Section 03-03: Engine Cooling | 1993 Mustang Workshop Manual |
| Vehicle Application | Specified Cap Pressure psi | Lower Limit psi (Must Retain) | Upper Limit psi (Must Relieve) |
|---|---|---|---|
| Mustang | 16 | 13 | 18 |
| Engine | Description | Specification |
|---|---|---|
| 2.3L (140 CID) | Starts to Open °F
Fully Open |
188°-195°
212° |
| 5.0L (302 CID) | Starts to Open °F
Fully Open |
188°-195°
212° |
| Cooling Option | Water Pump Pulley Ratio | Engine RPM Required to Run Water Pump @ 2000 RPM | Fan Test Speed Water Pump @ 2000 RPM | |
|---|---|---|---|---|
| Min. Speed Test Cold Fan Max.—RPM | Max. Speed Test Hot Fan Min.—RPM | |||
| ALL (5.0L) | 1.25:1 | 1600 | 1100 | 1500 |
| Description | Nm | Lb-Ft | Lb-In |
|---|---|---|---|
| Fan to Drive Clutch | 16-24 | 12-17 | |
| Nut Fitting | 24-31 | 18-23 | |
| Fan Clutch to Water Pump 5.0L | 20-27 | 15-22 | |
| Thermostat Housing Bolts—2.3L | 19-29 | 14-21 | |
| Thermostat Housing Bolts—5.0L | 16-24 | 12-17 | |
| Distributor Hold Down—5.0L | 24-35 | 18-25 | |
| Heater Hose Clamp (2.3L) | 1-2 | 9-17 (Lb-In) | |
| Fan Mounting Bracket | 8-10.5 | 71-92 (Lb-In) | |
| Fan Motor to Shroud Bracket | 5.5-7 | 49-61 (Lb-In) | |
| Draincock | 16-20 | 12-14 | |
| Oil Cooler Retainer | 2-6 | 18-53 (Lb-In) | |
| Cooler Lines | 16-23 | 12-16 | |
| Clutch Retaining Bolt | 20-30 | 15-22 | |
| Fan Clutch-to-Water Pump | 20-30 | 15-22 | |
| Hose Clamp | 2.7-5.4 | 24-47 (Lb-In) |