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2011
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Sentra L4-2.0L (MR20DE)
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Repair and Diagnosis
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Service Precautions
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Precaution for Air Conditioning
Precaution for Air Conditioning
PRECAUTIONS
Precaution for Air Conditioning
Use an approved
refrigerant
recovery unit any time the air conditioning system must be discharged.
HFC-134A (R-134A) Service Procedure
for specific instructions.