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.
1986 Mercury Sable L4-153 2.5L HSCFACTORY OEM SERVICE PROCEDURE
Integrated Relay Control Module - Service Kit
91ford22
Article No.
91-15-6
07/24/91
FAN - ELECTRO DRIVE ENGINE COOLING - AVAILABILITY OF INTEGRATED RELAY CONTROL MODULE (IRCM)
SERVICE KIT FOR USING LATER MODEL IRCM
FORD: 1986 TAURUS
LINCOLN-MERCURY: 1986 SABLE
ISSUE: An Integrated Relay Control Module (IRCM) service kit is now available for service of 1986 Taurus/Sable vehicles. It allows for the use of more reliable 1988 model IRCM modules in the 1986 Taurus/Sable vehicles.
ACTION: Install 1988 IRCMs in 1986 units after the 1986 module supply is depleted. Refer to the instruction sheet packaged in the service kit. Refer to the following 1988 Replacement IRCM Module Application Chart for correct parts usage on 1986 Taurus/Sable vehicles.
1988 REPLACEMENT SERVICE IRCM MODULE APPLICATION CHART
1988 MODULE SERVICE KIT
ENGINE TRANS. PART NO. PART NO.
2.5L ATX E8DZ-12B577-B F1PZ-12B626-A
2.5L MTX E8DZ-12B577-C F1PZ-12B626-A
3.0L ATX E8DZ-12B577-D F1PZ-12B626-A
NOTE: THE 1988 REPLACEMENT MODULE AND SERVICE KIT ARE TWO ITEMS AND MUST BOTH BE PROCURED TO SERVICE THE IRCM MODULE.
PART NUMBER PART NAME CLASS
E8DZ-12B577-B Integrated Relay Control B
Module
E8DZ-12B577-C Integrated Relay Control B
Module
E8DZ-12B577-D Integrated Relay Control B
Module
F1PZ-12B626-A IRCM Service Kit B
OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: INFORMATION ONLY
OASIS CODES: 402000
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.
