Operation CHARM
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GMC Truck
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1988
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Safari Van M L4-151 2.5L
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Repair and Diagnosis
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Diagrams
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Vacuum and Vapor Hose Diagrams
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Cruise Control
Cruise Control
Fig. 41 Vacuum hose routing. Models w/accumulator & check valve (models less accumulator and/or check valve similar):
Fig. 42 Vacuum hose routing. Astro Van & Safari w/4-151 engine:
