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 MANUALSJEEP1985CHEROKEE 4WD L4-150 2.5L VIN U 1-BBLREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCOMPRESSOR HVACSERVICE AND REPAIRISOLATING COMPRESSOR
1985 Jeep Cherokee 4WD L4-150 2.5L VIN U 1-bbl
Isolating Compressor
1985 Jeep Cherokee 4WD L4-150 2.5L VIN U 1-bblSECTION Isolating Compressor
ISOLATING COMPRESSOR
1. Connect suitable gauge manifold to system and remove protective caps from manual valve stems.
2. Slightly open both service valves toward mid-position, then start engine and operate air conditioning.
3. Slowly rotate suction (low) side service valve clockwise toward front-seated position.
4. When suction (low) side gauge reads zero, stop engine, then rotate both low and high side valves to the fully clockwise (front-seated) position.
5. Relieve internal compressor pressure on Sankyo 5 cylinder and York 2 cylinder compressors, by slightly loosening the oil sump filler plug. A suitable face shield should be worn when relieving compressor pressure.
1. Connect suitable gauge manifold to system and remove protective caps from manual valve stems.
2. Slightly open both service valves toward mid-position, then start engine and operate air conditioning.
3. Slowly rotate suction (low) side service valve clockwise toward front-seated position.
4. When suction (low) side gauge reads zero, stop engine, then rotate both low and high side valves to the fully clockwise (front-seated) position.
5. Relieve internal compressor pressure on Sankyo 5 cylinder and York 2 cylinder compressors, by slightly loosening the oil sump filler plug. A suitable face shield should be worn when relieving compressor pressure.
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.