Correct brake master cylinder
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Mountain Pass
Joined: Oct 2011
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Correct brake master cylinder
I have a 73 f250 highboy and have always had issues with the brake pedal not returning all the way which leaving my brakes lights on from time to time. does anyone have an idea as to which master cylinder I need for my truck?
Hotshot
Joined: Apr 2009
Posts: 14,333
Likes: 247
From: Stanley, VA
More than likely it's not the master cylinder. Check your brake light switch. The way Ford retained the switch wasn't one of their better ideas. It uses a push nut kinda set up and the switch will gradually push through the little retainer sleeve allowing the switch to move away from the pedal and remain on.
New switches come with actual nuts that won't lose their adjustment.
New switches come with actual nuts that won't lose their adjustment.
Hotshot
Joined: Apr 2009
Posts: 14,333
Likes: 247
From: Stanley, VA
Gotcha, do you have power or manual brakes?
Hotshot
Joined: Apr 2009
Posts: 14,333
Likes: 247
From: Stanley, VA
Master Cylinder
'73 F250 4WD and drum brakes w/o booster 1" bore
before s/n R00,001
D3TZ-2140-M replaced by D3TZ-2140-N
from s/n R00,001 D3TZ-2140-N
'73 F250 4WD and drum brakes with booster 1" bore
before s/n S60,001
D3TZ-2140-A replaced by D3TZ-2140-P
from s/n S60,001 D3TZ-2140-P
McDonald Obsolete Parts, Rockport, IN has 1 each of the -N and -A (812) 359-4965
Green Sales, Cincinnati, OH has 21 of the -N (800) 543-4959
Bowman Sales and Service, Bowman, ND has one of the -P (701) 523-3257
'73 F250 4WD and drum brakes w/o booster 1" bore
before s/n R00,001
D3TZ-2140-M replaced by D3TZ-2140-N
from s/n R00,001 D3TZ-2140-N
'73 F250 4WD and drum brakes with booster 1" bore
before s/n S60,001
D3TZ-2140-A replaced by D3TZ-2140-P
from s/n S60,001 D3TZ-2140-P
McDonald Obsolete Parts, Rockport, IN has 1 each of the -N and -A (812) 359-4965
Green Sales, Cincinnati, OH has 21 of the -N (800) 543-4959
Bowman Sales and Service, Bowman, ND has one of the -P (701) 523-3257
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Mountain Pass
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Hotshot
Joined: Apr 2009
Posts: 14,333
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From: Stanley, VA
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