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 MANUALSCHEVROLET1987SUBURBAN R20, 5.7 K, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)HEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSA/C-HEATER SYSTEM - MANUALREMOVAL & INSTALLATIONACCUMULATORINSTALLATION
1987 Chevrolet Suburban R20, 5.7 K, Standard
Removal & Installation: Accumulator: Installation
1987 Chevrolet Suburban R20, 5.7 K, StandardSECTION Installation
- Measure an amount of clean refrigerant oil equal to that drained from accumulator and add an additional one oz. oil (2 oz. on S" series vehicles). Uncap new accumulator and add oil.
- To complete installation, reverse removal procedure, using new "O" rings lubricated with clean refrigerant oil. Leak test, evacuate and recharge system.
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.