Question about 2003 Oldsmobile Alero

1 Answer

Some sort of sensor

My wife has an 03 alero V-6. I snapped the casing to a sensor over the oil filter when changing the oil. Now the service engine light is on, and she said it over heated on her way home from work. What is it and what is it's function??

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  • Master
  • 417 Answers

Hi,
most likely it was the fan relay sensor , that switches the fan on/off when the engine water gets too hot, go back and study how bad you broke it, hopefully you just broke off the harness holder, you can make one with spare parts from the auto parts store or go to the junkyard and find parts, and resplice the harness. if you broke the switch off it still isnt too bad , you have to use two wrenches to remove it one on the switch body and one on the switch nut itself, MAKE SURE AND USE TWO WRENCHES use one to hold the switch and another to turn it, sort of like transmission cooler line fittings dont try to remove the switch with one wrench. If you need to use the car right now you can do either of two things, you can try and bypass the switch, Im not entirely sure but I think those engines have a two speed fan and theyre maybe three wires coming out of that switch sensor, your going to have to buy a haynes or chilton manual and trace the wires before you bypass the switch so you dont make the computer mad, or she can just shut the car off at the lights and idling in traffic, of course fixing the switch would be the first option, I dont recommend driving it much and remember if you bypass the switch, the fan will run all the time untill the battery goes dead, regardless of anything, so youll have to take the battery cable off at night! best bet get yourself the haynes book for that car, study the fan wiring color diagram, and study how bad you busted the sensor and replace, good luck

good luck

J

Posted on Jul 29, 2008

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How to replace oil sensor in 2003 olds alero


For oil pump,oil pump pressure,oil warning light,oil low,oil ewplacing and other car engine oil problems,the help links are provided below.Click the link to go through the procedure :-----Oil light came on and the car died?http://schematicsdiagram.blogspot.in/2012/03/oil-light-came-on-and-car-died.html--------How to replace Oil filler cap or breather cap?http://repairhelpcenter.blogspot.in/2012/02/how-to-replace-oil-filler-cap-or.html---------Oil pouring out from left front of engine?http://schematicsdiagram.blogspot.com/2012/01/oil-pouring-out-from-left-front-of.html------Common Causes of Car Oil Leaks?http://schematicsdiagram.blogspot.com/2011/12/common-causes-of-car-oil-leaks.html--------Troubleshoot Car Oil leak?http://schematicsdiagram.blogspot.com/2011/12/troubleshoot-car-oil-leak.html--------Oil change details?http://repairhelpcenter.blogspot.com/2012/01/toyota-highlander-sport-oil-change.html---------Low oil pressure light?
http://howtobyme.blogspot.com/2011/11/low-oil-pressure-light-on-dodge-magnum.html
----------
leaking oil from oil pan?
http://howtobyme.blogspot.com/2011/11/kia-sportage-leaking-oil-from-oil-pan.html ----------
Car Turns OFF due to low oil pressure warning light?

http://schematicsdiagram.blogspot.com/2011/12/car-turns-off-due-to-low-oil-pressure.html

------------
leaking oil from timing cover?

http://technoanswers.blogspot.in/2012/02/toyota-corolla-leaking-oil-from-timing.html

----------
For more oil and oil pump details check out the direct links below: ---

How to Replace Oil Pan on car?
http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-oil-pan-on-audi-a4-and.html
--------
How to Replace an Oil Pan Gasket?
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-oil-pan-gasket.html
-----------
HOW TO REPLACE AN OIL PUMP
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-oil-pump.html
----------
HOW TO CHANGE ENGINE OIL AND FILTER
http://schematicsdiagram.blogspot.com/2011/07/how-to-change-engine-oil-and-filter.html
----------
HOW TO REPLACE AN OIL PRESSURE SWITCH (SENSOR)
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-oil-pressure-switch.html
-----------
How to Check Differential Oil Leaks and Replace Oil
http://schematicsdiagram.blogspot.com/2011/07/how-to-check-differential-oil-leaks-and.html
----------
HOW TO PERFORM A BASIC ENGINE TUNE UP-OIL CHANGE
http://schematicsdiagram.blogspot.com/2011/08/how-to-perform-basic-engine-tune-up-oil.html

