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15. Install the water pump to water pump housing bolts. Tighten: Tighten the water pump to water pump housing bolts to 21 N.m (15 lb ft). 16. Install a new O-ring to the water pump. EXHAUST GAS RECIRCULATION COOLER CLEANING AND INSPECTION Fig. 72: EGR Cooling Hoses 1. Remove the exhaust gas recirculation (EGR) cooling hoses. 2. Clean and inspect the EGR gasket surfaces. 3. Clean and inspect the EGR and cooler. 4. Replace the EGR or cooler if damaged. THREAD REPAIR General purpose thread repair kits are available commercially. NOTE: Refer to Fastener Notice .
2008 Chevrolet Silverado 1500 2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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