Installation Procedure
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- If reusing the old coolant heater, apply thread sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the threads.
- Install the coolant heater to the engine block and tighten to 50 N.m (37 lb ft).
- Connect the coolant heater cord electrical connector.
- For vehicles with RPO LY6 (6.0L) perform the following steps otherwise proceed to step 9.
- Position the oil cooler hose adapter end.
- Install a NEW oil cooler hose adapter gasket.
- Install the oil cooler hose adapter bolts (2) and tighten to 12 N.m (106 lb in).
- Install the oil cooler hose bracket bolt (1) and tighten to 25 N.m (18 lb ft).
- If equipped, for 2500 series vehicles, position the oil pan skid plate and install the 2 front bolts and tighten the 2 rear bolts and tighten to 20 N.m (15 lb ft)
- If equipped, for 1500 series vehicles position and install the oil pan skid plate and bolts and tighten to 20 N.m (15 lb ft).
- Lower the vehicle.
- Fill the cooling system/engine block. Refer to Cooling System Draining and Filling (Static Fill) .
CAUTION:
Refer to Fastener Caution .