-------


Oil pan Gasket on car?
http://howtobyme.blogspot.com/2011/11/oil-pan-gasket-on-1998-toyota-tercel.html

---------

Oil pressure for car?

http://schematicsdiagram.blogspot.com/2011/12/oil-pressure-for-2001-gmc-jimmy-v6.html

----------
How to replace Oil Pan on car?

http://schematicsdiagram.blogspot.com/2011/12/how-to-replace-oil-pan-on-2008-honda.html

---------
How to replace Oil Pressure Sensor on car?

http://schematicsdiagram.blogspot.com/2011/12/how-to-replace-oil-pressure-sensor-on.html

-----------
How to replace Oil Pump on car?

http://howtobyme.blogspot.com/2011/12/how-to-replace-oil-pump-on-2008-honda.html

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Car oil leak?

http://schematicsdiagram.blogspot.com/2011/12/car-oil-leak.html

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Car oil leaks from valve cover gasket?

http://schematicsdiagram.blogspot.com/2011/12/car-oil-leaks-from-valve-cover-gasket.html

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Oil light blinks on dashboard?

http://schematicsdiagram.blogspot.com/2011/12/oil-light-blinks-on-dashboard.html

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Oil pressure issues on car?


http://repairhelpcenter.blogspot.com/2012/01/oil-pressure-issuers-on-toyota-tundra.html

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Oil leaks from air filter on ford?

http://technoanswers.blogspot.com/2012/01/oil-leaks-from-air-filter-on-ford.html

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Wire running from oil pan to alternator?

http://technoanswers.blogspot.in/2012/02/wire-running-from-oil-pan-to-alternator.html

--------------
Why car leaks oil from oil filter?

http://schematicsdiagram.blogspot.in/2012/02/toyota-camry-leaks-oil-from-oil-filter.html

------------
Why engine is consuming lots of oil?

http://schematicsdiagram.blogspot.in/2012/02/2008-scion-xb-24l-engine-is-consuming.html

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Maint REQD message on car dash?

http://schematicsdiagram.blogspot.in/2012/02/maint-reqd-message-on-2008-lexus-rx350.html

------
Remove Sump oil pan?

http://repairhelpcenter.blogspot.in/2012/03/remove-volkswagen-sump-oil-pan.html

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Sump not coming OFF?

http://repairhelpcenter.blogspot.in/2012/03/sump-not-coming-off.html

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How to remove the sump on car?http://repairhelpcenter.blogspot.in/2012/03/how-to-remove-sump-on-vw-beetle.html----------Car oil sump removal diagram?

http://repairhelpcenter.blogspot.in/2012/03/volkswagen-beetle-oil-sump-removal.html

---------

This will help.

Thanks.

Feb 22, 2012 | 2003 Oldsmobile Alero

1 Answer

I am trying to drop the oil pan on a 2004 V6 Alero, having trouble getting to bolts on the side of the il pan. I have heard that the engine may have to be raised? I have gotten ten of the twelve pan b


For more oil and oil pump details check out the direct links below: ---

How to Replace Oil Pan on car?
http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-oil-pan-on-audi-a4-and.html
--------
How to Replace an Oil Pan Gasket?
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-oil-pan-gasket.html
-----------
HOW TO REPLACE AN OIL PUMP
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-oil-pump.html
----------
HOW TO CHANGE ENGINE OIL AND FILTER
http://schematicsdiagram.blogspot.com/2011/07/how-to-change-engine-oil-and-filter.html
----------
HOW TO REPLACE AN OIL PRESSURE SWITCH (SENSOR)
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-oil-pressure-switch.html
-----------
How to Check Differential Oil Leaks and Replace Oil
http://schematicsdiagram.blogspot.com/2011/07/how-to-check-differential-oil-leaks-and.html
----------
HOW TO PERFORM A BASIC ENGINE TUNE UP-OIL CHANGE
http://schematicsdiagram.blogspot.com/2011/08/how-to-perform-basic-engine-tune-up-oil.html

-------


Oil pan Gasket on car?
http://howtobyme.blogspot.com/2011/11/oil-pan-gasket-on-1998-toyota-tercel.html

