Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Install a NEW O-ring seal to the thermostat.
Install the thermostat.

Fig 1: Install Thermostat
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Install the water outlet.

Fig 2: Install Water Outlet
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NOTE: Refer to FASTENER NOTICE .
Install the water outlet studs.
Tighten

Tighten the studs to 25 N.m (18 lb ft).

Fig 3: Install Water Outlet Studs
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Install the inlet hose to the water outlet.
Position the inlet hose clamp at the water outlet.

Fig 4: Install Inlet Hose
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Align the hinge clip with the lip on the throttle body.
In order to install the air cleaner outlet duct, pivot the air cleaner outlet duct downward until the mounting stud is through the hole.

Fig 5: Installing Air Cleaner Outlet Duct
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Install the air cleaner adapter nut.

Fig 6: Install Air Cleaner Adapter Nut
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Install the PCV hose.

Fig 7: Install PCV Hose
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Tighten the air cleaner outlet duct clamp at the MAF/IAT sensor.
Fill the cooling system. Refer to Draining and Filling Cooling System .
Inspect the cooling system for leaks.

Fig 8: Tighten Air Cleaner Outlet Duct Clamp
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