Engine Coolant Air Bleed Pipe Replacement (LTG)

Fig 1: Engine Coolant Air Bleed Pipe (LTG)

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedures Drain the cooling system. Refer to Cooling System Draining and Filling (GE 47716) and Cooling System Draining and Filling (Static) . Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement (LTG) . Remove the positive crankcase ventilation hose/pipe/tube. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement (LTG/Non Tamper Proof) and Positive Crankcase Ventilation Hose/Pipe/Tube Replacement (LTG/ Valve with Pipe Tamper Proof) . Disconnect the electrical wiring harness connector from the ignition coil. NOTE: Replace hose clamps if necessary. Special Tools BO-38185 Hose Clamp PliersFor equivalent regional tools, refer to Special Tools .
1	Surge Tank Vent Hose Clamp
2	Engine Coolant Air Bleed Hose Clamp
3	Engine Coolant Air Bleed Pipe Fastener CAUTION: Refer to Fastener Caution . Tighten: 10 N.m (89 lb in)
4	Engine Coolant Air Bleed Pipe
5	Seal NOTE: Install NEW seal