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June 1, 2003 Service bulletin

HVAC mode switch inoperative or stuck in vent mode, oil in HVAC control head and/or vacuum lines

Chevrolet technical service bulletin 030138009 for 2001-2003 Chevrolet Blazer, 2001-2003 Chevrolet S10 and 2001-2003 GMC Jimmy and others.

Bulletin number
030138009
Component
Equipment: appliance: air conditioner
Summary
Hvac mode switch inoperative or stuck in vent mode, oil in HVAC control head and/or vacuum lines. Tt

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