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Expert Answers about Chevrolet Engine Oil Coolers


  • How To Check Engine Oil Temperature 2007 Chevy Tahoe
  • A faulty circuit breaker/fuse should not cause a gauge display to have an improper reading. It could however be the sensor or wiring that is bad causing a false reading. For example, the coolant temperature sensor usually located on the water neck can give a false high reading if the sensor has gone out. The only solution for this would be to replace the sensor. However, the likelihood that the sensor has failed in comparison to the oil indeed being hot is low. You can check if the oil...
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  • Derale Atomic-Cool Remote Engine Oil Cooler # D15450 Thermostat not Turning Fan On
  • I contacted Derale and they confirmed the thermostat on the Atomic-Cool Remote Engine Oil Cooler Kit # D15450 needs to be reading 180°F for the fan to turn on. They suggested to make sure you have everything installed correctly. This includes checking that you have the thermostat fitting installed on the inlet side of the oil cooler. Next, check the wiring for the thermostat switch. On the thermostat switch, one terminal should be wired to the positive wire coming from the electric fan...
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  • Troubleshooting Overheating While Towing Boat with 2015 Grand Cherokee V6
  • Your 2015 Jeep Grand Cherokee V6, the towing capacity is greater than that, however you still need to use caution. Your owners manual suggests not using ACC at all during towing. It also states that you should follow the gauges which may be more sensitive to heat when towing to remain safe. It could be that your thermostat is misreading, but it is very likely you need to add a cooling system which is normally included with a towing package. Adding coolers will only help your vehicle...
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  • Troubleshooting Engine Oil Leak on 2001 Dodge 5.9 Magnum At Oil Filter Sandwich Adapter
  • It sounds like you either have a bad o-ring, the incorrect fittings, or the threads have been stripped. You don't need the entire kit like # D15502 for that fix. I recommend the Derale Thermostatic Sandwich Adapter Kit - Multiple Engine Filter Threads # D15782 as a replacement. This will use barb style fittings and hose clamps at the hoses and when installed correctly should not have any leak.
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  • Troubleshooting Radiator Leak in my 2001 Ford Explorer Sport 4.0
  • It's tough to pinpoint an exact leak in your radiator, but it could be the fluid return line. If anything, it may be leaking in the radiator. The factory cooler is inside the radiator. Transmission coolers such as # D13503 will not be inside a radiator. They attach in-line with the transmission fluid return line. The usual spot a supplemental transmission cooler is mounted to is in front of the AC condenser or at least in between the air conditioning condenser and the radiator itself....
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  • Troubleshooting High Transmission Temperatures after Transmission Cooler Installation
  • I would try reversing the direction of the fan on the Derale Transmission Cooler # D15960 that you have installed on your 1994 GMC Truck to see if that will yield you cooler oil temperatures. Generally speaking coolers loose from 25 to 40 percent of their cooling efficiency when the fan pushes air through the cooler as opposed to being pulled through it. Also, depending on the location of the cooler in relation to underside of your vehicle the fan might be fighting the natural airflow...
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  • Oil Drip from Unidentified Small Cooler Attached to Transmission on a 2006 Chrysler 300
  • It sounds like it could be a transmission cooler. What you can do is when the vehicle is cold, start it up and place it in drive for about 10 seconds or so. Then return it to park and turn off the motor. Feel the hoses and if one is noticeably cooler than the other then it is a transmission cooler. Coolers are normally found inside of the radiator. It is possible that someone has installed a supplemental one on the vehicle if there were other owners before you. If it looks like # D13260...
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  • Is Water in Engine Oil of 2004 Ford F-150 FX4 a Sign of Engine Damage
  • The engine in your 2004 Ford F-150 FX4 is equipped with multiple frost plugs in the block. Virtually all engines have this feature. The frost plugs will appear as a small round recess in the block, sort of like the underside of a bottle cap. These are intended to expand outward when the coolant in the block freezes. They are intended to take the force of the expanding ice rather than it inflicting damage to the engine. Since you have found water in your engine oil it seems that the frost...
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  • Troubleshooting Transmission Fluid And Engine Coolant Mixing On 2003 Cadillac CTS
  • Sorry to hear about the problems with your brother's 2003 Cadillac. The first thing you will want to do is have the transmission taken care of. I am not aware of a separate cooler for the transmission located under the intake manifold. Typically what is used is a line that runs from the transmission to the radiator. The radiator holds engine coolant and the transmission fluid line is run inside the radiator as well. The radiator cools both the engine coolant and the transmission fluid...
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  • Is Derale Transmission Pan Cooler Leak Tested
  • I spoke with my contact at Rerale and he said that the manufacturer does indeed leak test in a water tank 100 percent of the the Derale Transmission Pan Coolers, part # D14208, before they leave the factory.
