Campaign - Brake Tube Replacement

84ford24

RECALL NUMBER

479

Date February, 1984
PLEASE DISTRIBUTE COPIES OF THIS BULLETIN TO THE PARTS MANAGER AND TO THE SERVICE MANAGER

To: Selected Ford Dealers and Body Builders

Subject: Service Recall 479 - Certain 1984 DSO E350 Basic Chassis Vehicles Equipped With Hydraulic Brakes for Brake Tubes Replacement

VEHICLES INVOLVED

1984 E350 basic chassis vehicles with hydraulic brakes built at the Lorain Assembly Plant from November 15, 1983 through December 23, 1983.

DESCRIPTION OF DEFECT AND CORRECTION

Some 1984 E350 basic chassis vehicles equipped with hydraulic brakes were built with incorrect brake tubes connecting the master cylinder to the brake proportioning valve. Affected are all E350 DSO basic chassis vehicles built at the Lorain Assembly Plant from November 15, 1983 through December 23, 1983. The brake tube nut thread sizes for the front and rear brake subsystem brake tubes on these vehicles are of reversed compatibility to the brake proportioning valve connections. This results in the front and rear brake subsystems being serviced by the incorrect master cylinder reservoir compartment. As the reservoir compartments are of unequal size, less fluid volume is available to service the front brake subsystem, resulting in reduced braking capability.

To correct this condition, the hydraulic brake tubes must be replaced on the affected units.

Repair procedures, parts information and claiming instructions are provided in this Service Recall Bulletin.

*** IMPORTANT ***

No vehicle included in this recall that is currently at a body builder shop or at a dealership is to be delivered until the brake tubes affected by this recall have been replaced. Certain statements in the Incomplete Vehicle Manuals accompanying these basic chassis presume that the chassis were equipped with brake tubes of the correct design.
Any questions regarding the contents of this bulletin should be directed to your Ford Parts and Service Division District Office.

NOTIFICATION AND DEALER ACTIONS

Each affected body builder was sent a copy of the serial number listing of affected basic chassis vehicles reported to be ordered by your dealership. No other basic chassis vehicles are affected by this service action. FPSD district offices arranged with certain dealers located near body builders with affected units to replace the incorrect brake lines at the body builders' facilities. Parts were shipped to the body builders. Dealers and body builders were instructed to repair all units prior to delivery.

As all suspect units have been quarantined at body builders or dealers, no owner notification is planned at this time. However, if you have knowledge that a suspect vehicle has been delivered without replacement of the brake tubes, please contact the owner immediately and install the correct brake tubes.

SERVICE RECALL 479 ATTACHMENT I:

TECHNICAL INSTRUCTIONS

SEE ATTACHMENT I FOR DESCRIPTION AND LOCATION OF COMPONENTS

1. Park vehicle and set parking brake. Note - If vehicle has body installed, it may be necessary to perform brake tube replacement with vehicle on a hoist.
* 2. Remove brake tubes between Point "A" and Point "B". Refer to the Attachment I illustration.

3. Install new brake tubes, 1 each E4US-2B112-AB (Rear Brake Tube) and E4US-2B112-BC (Front Brake Tube).

^ Rear brake tube (-AB) goes from front of reservoir to rear of proportioning valve.
^ Front brake tube (-BC) goes from rear of reservoir to front of proportioning valve.
^ Tighten and torque as specified in Attachment I.

4. Both front and rear brake systems must then be bled and the master cylinder reservoir fluid level checked and replenished as necessary. Use brake fluid C6AZ-19542-A or B (ESA-M6C25-A). Follow procedures in the Lt. Truck Shop Manual.

5. Record vehicle identification numbers of all corrected units.

6. Identify all corrected units by applying a daub of white paint on the brake proportioning valve housing.

* After removal of the brake tubes, as described in Step 2, mutilate and scrap the brake lines to prevent re-use of the tubes.
PARTS REQUIREMENTS

All parts required for this recall were direct shipped to selected body builders. These parts will not be charged to Body Builders or dealers. If additional brake tubes are required, contact your district office for assistance.

LABOR ALLOWANCES

Install Both Brake Tubes. . . . . . . . . .0.5 Hrs. Insert in Box "B" on 1864 Form

Administrative Allowance . . .0.1 Hr.

The 0.1 hour administrative allowance must be added to the repair time before inserting the total labor time in box "B".

REPORTING OF COMPLETIONS

Upon completion of the required service, return the second copy of the Form 1864 completely filled out and signed by authorized dealer or body builder personnel. Only the Form 1864 will be accepted for reimbursement on this program. Note:
These claims may also be entered through the Direct Warranty Entry (DWE) System. It is important that all claims be filed for all completed units so that you will be reimbursed and our records will show completion. Any problem encountered with this recall should be discussed with your FPSD Service Zone Manager.