Replace Thermostat 2000 Infiniti Q45
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Filed Under (Infiniti) by admin on 15-05-2010
Diagrams: Other diagrams referred to by name within these diagrams can be found at Diagrams By Diagram Name. See: Diagrams By Diagram Name Diagnostic Strategies 1. Check the symptom and customer’s requests. 2. Understand the outline of system.
3. Perform the preliminary check. Refer to BL-70, “Preliminary Check”. See: Initial Inspection (Preliminary Check)\Preliminary Check
4. Perform the communication inspection. If CONSULT-II is used, refer to BL-73, “IVMS COMMUNICATION INSPECTION”. See: Description of On-Board Diagnostics\With Manufacturer’s Scan Tool (Infiniti CONSULT-II)\IVMS Communication Inspection If
CONSULT-II is not used, refer to BL-77, “COMMUNICATION DIAGNOSIS”. See: Displaying & Reading Trouble Codes\Without Scan Tool\Communication Diagnosis Procedure Is the communication diagnosis result OK? OK: GO TO step 7. NG: GO TO step 5.
5. Repair or replace depending on the diagnosis result.
Filed Under (BMW) by admin on 10-09-2010
Remove fan clutch with fan impeller and fan cowl, refer to Fan Clutch, Service and Repair. Drain and dispose of coolant. See: Coolant/Service and Repair Note: The water drain plug is located on the exhaust side on cylinder 2 in the engine block. Installation: Replace sealing ring of water drain plug. Tightening torque, refer to Specifications, Mechanical. Vent cooling system and check for leaks, refer to Cooling System, Service and Repair. See: Coolant/Service and Repair Pull locks and disconnect water hoses. Installation: Refer to general instructions for work on cooling system, refer to Cooling System, Service and Repair. Loosen nut (1). Release screws on thermostat housing, remove thermostat housing. Installation: Keep sealing faces clean and free of oil. 2000 BMW 323i (E46) L6-2494cc 2.5L DOHC (M52 TU) Note: Coolant thermostat is integrated in coolant thermostat housing and can only be replaced as a single unit. Installation: Replace gasket (1).
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 (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.