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 MANUALSCHEVROLET1995S10/T10 P/U 2WD L4-2.2L VIN 4REPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGSERVICE AND REPAIRPROPER FLUSHING PROCEDURESGENERAL INFORMATION
1995 Chevrolet S10/T10 P/U 2WD L4-2.2L VIN 4
General Information
1995 Chevrolet S10/T10 P/U 2WD L4-2.2L VIN 4SECTION General Information
This article has been updated with bulletin No. 01-01-38-006A.
CONTAMINATED R-134A A/C SYSTEMS - AIR CONDITIONING SYSTEM FLUSHING PROCEDURES AND GUIDELINES
A/C system flushing should NOT be routinely performed when a system failure is encountered. System flushing takes a considerable amount of time to perform and is NOT necessary on most system failures and should be performed only when any one of the following conditions is found.
- Desiccant bag failure
- Gross overcharge of PAG oil
- Refrigerant contamination
- Contaminated PAG oil
- Catastrophic compressor failure causing oil contamination
A/C system flushing will remove some of the metal particles during a flush, but flushing is not completely effective in removing all metallic debris. System flushing should not be considered if removal of metallic debris is the only objective. GM Service Operations continues to recommend the use of LIQUID LINE FILTERS and SUCTION SCREENS to control this type of system contamination and avoid repeat failures.
CONTAMINATED R-134A A/C SYSTEMS - AIR CONDITIONING SYSTEM FLUSHING PROCEDURES AND GUIDELINES
A/C system flushing should NOT be routinely performed when a system failure is encountered. System flushing takes a considerable amount of time to perform and is NOT necessary on most system failures and should be performed only when any one of the following conditions is found.
- Desiccant bag failure
- Gross overcharge of PAG oil
- Refrigerant contamination
- Contaminated PAG oil
- Catastrophic compressor failure causing oil contamination
A/C system flushing will remove some of the metal particles during a flush, but flushing is not completely effective in removing all metallic debris. System flushing should not be considered if removal of metallic debris is the only objective. GM Service Operations continues to recommend the use of LIQUID LINE FILTERS and SUCTION SCREENS to control this type of system contamination and avoid repeat failures.
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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.