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Re: oil loss and code 1806 on my 2001 cadillac el dorado
I believe what you mean is a P1860 code? There is no P1806. The code is for a torque converter clutch pulse width solenoid, which is an internal electrical part of the transmission, it is a pretty labor intensive job, and you could actually end up needing a full transmission. that and the oil pan gasket could lead to a heafty bill, if its worth it to fix is up to your and your financial situation really, ask yourself if you can buy a different car with the money that you are quoted for the work.
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had same thing happen on my 92 el dorado. problem is at the blower control power relay the 2 plug connectors or the connector for the blower fan. theree is a flow chart to test the voltages going to these connector in the factory shop manual, for a 92 el dorado on page 1C-17 if I remember correctly. if voltages check ok then make sure plugs are securely plugged in. if still does not work, then it's the blower control power relay. good luck!
P0741 , P01860 are both transmission codes..TCC solenoid (torque converter clutch ) shorted., this is common and is an extensive job to repair. Was the gasket and pan replaced on the motor or transmission ?
Fluid - A/T: Service and Repair Transmission Fluid and Oil Filter Changing REMOVAL PROCEDURE 1. Raise and suitably support the vehicle. Refer to Vehicle Lift Points. 2. Place drain pan under pan 3. Remove oil pan bolts from front and sides only. 4. Loosen the rear oil pan bolts approximately four turns. 5. Lightly tap the oil pan with a rubber mallet or pry to drain the fluid from main case. 6. Remove the oil pan bolts from rear oil pan and gasket. 7. Remove front oil pan bolts leaving one corner bolt in loosely. 8. Lightly tap oil pan with rubber mallet or pry to drain fluid. 9. Remove the following remaining components: ^ The front oil pan bolts ^ The oil pan ^ The gasket 10. Remove the oil filter bolts and filter. 11. Clean the following components: ^ The transmission case ^ The front adapter case ^ The oil pan gasket surfaces with solvent ^ Air dry ^ All traces of gasket material must be removed INSTALLATION PROCEDURE 1. Install the gasket. 2. Install the oil filter. 3. Install the bolts. ^ Tighten the transmission oil filter bolts to 20 Nm (15 ft. lbs.). NOTICE: Refer to Fastener Notice in Service Precautions. 4. Install the front oil pan. 5. Install the front oil pan gasket 6. Install the front oil pan bolts ^ Tighten the front oil pan bolts to 11 Nm (96 inch lbs.). 7. Install the following components: ^ Install the pan ^ Install the gasket ^ Install the bolts ^ Tighten the oil pan bolts to 11 Nm (96 inch lbs.). 8. Refill the transmission with DEXRON III through oil pan fill plug on the side of the (main case) oil pan. Fill the transmission to lower edge of oil pan fill. Fill plug opening using and oil suction gun. ^ Tighten the oil pan fill plug to 45 Nm (33 ft. lbs.). 9. Lower the vehicle. 10. Check the transmission fluid level. Refer to Transmission Fluid Checking Procedure.
Most affordable possible solution is to give it a transmission tune-up. Transmission number one problem is neglect. Change the oil, filter and pan gasket. You'll probably need to take the pan off, very messy job. Take the pan off, carefullyscrape all old gasketmaterial, clean the pan with dish washing soap, dry it completely, put a bottle of Lucas for transmission in the pan. Put some Indian Head Gasket Shellac Compound on the pan gasket surface. Set the gasket on the pan, keep the gasket on the pan for three minutes then install. Don't put any Shellac on the transmission gasket surface nor on the gasket. Follow recommended directions for filling the transmission with oil.