2011 chevy impala thermostat diagram
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Filed Under (Chevrolet) by admin on 18-01-2011
Tests/Procedures: Potential Causes: Tech Tips: Diagnostic Codes: 1. Replace the thermostat and test drive to see if the code returns. Thermostat This code indicates the engine has not reached a set temperature based on engine run time. P0128 Reported Fix Details 2003 Chevrolet Trailblazer, 4.2L * Replaced Engine Thermostat – We replaced thermostat (with housing) and refilled system with fresh coolant. Cleared code and test drove. now vehicle comes up to operating temp as it should. 2003 Chevrolet Trailblazer, 4.2L * Thermostat – Replaced the t-stat and alol is fine. Did notice that ect at cruise warm is around 210F . Seems high , will watch on other vehicles. 2005 Chevrolet Trailblazer, LS 4.2L * Replaced Engine Thermostat – replaced thermostat NOTE: it is on the side of the engine at the lower radiator hose 2005 Buick Rainier, 4.2L, Vin S, Eng Cfg L6, USA/Canada * Thermostat – DTC P0128, Engine not reaching operating temperature, Replaced thermostat, retest OK Confirmed Fix Engine Thermostat Engine Thermostat Engine Thermostat Engine Thermostat
Filed Under (Chevrolet) by admin on 10-06-2010
Tests/Procedures: 1. Replace the thermostat and test drive to see if the code returns. Potential Causes: Thermostat Tech Tips: This code indicates the engine has not reached a set temperature based on engine run time. Diagnostic Codes: P0128 43 – Engine Thermostat 3 – Engine Thermostat, Thermostat Housing 2 – Thermostat Housing 1 – Engine Coolant, Engine Thermostat 1 – Engine Coolant 1 – Engine Coolant Temperature (ECT) Sensor, Engine Thermostat
Filed Under (Pontiac) by admin on 10-09-2010
1. If equipped with an automatic transmission, remove the exhaust manifold. 2. Drain the cooling system. 3. Remove the thermostat housing to water pump feed pipe bolts. 4. Remove the thermostat housing to water pump feed pipe. 5. Remove the thermostat. 2004 Pontiac Sunfire L4-2.2L VIN F Installation Procedure 1. Install the thermostat. 2. Install the thermostat housing to water pump feed pipe. Notice: Refer to Fastener Notice in Service Precautions. 3. Install the thermostat housing to water pump feed pipe bolt. ^ Tighten the thermostat housing to water pump feed pipe bolt to 10 Nm (18 inch lbs.). 4. If equipped with an automatic transmission, install the exhaust manifold. 5. Fill the cooling system.
Filed Under (Mazda) by admin on 27-12-2010
NOTE: 1. Disconnect the negative battery cable. Remove ignition coil. Drain the engine coolant. Remove water inlet pipe (1). See Fig. 29 . On A/T models, disconnect oil cooler. On all models, remove thermostat housing (2). Remove thermostat (3). 2. To install, reverse removal procedure. Verify that the jiggle pin is aligned with the projection on the thermostat gasket as shown. See Fig. 30 . Install the thermostat into the thermostat case, aligning the projection on the gasket to the thermostat case as shown. See Fig. 31 . 3. Tighten thermostat housing bolts to specification. See TORQUE SPECIFICATIONS . Fill and bleed cooling system. See COOLING SYSTEM BLEEDING . Numbers in parenthesis refer to numbers in illustration.
Filed Under (Ford) by admin on 07-05-2011
Removal NOTE: Removal of the vertical EGR cooler is not required to service the thermostats. 1. Remove the upper cooling fan shroud. For additional information, refer to Cooling Fan Shroud — 6.4L Diesel, Upper in this section. 2. Remove the degas bottle. For additional information, refer to Degas Bottle — 6.4L Diesel in this section. 3. Using a mirror, find the end of the upper radiator hose spring clip. Remove the spring clip, disconnect the upper radiator hose from the thermostat housing and position the upper radiator hose aside. 4. Remove and discard the nut and the vertical EGR cooler lower clamp. 5. Remove the bolt and the vertical EGR cooler lower bracket. 6. NOTE: Vertical EGR cooler removed from art for clarity. Disconnect the wiring from the heater return tube. 7. Remove the 2 bolts and position out the LH heater return tube. • Remove and discard the O-ring seal. 8. NOTE: The 6.4L diesel engine uses 2 thermostats. Remove the 4 bolts, the collar and the thermostat housing. • Lift the bottom of the collar up and rotate toward the engine to remove. 9. NOTICE: If the thermostats are contaminated with engine oil, new thermostats must be installed. Reusing a thermostat that has been exposed to engine oil may result in engine overheating. Remove the thermostats and the gasket from the thermostat housing. • Discard the gasket. Installation 1. Install a new gasket and the thermostats into the thermostat housing. 2. Install the thermostat housing, the collar and the 4 bolts. • Tighten to 13 Nm (115 lb-in). 3. NOTE: Vertical EGR cooler removed from art for clarity. NOTE: Install a new O-ring seal. Install the LH heater return tube and the 2 bolts. • Tighten to 13 Nm (115 lb-in). 4. Connect the wiring to the heater return tube. 5. Position the lower vertical EGR cooler bracket and loosely install the bolt. 6. Install a new vertical EGR cooler lower clamp. Tighten the clamp nut in 3 stages. • Stage 1: Tighten the nut to 10 Nm (89 lb-in). • Stage 2: Loosen the nut 720 degrees (2 complete turns). • Stage 3: Tighten the nut to 8 Nm (71 lb-in). 7. Tighten the lower EGR cooler bracket bolt. • Tighten to 62 Nm (46 lb-ft). 8. Connect the upper radiator hose to the thermostat housing. Install the spring clip. • Verify the spring clip is correctly seated. 9. Install the degas bottle. For additional information, refer to Degas Bottle — 6.4L Diesel in this section. 10. Install the upper cooling fan shroud. For additional information, refer to Cooling Fan Shroud — 6.4L Diesel, Upper in this section.