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Janice Bryant Posted on Feb 24, 2019
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I have a 2003 olds.alero 2.2.i trying to find the transmission input sensor. Can anyone help with this issue.

1 Answer

Derrick Schultz

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  • Oldsmobile Master 11,405 Answers
  • Posted on Feb 26, 2019
Derrick Schultz
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Joined: Jan 17, 2019
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There's a website that has all this information about all this and manuals everything totally free there are many actually but I personally like few .. let me know if u need help
thanks

5 Related Answers

Anonymous

  • 7 Answers
  • Posted on Dec 19, 2008

SOURCE: 2003 Olds Alero headlights won't turn off (has auto sensor)

pull out the fuse for it dude

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Anonymous

  • 117 Answers
  • Posted on Jul 02, 2009

SOURCE: checking the transmission fluid

I dont believe that car has a trans dip stick there is a bolt underneath that you remove while engine is running if you see trans fluid flowing it is full not sure how to explain exactly where it is if you have not done it I dont recomend trying

Molson02536

Harvey N Tawatao

  • 3854 Answers
  • Posted on Dec 15, 2009

SOURCE: Transmission Input Speed Sensor Replacement 1997 Plymouth Voyager

The first thing I needed to do was to identify my transmission. The 2000 Dodge Grand Caravan Sport (3.3 L) has the A604 transmission, as did any Caravan from 1989 to 2006. Might as well replace both sensor and will take less then 30 min from start to finish.

Vehicle's with A604 transmissions have chronic input and output speed sensor problems and also with the little wire connectors to those input and output speed sensors. The dealer offers a repair kit for these wires instead of buying a whole new wire harness. On most of these vehicles, If you have a code 41-44 you should check for weak battery voltage first. now the shop needs to check the wiring for poor grounds. I have seen that The transmission controller often goes bad causing these same codes, so be careful.

Parts/Tool List:
10mm socket (to remove top of air intake)
1" socket (to remove/tighten sensors)
standard screwdriver (to loosen hose clamps)
Vehicle Speed Sensor - INPUT
Vehicle Speed Sensor - OUTPUT

Removal/Installation:
The first step is to remove the airbox cover. This can be removed with a 10mm socket. Under the airbox cover is the actual airbox; remove the filter by unsnapping the clamps holding the lid in place. Maybe this is a good time to see if your filter needs to be replaced.

Once you've got the airbox cover and filter off, you should be able to see where the sensors are located on the transmission. On the left is the input sensor behind the Transmission Solenoid pack by the transmission dip stick tube , and on the right is the output sensor.

The input sensor is located just under two little hoses; remove the clamps and get those houses of the way. Make sure that you keep track of which hose goes on the left and which one goes on the right. To remove the sensor connector, there's a tab that lifts up, probably under the sensor. It lifts very easily, and the connector slides right off. If it's not coming right off, you haven't properly lifted the tab.

To remove the sensor, you need a 1" socket which should fit right over the terminal. The socket should also be large enough to clear the hose nipples. Note that with both of these sensors, the base is plastic. If you use anything other than a 1" socket, you'll rip the plastic to shreds and never be able to get the sensor off. USE the socket.

In most situation, the output sensor was covered in sludge, which may have been the source of the problem. Both the input and output sensors use some kind of magnetic receiving unit, and those magnets will pick up tiny metal shavings that are suspended in the transmission fluid. I suppose 10 years worth of buildup is enough to cause the sensor to throw bad signals. But maybe something on the inside caused the problem... so replacing it outright was the best decision.

Anyhow, after replacing the two sensors, the transmission problems 98% of the time will completely be resolved. No more weird cruise control issues, no more erratic speedometer, and no more 2-to-1 gear drops when coming to a stop. Problem solved. Good luck and merry xmass


Anonymous

  • 1857 Answers
  • Posted on Jan 13, 2010

SOURCE: roaring noise in front of 2003 olds alero gets

Have a shop look at it. It may just be a failed wheel bearing. The bearing will leave you stranded if it gets bad enough and cause more damage.

emissionwiz

Marvin

  • 85242 Answers
  • Posted on Mar 19, 2010

SOURCE: locating front wheel speed sensor

IT IS LOCATED BEHIND THE BRAKE ROTOR IN THE WHEEL HUB, IT HAS A WIRING HARNESS GOING TO IT.

Testimonial: "thanks emissionwhiz will check first thing tomorrow "

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Related Questions:

0helpful
1answer

2003 Oldsmobile Alero starts and then dies. I've put new crankshaft sensor in it and fuel filter. Battery is good and the fuel pump is working. The security light isn't on, what else could it be?

Question edited for clarity and typos.
Question moved to model category.

It is a known issue. Fuel pumps can work, but not provide enough pressure, so you need to test with a pressure gauge. There is also a Pressure Regulator. Have a read of this.

https://www.justanswer.com/oldsmobile/6cz1n-oldsmobile-alero-olds-alero-starts-dies.html

Lots more here

https://www.google.com/search?q=2003+Oldsmobile+Alero+starts+and+then+dies

You may need an auto electrician with a pro grade scan tool computer.

..
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I have a 2003 olds alero with a 3400 new fuel pump crank and cam sensor and pass lock is not flashing turns over but will not start can anyone help

Reset the security by turning the ignition switch on(not start) for 20 minutes, not less, more is ok. Turn the switch off, then attempt to start. If its a security issue, this should cure it.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/david_4c166ba81493f541

0helpful
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Cant find the location of the input speed sensor on a 1999 olds alero

VECHICLE SPEED SENSOR LOCATED ON END TRANSMISSION AXLE SHAFT HOUSING.
2helpful
1answer

Shifting/RPM problems

check tranny fluid. if tranny fluid checks good then buy a bottle of "lucas transmission additive". this is the best on market. you can buy at atuozone, oreillys or napa. the transmission fluid can only be checked while engine is warm and running in park. another stupid question. when you back up does the car make a funny squeaking nosie? if so then your u-joints are the culprit.
2helpful
1answer

Roaring noise in front of 2003 olds alero gets louder as I accelerate, sounds like manual transmission needing to be shifted to next gear(this isn't a manual transmission

Have a shop look at it. It may just be a failed wheel bearing. The bearing will leave you stranded if it gets bad enough and cause more damage.
0helpful
1answer

2001 Olds Alero will act **** when switching gears

My car does the same thing. I wondered that myself, I don't think that's what it is though, I don't think you have an issue with the transmission. Your car has TWO check engine lights, and with the Alero--if there is an issue with the transmission one of the lights will come on. I am not 100% positive of this, but I had a 1999 Bravada (Olds) and it did do that when I had a tranny issue.

I notice when I drive my 2001 Alero my right leg gets SORE from pushing the pedal so hard. I think it is age, not the transmission.

READ YOUR SERVICE MANUALS. I don't get why people ignore them, honestly they have a wealth of information in them...could have saved a lot of people lots of money when people started claiming their car wouldn't start when it was a security feature that is listed in the manual that came with the book.
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O2 sensor

should have 2 one on the back side of the engine before the cat and one after the cat
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