B4000 2WD V6-4.0L SOHC (2003)
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replacement of the evaporator core orifice
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replacement of the A/C compressor pressure relief valve
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replacement of a refrigerant line
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repair of an O-ring leak
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repair of a charge port leak
6. Replacement of components that do not require discharge of refrigerant and resulting oil loss, such as the A/C cycling switch and the A/C pressure
cut-off switch, do not require additional oil.