Titans Of Direct Response Dvd CourseC4 Corvette Cooling System Diagram
Tue, 02 Jul 2024 23:57:51 +0000Place radiator on lower support. All internal passages can be inspected using a flashlight. Headgaskets can leak into the combustion into coolant passages and never show up in oil since it is bleeding compression. The lower white over flow tank under the hood near the pass side head light (#638 below) is not directly involved in cooling, its simply the overflow puke tank that the radiator will siphon coolant from as the radiator cools and the coolant contracts while it sits. Splice the dark blue wire from the new fan switch harness to the secondary relay with the dark blue wire. Since all C4 Corvettes are not the same, these Corvette parts include the appropriate model year within their description to make it easier for you to select the proper parts for your vehicle. If you prefer, you can connect both of the blue and green wires together. The PCM sends a ground signal to the fan relay when it sees the desired temperature from a sensor to run the fan has been met. 1990+ Corvettes have two radiator cooling fans. There are various cooling fan control switches available to turn the cooling fans on earlier than the factory ECM or PCM controlled settings. Remove fan to gain access to lower cooler line. Cooling off that c4 corvette. Be careful and remove the lower hose slowly so the coolant can be directed in the drain pan.
- C4 corvette cooling system diagram for a 2010 audi q5 3 2
- C4 corvette cooling system diagram parts
- C4 corvette cooling system diagram 6 0 lq9 engine
- C4 corvette cooling system diagram answers
C4 Corvette Cooling System Diagram For A 2010 Audi Q5 3 2
Slime or sediment in radiator tubes. Keep in mind that the standard C4 corvette uses a REVERSE rotation water pump, and its not a true high volume design, aluminum water pumps will reduce weight on the front of the car, so think about that when selecting a water pump. C4 corvette cooling system diagram answers. Defective or the wrong water pump. Keep in mind theres DOZENS OF DIFFERENT CHEVY TEMP SENSORS, for OIL AND COOLANT AND AIR, SO BE SURE YOU SELECT THE ONE DESIGNED TO MATCH YOUR GAUGE AND APPLICATION. Primary cooling fan is an the driver side.All of the aftermarket cooling fan switches have harnesses provided to connect the new style connector. So although the LT1 intake still gets plenty hot, it does not vary with respect to coolant temperature nearly as much as a traditional intake manifold does. Simply refill the system through the surge tank using the filling funnel until the funnel is approximately 1/3 full.
Fill the radiator to the base of the radiator fill neck and add sufficient coolant to the recovery tank to raise the level to the "FULL" mark. Crud blocking the airflow thru radiator. PCM grounds the Dark Green wire for low speed. Feel the front area of the radiator for cold spots which indicate blockage. What you see on the dash is not always what the ECM is seeing. The key to C4 electrical is the checking for good solid low ohm resistance GROUNDS. If this were the case then your fans would never be commanded on even though their circuits were intact. User discretion is advised. Remove A/C compressor. There are 2 temp sensors. Wide temperature range from - 58 to 1832 °F (-50 to 1000°C). AUTOWIZ posted this bit of info, youll need. Air in the cooling system. " Radiators, Fans, Shrouds, and Cooling. Start the engine and allow it to run, with the radiator cap removed, until the upper radiator hoses become hot.C4 Corvette Cooling System Diagram Parts
This code will not will not affect engine performance in any way. Adding anti-freeze to prevent the coolant from boiling too soon is permissible but too much will affect the freezing point. Couldn't figure out any other way to give you a proper overview. 1985-1989 AUXILIARY FAN WIRING INSTRUCTIONS. The roughest internal passages are probably the ones that are blocked. How warm would it have to be for that to show up? Pure anti-freeze will freeze at -8 degrees Celsius (-20 degrees Fahrenheit. All parts are designed to be compatible with the original fourth generation Corvette wiring and parts, allowing you to complete a restoration or replacement project without incident. Some cars have as many as 4 or 5 temp sensors. Cut the dark green /white wire at the inner fender well. C4 corvette cooling system diagram 6 0 lq9 engine. Use a 50/50 mixture of high-quality ethylene glycol anti-freeze and water when adding coolant. The PCM will command high speed fans "ON, " when any of the following conditions exist at idle. When the cooling system becomes contaminated, the cooling system should be flushed thoroughly to remove the contaminants before the engine is seriously damaged from not cooling correctly. RE: Air in the cooling system.