---------

Oil pressure for car?

http://schematicsdiagram.blogspot.com/2011/12/oil-pressure-for-2001-gmc-jimmy-v6.html

----------
How to replace Oil Pan on car?

http://schematicsdiagram.blogspot.com/2011/12/how-to-replace-oil-pan-on-2008-honda.html

---------
How to replace Oil Pressure Sensor on car?

http://schematicsdiagram.blogspot.com/2011/12/how-to-replace-oil-pressure-sensor-on.html

-----------
How to replace Oil Pump on car?

http://howtobyme.blogspot.com/2011/12/how-to-replace-oil-pump-on-2008-honda.html

----------
Car oil leak?

http://schematicsdiagram.blogspot.com/2011/12/car-oil-leak.html

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http://schematicsdiagram.blogspot.com/2011/12/car-oil-leaks-from-valve-cover-gasket.html

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Oil light blinks on dashboard?

http://schematicsdiagram.blogspot.com/2011/12/oil-light-blinks-on-dashboard.html

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Oil pressure issues on car?


http://repairhelpcenter.blogspot.com/2012/01/oil-pressure-issuers-on-toyota-tundra.html

-----------
Oil leaks from air filter on ford?

http://technoanswers.blogspot.com/2012/01/oil-leaks-from-air-filter-on-ford.html

---------
Wire running from oil pan to alternator?

http://technoanswers.blogspot.in/2012/02/wire-running-from-oil-pan-to-alternator.html

--------------
Why car leaks oil from oil filter?

http://schematicsdiagram.blogspot.in/2012/02/toyota-camry-leaks-oil-from-oil-filter.html

------------
Why engine is consuming lots of oil?

http://schematicsdiagram.blogspot.in/2012/02/2008-scion-xb-24l-engine-is-consuming.html

-----------
Maint REQD message on car dash?

http://schematicsdiagram.blogspot.in/2012/02/maint-reqd-message-on-2008-lexus-rx350.html

------
Remove Sump oil pan?

http://repairhelpcenter.blogspot.in/2012/03/remove-volkswagen-sump-oil-pan.html

--------
Sump not coming OFF?

http://repairhelpcenter.blogspot.in/2012/03/sump-not-coming-off.html

-----------
How to remove the sump on car? http://repairhelpcenter.blogspot.in/2012/03/how-to-remove-sump-on-vw-beetle.html

----------
Car oil sump removal diagram?

http://repairhelpcenter.blogspot.in/2012/03/volkswagen-beetle-oil-sump-removal.html

---------

This will help.

Thanks.


Feb 13, 2012 | 2004 Oldsmobile Alero

1 Answer

How to replace the oil pump


For oil pump,oil pump pressure,oil warning light,oil low,oil ewplacing and other car engine oil problems,the help links are provided below.Click the link to go through the procedure :-----Oil light came on and the car died?http://schematicsdiagram.blogspot.in/2012/03/oil-light-came-on-and-car-died.html--------How to replace Oil filler cap or breather cap?http://repairhelpcenter.blogspot.in/2012/02/how-to-replace-oil-filler-cap-or.html---------Oil pouring out from left front of engine?http://schematicsdiagram.blogspot.com/2012/01/oil-pouring-out-from-left-front-of.html------Common Causes of Car Oil Leaks?http://schematicsdiagram.blogspot.com/2011/12/common-causes-of-car-oil-leaks.html--------Troubleshoot Car Oil leak?http://schematicsdiagram.blogspot.com/2011/12/troubleshoot-car-oil-leak.html--------Oil change details?http://repairhelpcenter.blogspot.com/2012/01/toyota-highlander-sport-oil-change.html---------Low oil pressure light?
http://howtobyme.blogspot.com/2011/11/low-oil-pressure-light-on-dodge-magnum.html
----------
leaking oil from oil pan?
http://howtobyme.blogspot.com/2011/11/kia-sportage-leaking-oil-from-oil-pan.html ----------
Car Turns OFF due to low oil pressure warning light?

http://schematicsdiagram.blogspot.com/2011/12/car-turns-off-due-to-low-oil-pressure.html

------------
leaking oil from timing cover?

