Section 06-05: Brake System, Parking
1997 F-250 Heavy Duty, F-350, F-Super Duty Chassis Cab and Motorhome Chassis Vehicles Workshop Manual
DESCRIPTION AND OPERATION

Control Assemblies

Parking Brake, Cable-Actuated Rear Wheel

On F-250 Heavy Duty and F-350, each rear wheel brake assembly contains a cable-actuated parking brake assembly. A release handle is built into the parking brake control (2780).

Brake Assembly, F-250 Heavy Duty and F-350

ItemPart NumberDescription
12261Rear Wheel Cylinder
22200Rear Brake Shoe and Lining
32A719Brake Shoe Adjusting Lever Cable Guide
(Shows Location Only)
42A178Brake Shoe Adjusting Lever Cable
52049Brake Shoe Adjusting Screw Spring
62A176Brake Shoe Adjusting Lever
72041Brake Adjuster Screw
82A635Parking Brake Rear Cable and Conduit, Left
92068Brake Shoe Hold-Down Spring
102200Rear Brake Shoe and Lining
112035Brake Shoe Retracting Spring
122A642Primary Brake Shoe Parking Brake Lever Link

Parking Brake System, F-250 Heavy Duty and F-350

ItemPart NumberDescription
13B139Steering Column Support Bracket
22780Parking Brake Control
32853Front Parking Brake Cable and Conduit
42A793Cable, Intermediate
52A602Parking Brake Cable Equalizer
6N647097-SRivet
72530Parking Brake Cable Bracket
82A635Parking Brake Rear Cable and Conduit, Right
957632-S2Screw and Washer, Cable Clip-to-Differential
10N807947-S100Clip
112A635Parking Brake Rear Cable and Conduit, Left
12N620481-S2Nut, Parking Brake Control-to-Steering Column Support
1340949-S2Screw, Cable Clip-to-Frame
14N800962-S32Clip, 10 x 10
ATighten to 17-23 Nm
(13-17 Lb-Ft)
BTighten to 17-23 Nm
(13-17 Lb-Ft)
CTighten to 24-30 Nm
(18-22 Lb-Ft)

Parking Brake, Cable-Actuated, Transmission-Mounted

A transmission-mounted manually operated parking brake is used on F-Super Duty vehicles.

The parking brake is mounted to the transmission extension housing and incorporates a case assembly and a cable-actuated 9x3-inch Bendix brake assembly.

Parking Brake Assembly, F-Super Duty

ItemPart NumberDescription
15005Frame
22853Front Parking Brake Cable and Conduit
3Front Parking Brake Cable and Conduit Mounting Bracket (Part of 2598)
44602Driveshaft
5Parking Brake Drum
(Part of 2598)
676007-S8Clevis Pin
7Clevis (Part of 2853)

The case assembly consists of opposed-mounted roller bearings, companion flange and mainshaft assembly installed in a one-piece aluminum parking brake assembly case. On F-Super Duty Motorhome vehicles only, the electronic speedometer transducer is driven by the speedometer drive gear, splined to the mainshaft in the parking brake assembly. The case assembly has its own lubrication supply, separate from the transmission (7003). The parking brake is applied and released by a parking brake control.

Parking Brake Assembly, F-Super Duty Chassis Cab

ItemPart NumberDescription
12780Parking Brake Control
22598Parking Brake Assy, Transmission Mounted
32853Front Parking Brake Cable and Conduit
42595Front Parking Brake Cable and Conduit Clamp
5Fill Port (Part of 2598)
676007-S8Clevis Pin
7352358-S2Self-Locking Pin
87086Extension Housing Gasket
9N605804-S100Extension Housing-to-Parking Brake Assy Bolt
10N620481-S2Parking Brake Control-to-Steering Column Support Bracket Nut
113B139Steering Column Support Bracket
12N606690-S36Front Parking Brake Cable and Conduit Clamp Bolt
13N6Z0481-S2Front Parking Brake Cable and Conduit Clamp Nut
ATighten to 17-23 Nm
(13-27 Lb-Ft)
BTighten to 34-57 Nm
(25-42 Lb-Ft)
CTighten to 22-28 Nm
(16-21 Lb-Ft)

Parking Brake Assembly, F-Super Duty Motorhome Chassis

The front parking brake cable and conduit (2853) is attached to an intermediate cable connector, which is linked to the parking brake cable equalizer (2A602). Both the RH parking brake rear cable and conduit (2A635) and the LH parking brake rear cable and conduit are coupled to the parking brake cable equalizer and their respective rear brake assemblies.

ItemPart NumberDescription
12780Parking Brake Control
22853Front Parking Brake Cable and Conduit
32A293Intermediate Cable