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  • Generator Wont Start and Fuel Overflowed Out of the Carburetor
  • I would first begin by checking the oil on the Etrailer 2,000-Watt Portable RV Inverter Generator 333-0001. You will want to see if any fuel made its way into the oil and that it is at the correct level as if the oil is to low or high it may not allow the engine to start. To check the oil level remove the dipstick and clean off the oil. Don't rethread the dipstick, just place until it makes contact with the threads and check the level. If the oil checks out next you will want to check...
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  • Engine Runs Hot After Derale D13504 Transmission Cooler Installed
  • What is currently running hot? Your transmission or the engine coolant temperature? The # D13504 is designed to cool the transmission, and wouldn't have anything to do with the vehicle's engine running hot, only the transmission. Changing the thermostat, the water pump and the radiator wouldn't have much effect on the transmission temperature. If it's the transmission running hot, is the factory transmission cooler (or the circuit through the radiator) still connected? Is the Derale cooler...
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  • Will the Edge Insight Display Transmission Fluid Temperate on a 2003 Mercury Marauder.
  • The transmission temperature on your 2003 Mercury Marauder should run through the computer and be accessible through the OBD-II port using the Edge Insight, # EP84030. The parameters that you could potentially monitor include: Battery Voltage Intake Air Temperature (IAT) Engine Oil Pressure (EOP) Engine Coolant Temperature (ECT) Engine Oil Temperature (EOT) Transmission Fluid Temperature (TFT) Miles Per Hour (MPH) Miles Per Gallon (MPG) Revolutions Per Minute (RPM) 1/4-mile and 0 - 60 times
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  • What Makes Coolant Mix with Transmission Fluid in a Factory Transmission Cooler
  • The chambers inside the radiator can end up leaking which is a problem for many Nissan owners for certain models and year ranges. It could be from metal fatigue, corrosion, or outside damage sustained in a front end impact. You should know that this occurrence is rare and the vast majority of factory coolers that are inside of the radiator never have problems.
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  • Will Aftermarket Derale Transmission Cooler Bypass OEM Cooler on a 1998 Dodge Dakota
  • A supplemental transmission cooler like the Derale # D13614 is designed to work in addition to the OEM cooler on your 1998 Dodge Dakota. So no, it won't be rid of your current transmission cooler. The adapter kit # D13028 is exactly what you need to perform this installation. Just make sure that you have enough room in your engine compartment for this cooler (see attached photo).
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  • Transmission Cooler for 2000 Ford F-250 Towing Heavy 5th Wheel Trailer
  • Any fluid leaking from a vehicle is a warning. Often this indicates excessive temperatures in your transmission. If your transmission is stressed to the point of leaking fluid this means that somewhere either a seal, hose or other fitting is being pushed past its limit. My first suggestion is that you try to find that leakage point so you can check whether you have a bad seal or fitting that can be replaced. Driving your truck, let alone towing a trailer with it, with an inadequate trans...
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  • Troubleshooting Hard to Close Jaws on Reese 16K 5th Wheel Hitch
  • Thank you for the photo of your Reese 5th Wheel Trailer Hitch # RP30047. The regular maintenance of this 5th wheel hitch calls for using a lubricated skid plate or grease on the surface of the hitch and then also engine oil to lubricate pivot points of moving parts within the hitch prior to each use. You should also be checking the hardware for every 1,000 miles of use. If you haven't been keeping up with the maintenance then you'll want to try to work some oil in the moving parts and...
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  • Troubleshooting Tips For A Generator That Won't Start
  • If your 4,500-Watt Portable RV Generator # 333-0005 is not wanting to start you can try the following troubleshooting steps: 1. Fuel selector switch set to OFF (O) position. Set the fuel selector to either GAS or LPG. 2. The indicator light is OFF or flashing red. The indicator needs to solid red to start the engine, turn the fuel selector switch to the off position and then back to either GAS or LPG. 3. Low oil level. Fill the crankcase to the oil fill line and ensure the generator is...
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  • Derale Temperature Gauge Kit Pegged At 300 Degrees
  • More than likely the reason your Derale Temperature Gauge Kit for Transmission or Engine Oil # D13009 is stuck at 300 degrees is because you have a 12 volt or a ground wire ran to the sensor terminal causing it to ground out and hit 300 degrees. I have attached the instructions for you to check out as well.
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  • Firman Generator Remote Start Not Working
  • For your Firman 10,000-Watt Portable Generator # 333-P08003 you will want to make sure that the engine and the battery switch is in the "RUN" position. Next, if that does not fix the issue, check the physical batteries in the remote, ensure they are not dead; Replace if necessary. Finally, the last thing to try is to reprogram the remote. If that all still does not work you most likely have a defective remote and will need to replace it. In response to the "start" not working it can...
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