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 MANUALSCHEVROLET1982CAVALIER L4-112 1.8LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSA/C - PUREGUARD 2 OPERATING ALERTOVERVIEW
1982 Chevrolet Cavalier L4-112 1.8L
A/C - PureGuard 2 Operating Alert: Overview
1982 Chevrolet Cavalier L4-112 1.8LSECTION Overview
File In Section: 1 - HVAC
Bulletin No.: 73-12-13
Date: November, 1997
INFORMATION
Subject:
PureGuard 2 Operating Alert
Models:
1998 and Prior Passenger Cars and Trucks with R134a A/C Systems
A number of PureGuard 2's have been returned from the field as the result of damage from flooding the unit with oil and liquid refrigerant. Improper service procedures and unique A/C service conditions can cause this. To ensure oil and liquid refrigerant never enter the PureGuard 2, a protective device, called J-41810-100A Active Flow Control (AFC), has been shipped to every General Motors dealership. The AFC MUST be installed to prevent damage to the PureGuard 2.
To assure maximum performance of your PureGuard 2 Refrigerant Identifier and ACR4 Recovery, Recycle and Recharging Station, below are performance tips that need to be followed. Place a copy of this bulletin with the ACR4 instruction manual in the side pocket of the ACR4.
Bulletin No.: 73-12-13
Date: November, 1997
INFORMATION
Subject:
PureGuard 2 Operating Alert
Models:
1998 and Prior Passenger Cars and Trucks with R134a A/C Systems
A number of PureGuard 2's have been returned from the field as the result of damage from flooding the unit with oil and liquid refrigerant. Improper service procedures and unique A/C service conditions can cause this. To ensure oil and liquid refrigerant never enter the PureGuard 2, a protective device, called J-41810-100A Active Flow Control (AFC), has been shipped to every General Motors dealership. The AFC MUST be installed to prevent damage to the PureGuard 2.
To assure maximum performance of your PureGuard 2 Refrigerant Identifier and ACR4 Recovery, Recycle and Recharging Station, below are performance tips that need to be followed. Place a copy of this bulletin with the ACR4 instruction manual in the side pocket of the ACR4.
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.