Chevrolet Silverado / GMC Sierra. Manual — part 1644
Fig. 119: View Of EGR Cooler Pipe Nut
Courtesy of GENERAL MOTORS CORP.
5. Install the upper EGR cooler pipe nut (1).
Tighten: Tighten the bolt to 9 N.m (80 lb in).
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 120: View Of EGR Cooler Pipe Clamp
Courtesy of GENERAL MOTORS CORP.
6. Install the EGR cooler pipe hose to the EGR cooler tube and reposition the EGR cooler
pipe clamp (1).
7. Fill the cooling system. Refer to Cooling System Draining and Filling (Vac-N-Fill) or
Cooling System Draining and Filling (Static Fill).
EXHAUST GAS RECIRCULATION COOLING PIPE REPLACEMENT - UPPER (LMM)
Tools Required
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
J 38185 Hose Clamp Pliers
Removal Procedure
Fig. 121: View Of EGR Cooler Pipe Clamp
Courtesy of GENERAL MOTORS CORP.
CAUTION: To avoid being burned, do not remove the radiator cap or
surge tank cap while the engine is hot. The cooling
system will release scalding fluid and steam under
pressure if radiator cap or surge tank cap is removed
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
1. Drain the cooling system. Refer to Cooling System Draining and Filling (Vac-N-Fill) or
Cooling System Draining and Filling (Static Fill).
2. Reposition the EGR cooler pipe clamp (1) and remove the EGR cooler pipe hose from the
EGR cooler tube.
Fig. 122: View Of EGR Cooler Pipe Nut
Courtesy of GENERAL MOTORS CORP.
3. Remove the upper EGR cooler pipe nut (1).
while the engine and radiator are still hot.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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