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 MANUALSBMW1993740IL (E32/2) V8-3982CC 4.0L DOHC (M60)REPAIR AND DIAGNOSISSPECIFICATIONSELECTRICAL SPECIFICATIONSREFRIGERANT PRESSURE SENSOR / SWITCH, HVAC
1993 BMW 740iL (E32/2) V8-3982cc 4.0L DOHC (M60)
Refrigerant Pressure Sensor / Switch, HVAC
1993 BMW 740iL (E32/2) V8-3982cc 4.0L DOHC (M60)SECTION Refrigerant Pressure Sensor / Switch, HVAC
| Testing Voltage | 13 +/- 0.28 | |
| High Pressure | Switching Off Pressure (with rising pressure) | 30. +/- 1.8 |
| Switching On Pressure (with rising pressure) | 21.0 +/- 1.8 | |
| Medium Pressure | Switching Off Pressure | 15.0 +/- 1.5 |
| Switching On Pressure (with rising pressure) | 18.0 +/- 1.5 | |
| Low Pressure | Switching Off Pressure | 1.5 Note: at least |
| Switching On Pressure (with rising pressure) | 2.6 Note: Max | |
| Operating Pressure | 2 - 35 |
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:
- • 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.