Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1987 Ford Bronco II 4WD V6-177 2.9LFACTORY OEM SERVICE PROCEDURE
Speed Control - Abnormal Operation When Hot
89ford03
Article No. 89-3-4
SPEED CONTROL - COAST AND ACCELERATION MODES - ABNORMAL OPERATION IN HIGH AMBIENT TEMPERATURES
FORD: 1986-89 ALL
LINCOLN-MERCURY: 1986-89 ALL
LIGHT TRUCK: 1986-89 ALL
ISSUE: Abnormal speed control operation in the coast and acceleration modes may be caused by loss of electrical contact between the steering wheel slip rings and brush assembly. This condition usually occurs in high ambient temperatures when the steering wheel slip rings and brush assembly are warm.
ACTION: Improve the electrical continuity of the steering wheel slip rings and brush assembly by applying a new service released grease on the contact area. Refer to the following procedure for service details.
1. Remove the steering wheel, Refer to the appropriate Car or Light Truck Shop Manual for service details.
2. Clean the old grease from the steering wheel slip rings and brush assembly contact areas.
3. Apply the new service released grease, (E8AZ-19590-A), on the steering wheel slip rings and brush assembly contact surfaces. This new grease can be identified by its bright orange/red color.
4. Reinstall steering wheel.
PART NUMBER PART NAME CLASS
E8AZ-19590-A Grease B
OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: Eligible Under Basic Warranty Coverage
OPERATION: 890304A
TIME: 0.4 Hr.
DLR. CODING: Basic Part No. 9C899
Condition Code: 53
OASIS CODES: 2900
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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