Question about 1996 Cadillac Eldorado
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Posted on Jan 02, 2017
very tight but you can clear the engine just moving some spark plug wires and the vacuum controls (controlled units?) right in front of it. when you get the bolts off the blower fan housing and its free to move you just have to rotate it so the flat part can clear the rear valve cover. do yourself a favor and be sure to isolate the problem to the motor (and not the electrical connections or the computer disabling it for something rediculous like lack of a/c charge) as it's an expensive part for a little motor and worse (around 250 i think) if you need end up replacing the entire fan.
Posted on Feb 19, 2009
Hello mrsalbert, my name is JShreader. Thank you for choosing fixya.com
Depending on which oxygen sensor you are looking for...there are several of them throughout the Exhaust System. I will start out by giving you a brief description of what and oxygen sensor is, and they're general purpose.
Four Heated Oxygen Sensors (HO2S) are mounted in the exhaust system where they monitor the oxygen content in the exhaust stream. There is an oxygen sensor mounted in each exhaust manifold and one on each end of the catalytic converter. the oxygen sensor located in the front exhaust manifold is the Bank 2 Sensor 1 (Front) sensor. The oxygen sensor located in the rear exhaust manifold is the Bank 1 Sensor 1 (Rear) sensor. The oxygen sensor located in the Y-pipe ahead of the catalytic converter is the Bank 1 Sensor 2 (Pre-converter) sensor. The oxygen sensor located in the catalytic converter outlet is the Bank 1 Sensor 3 (Post-converter) sensor.
An oxygen sensor acts like a battery because it creates its own signal voltage once it reaches operating temperature. This voltage is produced when the oxygen content in the exhaust stream is different than the oxygen content in the atmosphere. A lean condition (high oxygen content in exhaust) will produce a low voltage (near 0 volts) and a rich condition (low oxygen content in exhaust) will produce a high voltage (near one volt). The PCM provides a reference signal voltage (0.45 volt) and a ground to the sensor. The PCM reference voltage is necessary because the oxygen sensors do not provide their own voltage until they reach operating temperature.
the oxygen sensors also incorporate a heating element inside of the sensor housing. This heating element is energized with the ignition On and allows the sensors to reach operating temperatures quickly. The PCM can then use oxygen sensor information sooner after engine start-up.
The PCM uses oxygen sensor information during Closed Loop operation to constantly adjust fuel control to reduce exhaust emissions. Because the oxygen sensors provide information sooner after engine start-up, exhaust emissions are reduced. Faulty oxygen sensors will cause various driveability conditions and will set a DTC.
That being said...I uploaded a .pdf for you of pictures showing the locations of ALL the oxygen Sensors on your Vehicle. You can download it by clicking HERE.
I hope this helps you. If you have any more questions or need any more diagrams, please don't hesitate to ask...Thanks again, JShreader!
Posted on Apr 01, 2009
Most likely you need a new battery but do this first. Remove the battery ground connection and the positive connection. Clean them with soda water(coke is sticky but all sodas will work). Scrape or sand the inside of the cable connectors and the outside of the battery posts till they are shiny. A low battery light usually means it is not fully charged or taking a charge optimally but effective troubleshooting the battery and starting system starts with clean,secure connections and a fully charged battery. If your battery has electrolyte filling caps undo them and check the level. If they need topping off use distilled water only. Charge the battery with a car battery charger. It should read about 13.4 Volts under no load. Check and clean the battery negative cable connection to the block and the positive connection to the starter solenoid. Check for good connections to the charging output from the alternator. Inspect all wires for kinks, cracking, shorts, ect. A good once over will reveal probem wiring. Reinstall the battery and cables. Giv'er a crank and see if that is not stronger. Drive it for an hour or so and crank it again. Any noticable degradation in cranking power means you have a bad battery, alternator, diode pack if applicable, voltage reguator, or any combination of the three. Take your alternator and battery to your auto parts dealer. They will usually test them for free. Aslo, starters can wear after time but this is most likely not your problem based on the symptoms.
Posted on Jul 08, 2009
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