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Trailblazer 02 engine lock up after oil change. Lost oil pressure.

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Loss of oil pressure is rare unless there's also a leak or not enough oil was added when changed. Check the oil level with the dipstick. if it dosen't show a level between the marks then look for a leak, [ the oil filter may not be seated properly, lines to the cooler, drain plug, etc. ]. If no leak is found, then not enough oil [ or none ] was put back in when changed. If it has no oil then don't add any or do anything to it, chances are the motor is ruined.
If this was done at a shop, then you should contact them first, if you get a run arround then contact your state's comsumer protection agency.

Posted on Mar 14, 2011

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1 Answer

How do i change the oil pump on my 2006 Chevrolet trailblazer LT the engine is 5.3


Just because the message says low oil pressure, it does not have to mean that you actually do have low oil pressure. The sending unit could be defective, which could give you a false message. It is quite rare for an oil pump to fail. Check your oil level on your dipstick. If you are down a couple of quarts of oil, the oil pressure could be low.

Dec 01, 2015 | 2006 Chevrolet Trailblazer

1 Answer

Oil pressure low stop engine and check guage


Fist check oil level, the sensor is a pressure switch worked by oil pressure, hopefully the sensor has gone faulty. The oil pressure needs checking, if the oil pump or relief valve has gone faulty, the engine is being starved of lubrication and is causing internal damage. It is advisable NOT to run the engine till the pressure has been checked. (hope it's the sensor)

Jan 07, 2014 | 2002 Chevrolet TrailBlazer

1 Answer

Oil light trailblazer


Check oil pressure with a gauge. The sender is electronic and could be the issue. Also oil filter could have a bad check valve. Change the oil filter, oil and sender. If the problem is still there you have worn engine bearings and major issues are coming your way.

Dec 31, 2013 | Cars & Trucks

1 Answer

Low engin oil pressure and stop the engin indicatiing


when was the last time you changed the oil? Filter plugged and bypassing.

Nov 29, 2013 | 2003 Chevrolet Chevrolet TrailBlazer

1 Answer

Oil pan 2007 trailblazer


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
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How to Replace an Oil Pan Gasket?
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-oil-pan-gasket.html
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HOW TO REPLACE AN OIL PUMP
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-oil-pump.html
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HOW TO CHANGE ENGINE OIL AND FILTER
http://schematicsdiagram.blogspot.com/2011/07/how-to-change-engine-oil-and-filter.html
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HOW TO REPLACE AN OIL PRESSURE SWITCH (SENSOR)
http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-oil-pressure-switch.html
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How to Check Differential Oil Leaks and Replace Oil
http://schematicsdiagram.blogspot.com/2011/07/how-to-check-differential-oil-leaks-and.html
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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

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

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Oil pressure for car?

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

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How to replace Oil Pan on car?

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

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How to replace Oil Pressure Sensor on car?

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

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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

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Why car leaks oil from oil filter?

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

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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

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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

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Car oil sump removal diagram?

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

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This will help.

Thanks.


Feb 04, 2012 | 2007 Chevrolet Trailblazer 4.2

1 Answer

2002 Chevy Trailblazer LT Oil Pressure fluctuates.


Hello. Those oil pressure readings are completely normal for you vehicle. Actually, in a vehicle with that amount of miles, those readings are quite good. It's normal for the oil pressure to rise and fall with engine speed. Keep doing those regular oil changes and you should get many more miles out of that engine.

Feb 24, 2010 | 2002 Chevrolet TrailBlazer

3 Answers

I have a 2005 trailblazer. I got my oil changed


Could be either a gauge gone bad, or the sending unit. Unplug the oil sending unit with key on to see what the gauge does.

Nov 08, 2009 | 2005 Chevrolet TrailBlazer

1 Answer

2002 Trailblazer. My oil pressure low dsiplay came on after driving 40 miles, the engine shut down. The oil was changed 1000 miles ago, oil level is fine. What could this be?


could be a few things-(if oil pressure is showing low usually under 20 lbs recheck oil level) bad sensor,oil pump,low oil level ,sludge have truck scanned for trouble code some stores such as auto zone / advanced auto scan for free

Nov 04, 2009 | 2002 Chevrolet TrailBlazer

1 Answer

Oil pressure went slightly higher than 275 kpa


hi! there,well actually oil pressure that you get in your gauge seems to be that you need to change oil it was below to the standard oil pressure of engine,approximately 275 kpa is 39 psig
w/c is below to 90 psig,the important here is you to avoid/prevent knocking your engine and besides this very significant of sensoring
engine activities to prevent mor costly maintenace in your car.so sent your car to service car center to change oil specially also to change your oil filter.thank/s

Mar 13, 2009 | 2006 Chevrolet Trailblazer

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