Question about 1989 Cadillac Eldorado
I need a diagram for the serpentine belt on a 1989 Cadillac Eldorado 4.5l its not a north-star engine there is no diagram when i open the hood its been faded out
Okay, let me try to help you, its a 1989 eldorado 4.5 engine. here you are a diagram of the belt routing, hope this helps . good day.
Posted on Feb 17, 2012
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Posted on Jan 02, 2017
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
Click on the link below and enter the engine size. You will be taken to another page. Under the part number, there will be a Routing Diagram link to give you your diagram. Best of luck.
Posted on Jun 19, 2009
Hi, follow this step for clear the a/c codes on your cadillac el dorado 1999.
I Hope you will solve your problem with this instruction page, thanks for using fixya.
Posted on Jul 07, 2008
remove ac vents with flat head screwdriver . thair should be a 7mm bolt in each vent holding tha dash pad on remove them. remove the trim going to head liner from the dash pad. use a 7mm to remove the bolts holding the cluser in place should be one each side and 3 across the back . disconnect the wiring harness and your done. also disconnect the negative batery cable when doing this
Posted on Apr 03, 2010
Take a look at your air con controls on the centre console.
You will see an "OFF" button and to the right of this you will see a toggle switch with an up arrow with the word "PASS" just below it.
Simultaneously press the "OFF" button and the up arrow together for three seconds or so and release when you see the instrument cluster lights come on.
You are now in diagnostic mode.
Read the codes from the digital display on the instrument cluster.
Have a pen and note pad ready to write down the codes.
Posted on May 23, 2010
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