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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSSUBARU1990XT-6 4WD L6-2.7L SOHCREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSHEATING AND AIR CONDITIONINGSYSTEM SPECIFICATIONS
1990 Subaru XT-6 4WD L6-2.7L SOHC
System Specifications
1990 Subaru XT-6 4WD L6-2.7L SOHCSECTION System Specifications
COMPRESSOR CLUTCH
Hub To Pulley Clearance 0.020 - 0.031 in (0.5 - 0.8 mm)
PULSER PICK-UP ASSEMBLY
Air Gap At Clutch 0.08 - 0.16 in (2 - 4 mm)
COMPRESSOR V-BELT
Deflection (New Belt) 0.217 - 0.256 in (5.5 - 6.5 mm) @ 22 lb (10 kg)
Deflection (Used Belt) 0.256 - 0.295 in (6.5 - 7.5 mm) @ 22 lb (10 kg)
TORQUE VALUES
Compressor Hub Nut 14 - 15 ftlb (19 - 21 Nm)
Compressor Mounting Bolts 25 - 33 ftlb (34 - 44 Nm)
Receiver/Drier Pipes 7 - 14 ftlb (10 - 20 Nm)
Receiver/Drier Mount Bolts 3.6 - 7.2 ftlb (5 - 10 Nm)
Fitting-To-Compressor Bolts 11 - 18 ftlb (15 - 25 Nm)
Condenser Mount Bolts 11 - 18 ftlb (15 - 25 Nm)
Pressure Switch 11 - 13 ftlb (15 - 18 Nm)
Condenser Line Fittings
High Pressure Side 11 - 18 ftlb (15 - 25 Nm)
Receiver Side Pipe 7 - 14 ftlb (10 - 20 Nm)
Evaporator
Low Pressure Pipe 14 - 22 ftlb (20 - 29 Nm)
Receiver Side Pipe 7 - 14 ftlb (10 - 20 Nm)
Expansion Valve
Mounting Nut 1.8 - 3.3 ftlb (2.5 - 4.4 Nm)
Discharge Pipe Union Nut 7 - 14 ftlb (10 - 20 Nm)
Nut On Discharge Side 7 - 14 ftlb (10 - 20 Nm)
Nut On Suction Side 14 - 22 ftlb (20 - 29 Nm)
Hub To Pulley Clearance 0.020 - 0.031 in (0.5 - 0.8 mm)
PULSER PICK-UP ASSEMBLY
Air Gap At Clutch 0.08 - 0.16 in (2 - 4 mm)
COMPRESSOR V-BELT
Deflection (New Belt) 0.217 - 0.256 in (5.5 - 6.5 mm) @ 22 lb (10 kg)
Deflection (Used Belt) 0.256 - 0.295 in (6.5 - 7.5 mm) @ 22 lb (10 kg)
TORQUE VALUES
Compressor Hub Nut 14 - 15 ftlb (19 - 21 Nm)
Compressor Mounting Bolts 25 - 33 ftlb (34 - 44 Nm)
Receiver/Drier Pipes 7 - 14 ftlb (10 - 20 Nm)
Receiver/Drier Mount Bolts 3.6 - 7.2 ftlb (5 - 10 Nm)
Fitting-To-Compressor Bolts 11 - 18 ftlb (15 - 25 Nm)
Condenser Mount Bolts 11 - 18 ftlb (15 - 25 Nm)
Pressure Switch 11 - 13 ftlb (15 - 18 Nm)
Condenser Line Fittings
High Pressure Side 11 - 18 ftlb (15 - 25 Nm)
Receiver Side Pipe 7 - 14 ftlb (10 - 20 Nm)
Evaporator
Low Pressure Pipe 14 - 22 ftlb (20 - 29 Nm)
Receiver Side Pipe 7 - 14 ftlb (10 - 20 Nm)
Expansion Valve
Mounting Nut 1.8 - 3.3 ftlb (2.5 - 4.4 Nm)
Discharge Pipe Union Nut 7 - 14 ftlb (10 - 20 Nm)
Nut On Discharge Side 7 - 14 ftlb (10 - 20 Nm)
Nut On Suction Side 14 - 22 ftlb (20 - 29 Nm)
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.