![]() ![]() The facts I'm impressed with would be the thousands that have suffered engine damage against millions(?) that have quietly used recommended Dexcool without any issues. There are naysayers on these forums warning to stay away from Dexcool but these are the loud ones with no facts and I mean F_A_C_T_S. If one were to compare prices on pre-mixed diluted and the equivalent to one gallon of straight coolant, the pre-mix costs more. There are coolants being sold already pre-mixed and touted as "PRE-MIXED! NO WATER NEEDED!" to make it seem as if you're buying a great product but buyer beware. And all straight undiluted coolant is mixed with distilled water for the 50/50 concentration. I know the coolant system on the L is a closed system, but I gotta think you could lose some coolant after 95,000 miles (actually 195,000 on mine, but I last changed it at 100,000)?ĭexcool is supposed to be good for 5yrs or 100,000 miles. It wouldn't hurt to remove the reservoir container, if its dirty, and rinse it out completely as suggested before to ensure a non-sticking float when filling up with new coolant.Īs I recall I think you're supposed to mix with distilled water.but does that hold true with Dex Cool as well?Īs for the float and tank it looks pretty clean, so I think I'll just top off first and see if that does the trick. If it does then you'll know when the flush and fill is done to fill above the level mark. Since you're going to flush the system it won't hurt to over fill the container and see if the low coolant indicator stays off. One way to test whether your level needs to be topped off a little higher than recommended is to fill the container above the fill level with water and observe over the next few days. cold range (late l997-2001).Its just a level sensor and not a way to detect dirty coolant. Run the engine until the upper radiator hose is hot, then add more coolant if needed to bring the level to the FULL COLD level (1991-early 1997) or within the Min./Max. If necessary, fill the coolant surge tank to the FULL COLD range with 50/50 solution of the correct type of antifreeze and clean water.ġ4. Transfer the engine coolant drained in step 5 into a coolant surge tank. ![]() If the harness connector terminals are corroded or there is evidence of engine coolant, the harness connector must be replaced with a new connector (P/N 12117087-includes: connector, terminals, wires and splice sleeves).ġ3. Inspect the harness connector terminals for corrosion and/or evidence of engine coolant. Install the ECT sensor in the cylinder head.ġ1. Use the appropriate tap to clean the sensor mounting hole of any thread sealant residue.ġ0. Obtain the replacement ECT sensor (P/N 21025106).ĩ. Remove the ECT sensor from the cylinder head.Ĩ. Disconnect the ECT sensor electrical connector.ħ. Collect the engine coolant in a container.Ħ. Drain at least 1.9L (2 qt.) of engine coolant from the cooling system by opening the radiator drain valve or removing the engine drain plug. If the ECT sensor reading passes both of the tests above, refer to the appropriate symptom diagnostic chart in the Engine/Emissions Controls section of applicable engine service manual.Ĭaution: Do not remove the cap or open the cooling system drains from a hot system.If the ECT sensor reading does not pass either of the above tests, continue with the next step.These two readings should be within 8° C (15° F) of each other. With the engine running and A/C off, use a scan tool to compare the ECT sensor reading to the thermometer reading. ![]()
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