I agree there should be no extra coolant hose with a bolt in it! If one so desires the computer can be reprogrammed to turn the cooling fans on at a much lower temperature, it is possible to maintain a temperature of below 200 degrees with the stock thermostat in place. Certain Diagnostic Trouble Codes (DTCs) set. Install the air cleaner and connect negative battery cable. Thanks, Mark, and let me know how this works out for you. C4 corvette cooling system diagram for a 2010 audi q5 3 2. Another method you can use is to carefully pry/remove. With the water pump and heads removed, ALL coolant passages CAN be inspected by using a pen flashlight. Add sufficient ethylene glycol coolant. Replace a blocked or suspect head and inspect the replacement head in the same manner before installing it. GENERIC VERSION(above).
Considering the car is 15 years old, if those parts are original, I'd carefully inspect them for damage. Remove the air management valve adapter. You cannot add new polls. It's best to raise the vehicle and make sure that it is level for getting the coolant out. Determine which side of the engine is involved and whether it is more at the front or the rear of the engine. When minimum cooling is required, the PCM energizes cooling fan relay #1 and both fans operate at low speed, since the fans are connected in series through cooling fan relay #3, and cooling fan relay #2 is open. If the cooling system requires frequent addition of coolant in order to maintain the proper level, check all units and connections in the cooling system for evidence of leakage. As mentioned you could use a fuse power tap,, but.. Ive generally just found a source for a switched power with a multi meter, or tapped off the battery terminal and added a manual pends on what I was trying to accomplish, Ive generally run 10 ga wire to a relay is any significant amp loads were anticipated, and soldered in a relay and fuse as required. The PCM will turn the fans "OFF" when the temperature drops about 3°C (5°F).
C4 Corvette Cooling System Diagram 6 0 Lq9 Engine
Disconnect the fuel inlet and return lines. The engine was trashed and everything was burnt up. Use the supplied harness to connect the new style connector to the fan switch. This sensor mounts in the water pump on the front face of the engine.To remove the knock sensors you will need a 7/8-inch socket. This option consisted of an extra cooling fan in front of the a/c condenser, heavy duty radiator and oil cooler. Check coolant for proper level and freeze protection. Confirm continuity with the end of the dark blue wire and the socket for pin 86 for relay 2 AND relay 3.
But, again, the best way to troubleshoot the cooling fans on a 90-96 is using the diagnostic table in the Service Manual. Question: Hello to everyone at Vette magazine, I recently bought my father's Corvette and it seems to be running a little hot. I just can't seem to get all the air out. Maintain cooling system freeze protection at -37 degrees Celsius (-34 degrees Fahrenheit) to ensure protection against corrosion and loss of coolant from boiling even when freezing temperatures are not expected. Your engine may not be overheating at all.
C4 Corvette Cooling System Diagram Answers
I'd be looking for cooling system problems other than just the fans such as restricted air flow through the cooling stack. Monitor the coolant temperature during this time and make sure not to overheat the vehicle. OIL PAN & OIL COOLER. Keep in mind a great deal of the heat in a radiator is generated by the transmission fluid cooling, requirement on auto trans cars so adding a large AUXILIARY trans cooler helps a great deal, if you add an engine OIL COOLER that further reduces the heat load on the radiator. On my '87 L98 coupe I have air in the cooling system. Ground the Dark Green wire and the Dark Blue. Or rather a sensor and a sender. For this reason, we recommend using a minimum 180 degree thermostat and turning on the cooling fans at the 200-205 degree range. These sensors are located in the center on both sides of the engine block just above the oil pan. The stock thermostat in an LT1 is 180 degrees, the only reason the car runs so hot is that the computer controlled fans allow it to do so.Remove lower radiator and heater hose at water pump. After approximately 10 minutes and the coolant in the filling funnel is hot shut the engine off, remove the filling funnel and install the radiator cap. The Radiator hoses may collapse and/or expand. As always read carefully, and measure accurately, remembering you must be leaving room for the hot oil or trans fluid hose and connections. A loose belt that slips may prevent the water pump from circulating coolant fast enough. Heres a bit of info I found posted elseware. " WOW DS - NO vac schematic in Gen Info, OR ENTIRE Section 6 FSM for L98. '86- '89 as stated above. Low alternator voltage.
Wire for high speed.