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 MANUALSSAAB19879000 L4-1985CC 2.0L DOHCREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSCOMPRESSOR HVAC
1987 Saab 9000 L4-1985cc 2.0L DOHC
Compressor HVAC
1987 Saab 9000 L4-1985cc 2.0L DOHCSECTION Compressor HVAC
Sanden SD 510:
Number of cylinders 5
Cylinder volume 161cc (9.8 cu in)
Clutch Electromagnetic
Engine speed range 500 - 6000 rpm
Weight with clutch 7.7 kg 16.8 (lb)
Sanden SD 709:
Number of cylinders 7
Cylinder volume 154.9 cc (9.45 cu in)
Clutch Electromagnetic
Engine speed range 500 - 6000 rpm
Weight with clutch 6.95 kg 15.15 (lb)
Seiko Seiki SS121 DN1:
Cylinder volume 121cc (7.38 cu in)
Clutch Electromagnetic
Engine speed range 500 - 6000 rpm
Weight with clutch 6.8 kg 14.8 (lb)
Tightening Torques Sanden Compressor
Center nut, clutch 38 ± 4 Nm (28.0 ± 3.0 ft lb)
Cylinder block bolts 32 ± 2 Nm (23.5 ± 1.5 ft lb)
Oil filler plug 1O ± 2 Nm (7.4 ± 1.4 ft lb)
Service valves 14.5 ± 2.5 Nm (1O.6 ± 1.8 ft lb)
Connection - suction 37.5 ± 2.5 Nm (28 ± 2 ft lb)
Connection - pressure 32.5 ± 2.5 Nm (24 ± 2 ft lb)
Safety valve 17 ± 3 Nm (12.6 ± 2.2 ft lb)
Number of cylinders 5
Cylinder volume 161cc (9.8 cu in)
Clutch Electromagnetic
Engine speed range 500 - 6000 rpm
Weight with clutch 7.7 kg 16.8 (lb)
Sanden SD 709:
Number of cylinders 7
Cylinder volume 154.9 cc (9.45 cu in)
Clutch Electromagnetic
Engine speed range 500 - 6000 rpm
Weight with clutch 6.95 kg 15.15 (lb)
Seiko Seiki SS121 DN1:
Cylinder volume 121cc (7.38 cu in)
Clutch Electromagnetic
Engine speed range 500 - 6000 rpm
Weight with clutch 6.8 kg 14.8 (lb)
Tightening Torques Sanden Compressor
Center nut, clutch 38 ± 4 Nm (28.0 ± 3.0 ft lb)
Cylinder block bolts 32 ± 2 Nm (23.5 ± 1.5 ft lb)
Oil filler plug 1O ± 2 Nm (7.4 ± 1.4 ft lb)
Service valves 14.5 ± 2.5 Nm (1O.6 ± 1.8 ft lb)
Connection - suction 37.5 ± 2.5 Nm (28 ± 2 ft lb)
Connection - pressure 32.5 ± 2.5 Nm (24 ± 2 ft lb)
Safety valve 17 ± 3 Nm (12.6 ± 2.2 ft lb)
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:
- • 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.