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 Mustang L4-140 2.3L SOHCFACTORY OEM SERVICE PROCEDURE
Octane Rod, Replace
Fig. 9 Exploded view of TFI-IV ignition system distributor:
1. Remove distributor cap and rotor.
2. Remove octane rod attaching rod from octane adjustment boss.
3. Slide octane rod and grommet out and disengage from stator retaining post, Fig. 9.
4. Reverse procedure to install. Torque attaching screw to 15---35 inch lbs. on front wheel drive models, or 20---30 inch lbs. on rear wheel drive models.
Factory Service Tools
Use the Manual With the Right Hardware
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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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