Ring (Part of 2004)
9 — Secondary Piston
(Part of 2004)
10 2C161 Brake Master Cylinder Fluid Control Valve

Brake Master Cylinder
WARNING: BRAKE FLUID CONTAINS POLYGLYCOL ETHERS AND POLYGLYCOLS. AVOID CONTACT WITH EYES. WASH HANDS THOROUGHLY AFTER HANDLING. IF BRAKE FLUID CONTACTS EYES, FLUSH EYES WITH RUNNING WATER FOR 15 MINUTES. GET MEDICAL ATTENTION IF IRRITATION PERSISTS. IF TAKEN INTERNALLY, DRINK WATER AND INDUCE VOMITING. GET MEDICAL ATTENTION IMMEDIATELY.

Disassembly

Remove the brake master cylinder (2140) from the vehicle.

Clean the outside of the brake master cylinder. Remove the brake master cylinder filler cap (2162) and gasket. Drain and discard any brake fluid that remains in the brake master cylinder.

If equipped, remove the brake master cylinder fluid control valve from the brake master cylinder.

Remove stop-bolt from the bottom of the brake master cylinder.
Depress the primary piston and remove snap ring from retaining groove at the rear of the brake master cylinder bore
Remove primary piston assembly from the brake master cylinder bore. Discard assembly.

Remove the secondary piston assembly by directing compressed air into the outlet port at the blind end of the bore while plugging the other outlet port. Discard assembly.

Inspect the brake master cylinder bore for signs of etching, pitting, scoring or other damage.

If bore is damaged, discard and replace with new brake master cylinder. Do not attempt to hone bore.
If bore is not damaged, rebuild brake master cylinder using the proper repair kit and the procedure below.
Assembly

Clean the brake master cylinder body with clean isopropyl alcohol to remove any contamination.

Dip the repair kit piston assemblies in clean High-Performance DOT 3 Brake Fluid C6AZ-19542-AA or -BA or equivalent DOT 3 fluid meeting Ford specification ESA-M6C25-A to lubricate seals.

Carefully insert the complete secondary piston assembly in the brake master cylinder bore.

Carefully insert the primary piston assembly in the brake master cylinder bore.

Depress the primary piston and install the snap ring in the groove in the brake master cylinder bore.

Install the stop bolt into the bottom of the brake master cylinder.

If equipped, install the brake master cylinder fluid control valve into the brake master cylinder.

Install the brake master cylinder filler cap on the brake master cylinder reservoir.

Install the brake master cylinder on vehicle.

Bleed the brakes. Refer to Service Procedures in this section. Check for proper brake operation.
 

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Discussion Starter #3
Holy Shit that was fast, I am so glad I went full member on here, thanks, I will never forget this. It just goes to show you being a part of something bigger does have it's benefits....................thanks again Red423
 

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yo,
yw and thanks to Ford and my friends for having that info available for us!

btw, I did Check http://www.fordparts.com for you and it's shown there along w/parts image and I think same diagram
Part Name: Master Cylinder Control Valve
Motorcraft (short version) Part Number: 2C161 Price: $43.42
Part Number: F8UZ2C161AA
go there to see the Parts Image


and a gOOgle for
FORD F8UZ-2C161-AA
http://www.finditparts.com/products/ford-f8uz-2c161-aa
$36.95
Item In Stock
VALVE ASY - CONTROL by Ford
--------

F8UZ-2C161-AA
http://www.rearcounter.com/F8UZ2C161AA-parts147381.html
Part:F8UZ-2C161-AA
Availability:1 found at 1 seller
Manufacturer:FORD/MOTORCRAFTDescription:
VALVE ASY - CONTROLCondition:
New OEMSellers with this part in-stock:Basic Listings
Seller in Bay Shore, NY
 

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Discussion Starter #5
Thanks again!!!!!

In my research I found the valve available from powerstroke diesel for 22.00, I think it's the same as it goes by GVW, this number goes up to 8500GVW I went to a couple ford dealers to get one and changed the rear hose finally, what a differance in braking I can actually feel the rears kicking before the fronts I am sooooo happy, no more left front lock up, and my baby is back to stopping like she should. Now on to the shocks and trying to upgrade those puppy's.
 
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