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GMC
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1992
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Forward Control 7.4 N
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Repair and Diagnosis
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Transmission
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Manual Trans
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Servicing - M/T
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Lubrication
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Service Intervals
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Notes
Service Intervals: Notes
NOTE:
There are 2 light duty truck emission control classifications: Light Duty (up to 8600 lbs. Gross Vehicle Weight) and Heavy Duty (vehicles more than 8600 lbs. GVW).