gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Air Cleaner Housing > < Minimum Air Rate - Fuel Injection Only|Page 1393
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Idle Speed: Tools and Equipment

Installing J-33047

RECOMMENDED TOOLS FOR ADJUSTING MINIMUM AIR RATE

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J-33047, used for blocking air flow through the Idle Air Control valve.

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Number 20 Torx Bit (R), used for adjusting Throttle Stop Screw.

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Tachometer.

Air Cleaner Housing > < Minimum Air Rate - Fuel Injection Only|Page 1393