A/C System Specifications

1991 Mercury Tracer Base, 4D Sedan, AutomaticSECTION A/C System Specifications
WARNING: This page is about a different car, the 1994 Mercury Sable and 1994 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
A/C SYSTEM SPECIFICATIONS

Application Specification
Compressor Type
3.0L (Except SHO) & 3.8L Ford FS-10 10-Cyl.
3.0L SHO & 3.2L SHO Nippondenso 10P15F 10-Cyl.
Compressor Belt Tension 140-160 lbs. (63.5-72.5 kg)
System Oil Capacity (1)
3.0L (Except SHO) & 3.8L 7 ozs.
3.0L SHO & 3.2L SHO 8 ozs.
Refrigerant Capacity 31-33 ozs.
System Operating Pressures (2)
High Side 130-230 psi (9.1-16.1 kg/cm2 )
Low Side 22-47 psi (1.5-3.3 kg/cm2 )
(1) Systems with R-134a must use PAG (YN-12) Refrigerant Oil Ford Specification WSH-M1C231-B).
(2) Operating pressures at ambient temperature of 80Β°F (27Β°C).
RENDER: 1.0x

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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.