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 MANUALSVOLVO1992740 L4-2320CC 2.3L DOHC B234F (CAN)REPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSHEATING AND AIR CONDITIONINGSYSTEM SPECIFICATIONS
1992 Volvo 740 L4-2320cc 2.3L DOHC B234F (Can)
System Specifications
1992 Volvo 740 L4-2320cc 2.3L DOHC B234F (Can)SECTION System Specifications
Climate Unit And Pipe Connections, Torques Are In Nm ( ft lb)
1. Coupling, low-pressure line to compressor - 40 (29.5)
2. Coupling, high-pressure line to compressor - 25 (18.5)
3. Connection pipe, pressure line - 18 (13.3)
4. Connection pipe, condenser - 25 (18.5)
5. Liquid line, condenser - 20 (16.2)
6. Air receiver, suction line - 45 (33.2)
7. Pressostat - 3.5 (2.6) (finger-tight)
8. Coupling, air receiver - 45 (33.2)
9. Coupling, evaporator (940)) - 30 (22)
10. Coupling, liquid line (940) - 12 (8.9)
11. Coupling, evaporator (960) - 30 (22)
12. Coupling, liquid line (960) - 12 (8.9)
13. Coupling, condenser connection pipe - 15 (11.1)
14. Coupling, condenser liquid line - 10 (7.4)
15. Pressostat, condenser - 3.5 (2.6) finger-tight)
16. Condenser connection. New type of seal - 20 (16.2)
17. Compressor connection. New type of seal - 20 (16.2)
18. Union. Expansion tube (orifice) location - 12 (8.9)
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.