Radiator Surge Tank Replacement (HP2)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Radiator Surge Tank (HP2)

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedures Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) . Remove air cleaner assembly. Refer to Air Cleaner Assembly Replacement . Remove the radiator surge tank inlet hose/pipe. Refer to Radiator Surge Tank Inlet Hose/Pipe Replacement (Non-HP2) , Radiator Surge Tank Inlet Hose/Pipe Replacement (HP2) . Remove the radiator surge tank outlet hose. Refer to Generator Control Module Coolant Inlet Hose Replacement . Reposition the radiator inlet hose to get access to the radiator surge tank bolts. Unclip the overflow hoses from the fan shroud.
1	Radiator Surge Tank Bolt (Qty: 2) CAUTION: Refer to Fastener Caution . Tighten 10 N.m (89 lb in)
2	Radiator Surge Tank

Callout

Component Name

Preliminary Procedures

Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) .
Remove air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
Remove the radiator surge tank inlet hose/pipe. Refer to Radiator Surge Tank Inlet Hose/Pipe Replacement (Non-HP2) , Radiator Surge Tank Inlet Hose/Pipe Replacement (HP2) .
Remove the radiator surge tank outlet hose. Refer to Generator Control Module Coolant Inlet Hose Replacement .
Reposition the radiator inlet hose to get access to the radiator surge tank bolts.
Unclip the overflow hoses from the fan shroud.

Radiator Surge Tank Bolt (Qty: 2)

CAUTION:

Refer to Fastener Caution .

Tighten
10 N.m (89 lb in)

Radiator Surge Tank