http://technoanswers.blogspot.in/2012/02/toyota-corolla-leaking-oil-from-timing.html

----------
For more oil and oil pump details check out the direct links below: ---

How to Replace Oil Pan on car?
http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-oil-pan-on-audi-a4-and.html
--------
How to Replace an Oil Pan Gasket?
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-oil-pan-gasket.html
-----------
HOW TO REPLACE AN OIL PUMP
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-oil-pump.html
----------
HOW TO CHANGE ENGINE OIL AND FILTER
http://schematicsdiagram.blogspot.com/2011/07/how-to-change-engine-oil-and-filter.html
----------
HOW TO REPLACE AN OIL PRESSURE SWITCH (SENSOR)
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-oil-pressure-switch.html
-----------
How to Check Differential Oil Leaks and Replace Oil
http://schematicsdiagram.blogspot.com/2011/07/how-to-check-differential-oil-leaks-and.html
----------
HOW TO PERFORM A BASIC ENGINE TUNE UP-OIL CHANGE
http://schematicsdiagram.blogspot.com/2011/08/how-to-perform-basic-engine-tune-up-oil.html

-------


Oil pan Gasket on car?
http://howtobyme.blogspot.com/2011/11/oil-pan-gasket-on-1998-toyota-tercel.html

---------

Oil pressure for car?

http://schematicsdiagram.blogspot.com/2011/12/oil-pressure-for-2001-gmc-jimmy-v6.html

----------
How to replace Oil Pan on car?

http://schematicsdiagram.blogspot.com/2011/12/how-to-replace-oil-pan-on-2008-honda.html

---------
How to replace Oil Pressure Sensor on car?

http://schematicsdiagram.blogspot.com/2011/12/how-to-replace-oil-pressure-sensor-on.html

-----------
How to replace Oil Pump on car?

http://howtobyme.blogspot.com/2011/12/how-to-replace-oil-pump-on-2008-honda.html

----------
Car oil leak?

http://schematicsdiagram.blogspot.com/2011/12/car-oil-leak.html

----------
Car oil leaks from valve cover gasket?

http://schematicsdiagram.blogspot.com/2011/12/car-oil-leaks-from-valve-cover-gasket.html

----------
Oil light blinks on dashboard?

http://schematicsdiagram.blogspot.com/2011/12/oil-light-blinks-on-dashboard.html

-----------
Oil pressure issues on car?


http://repairhelpcenter.blogspot.com/2012/01/oil-pressure-issuers-on-toyota-tundra.html

-----------
Oil leaks from air filter on ford?

http://technoanswers.blogspot.com/2012/01/oil-leaks-from-air-filter-on-ford.html

---------
Wire running from oil pan to alternator?

http://technoanswers.blogspot.in/2012/02/wire-running-from-oil-pan-to-alternator.html

--------------
Why car leaks oil from oil filter?

http://schematicsdiagram.blogspot.in/2012/02/toyota-camry-leaks-oil-from-oil-filter.html

------------
Why engine is consuming lots of oil?

http://schematicsdiagram.blogspot.in/2012/02/2008-scion-xb-24l-engine-is-consuming.html

-----------
Maint REQD message on car dash?

http://schematicsdiagram.blogspot.in/2012/02/maint-reqd-message-on-2008-lexus-rx350.html

------
Remove Sump oil pan?

http://repairhelpcenter.blogspot.in/2012/03/remove-volkswagen-sump-oil-pan.html

--------
Sump not coming OFF?

http://repairhelpcenter.blogspot.in/2012/03/sump-not-coming-off.html

-----------
How to remove the sump on car?http://repairhelpcenter.blogspot.in/2012/03/how-to-remove-sump-on-vw-beetle.html----------Car oil sump removal diagram?

http://repairhelpcenter.blogspot.in/2012/03/volkswagen-beetle-oil-sump-removal.html

---------

This will help.

Thanks.

Feb 12, 2012 | 2000 Oldsmobile Alero

1 Answer

I have a 2000 Olds Alero that will not start, i have changed the oil, oil filter, spark plugs, wire set, alternator, belt, battery, fuel filter, o2 sensor, crankshaft sensor but my vehicle still will not...


