Wiper Arm - Adjustment Procedure

91ford06

Article No. 91-5-4


WINDSHIELD WIPER ARMS - ADJUSTMENT PROCEDURE


FORD: 1989-91 THUNDERBIRD

LINCOLN-MERCURY: 1989-91 COUGAR

1990-91 TOWN CAR


ISSUE: The wiper arms are located and installed by a key in the arm and a keyway in the pivot shaft. This type of installation does not allow for adjustment, when required.

ACTION: This article provides procedures and illustrations so adjustments can be performed. Refer to the following procedure for service details.

Figure 1:

ALL VEHICLES

1. Remove the arm and blade assembly from vehicle. Refer to the appropriate year Car Shop Manual, Section 35-60 for removal procedure.

2. Using a small flat end screwdriver, pry out the plastic key from the arm as shown in figure 1.

NOTE: WINDSHIELD WIPER SYSTEM MUST BE CYCLED AND IN THE PARKED POSITION BEFORE THE ARMS AND BLADES ARE INSTALLED.

Figure 2:

LINCOLN TOWN CAR

1. Locate the arm to the specified installation position, lay the arm over the wiper stop of the leaf screen assembly as shown in figure 2.

2. Install the arm while maintaning contact with the arm stop. Lock arm onto pivot shaft by applying downward pressure on the arm head. To ensure full seating, raise the other end of the arm high enough to allow the latch to slide under the pivot shaft into the latched position using finger pressure only to slide the latch.


3. Leave arm positioned above the leaf screen ramp stop, until arm on opposite side is installed as in steps 3 through 4 and similarly positioned. Then push both arms down and rearward so that the front of the arm bumpers rest against the ramp stops (park position).

Figure 3:

THUNDERBIRD/COUGAR

1. Locate the blade assembly to the specified installation position as shown in figure 3.

2. Install and lock arm on pivot shaft by applying downward pressure on the arm head and raising the blade end enough to allow the latch to slide under the pivot shaft. Use finger pressure only to slide latch.

OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: Eligible Under Basic Warranty Coverage
OPERATION DESCRIPTION TIME
910504A Adjust Wiper Arms 0.3 Hr.
DEALER CODING
BASIC PART NO. CONDITION CODE
17527 07
OASIS CODES: 202000, 290000