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.
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HOMESERVICE MANUALSMERCURY1991TRACER BASE, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 143 (HVAC SYSTEM - A/C-HEATER SYSTEM - AUTOMATIC)A/C SYSTEM SPECIFICATIONS
1991 Mercury Tracer Base, 4D Sedan, Automatic
A/C System Specifications
1991 Mercury Tracer Base, 4D Sedan, AutomaticSECTION A/C System Specifications
WARNING: This page is about a different car, the 1996 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
To avoid injury from accidental air bag deployment, read and carefully follow all SERVICE PRECAUTIONS and DISABLING & ACTIVATING AIR BAG SYSTEM procedures in the AIR BAG RESTRAINT SYSTEM article in the ACCESSORIES/SAFETY EQUIPMENT section.
SPECIFICATIONS
| Application | Specification | |||||
|---|---|---|---|---|---|---|
| Compressor Type | Ford FS-10 10-Cyl. | |||||
| System Oil Capacity | (1) 7.0 ozs. | |||||
| Refrigerant (R-134a) Capacity | 39.0-41.0 ozs. | |||||
| System Operating Pressures (2) | ||||||
| High Side | 160-250 psi (11.2-17.6 kg/cm2 ) | |||||
| Low Side | 20-50 psi (1.4-3.5 kg/cm2 ) | |||||
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RENDER: 1.0x
NO RELATED
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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.