I see you have changed many parts on vehicle, the only other thing that comes to mind is the timing belt. but that depends if its a four or 6 cylinder. some fours have the timing belt as to the chain. and also make sure you are getting spark from coils. but check the belt first. and make sure fuel pump is ok !! have a good day !!

Jun 07, 2011 | 2000 Oldsmobile Alero

1 Answer

Why my oldsmobile alero 1999 wont keep water in


CHECK FOR COOLANT LEAKS AROUND THE RADIATOR LOOK DOWN BETWEEN COOLING FANS AND RADIATOR SIDES FOR SIGNS OF ANTIFREEZE.CHECK ALL RADIATORS HOSES AND HEATER HOSES.IF ALL LOOK GOOD CHECK ENGINE OIL FOR COOLANT LEAKS.IF OIL LOOKS LIKE MILK SHAKE COOLANT LEAKING IN CRANK CASE.YOU HAVE A HEAD GASKET LEAK.YOU NEED TO CHANGE OIL + FILTER. GET THE HEAD GASKET FIX.BECAUSE LEAK IN THE CRANK CASE WILL LOCK UP THE ENGINE.IF CRANK CASE OIL LOOKS OKAY.YOU DONT HAVE THE COOLANT CORRECT MIXTURE.YOU SHOULD HAVE 50/50 ANTIFREEZE AND WATER.

Apr 23, 2011 | 1999 Oldsmobile Alero

1 Answer

2.4 l has top end rattle what do you think it might be ? im wondering that its lifters


CLATTERING NOISE COULD BE WORN LIFTERS OR OIL CONTAMINATED WITH ANTIFREEZE OR GASOLINE.OR THE OIL PASSAGES IN BLOCK STOPPED UP WITH SLUDGE.TRY CHANGING ENGINE OIL AND FILTER ADD A CAN OF SEAFOAM TO CRANK CASE.DONT OVER FILL CRANK CASE.IF CLATTERING DOES STOP NEW OIL GET REAL BLACK DIRTY.YOU PROBABLY NEED TO CHANGE OIL FILTER AND OIL AGAIN.WHEN SEAFOAM CIRCULATE THROUGH THE ENGINE BLOCK FLUSHING OUT CARBON SLUDGE BUILD UP IN OIL PASSAGES.IT WILL GO TO OIL CRANK CASE GETTING NEW OIL DIRTY.SO CHANGE ENGINE OIL AGAIN.ONCE LIFTERS QUIET DOWN.IF LIFTERS NOISE CONTINUE.YOU NEED NEW LIFTERS.

Feb 13, 2011 | 1999 Oldsmobile Alero

1 Answer

Just had oil change done on my 2000 alero now my service engine soon light is on.I want to know what this means


It simply means that the service indicator was not reset when the oil was changed. If the oil was changed professionally, then resetting the service indicator is usually part of the job.

It's not just a reminder to change the oil, it's also there to remind you to check/adjust/lubricate/replace other items such as the air filter, oil filter, spark plugs, fuel filter, dampers (UK=shock absorbers) etc.

The service indicator is simply a dumb counter keyed to mileage and time elapsed and cannot sense when you have completed a service. Resetting the indicator requires a special tool so you'll need to take your car to a suitably equipped garage.

May 03, 2010 | 2000 Oldsmobile Alero

2 Answers

Transmission Fluid..


if you only removed the transmission pan you should only need about 6 quarts. the transmission dipstick has level marks at the bottom of stick keep the amount in between the marks.

Jan 09, 2010 | 2003 Oldsmobile Alero

2 Answers

Cant find oil filter on a 2002 alero 2.2 liter


The oil filter on a 2.2 liter...if it is an ecotec engine is right there toward the front of the engine on the right hand side. It is a cartridge filter. Just unscrew the cap, pull out old filter with the cap. Make sure the gaskets that come with the filter are replaced and snap new filter inside the cap and replace.

Jan 07, 2010 | 2002 Oldsmobile Alero

1 Answer

Where is the oil filter located on the alero 2002 v6?


oil filter is located on a V-6 olds alero under-car front side in between radiator and engine.., sits kinda off to the side..

Jul 10, 2009 | 2002 Oldsmobile Alero

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