Question about 2003 Chevrolet TrailBlazer
How to change oil pressure switch for a 03 trailblazer v8. having a hard time getting to it
If ur not really comfortable do it-havit done--ther r manuals in a partsplace that show shortcutz--library too has mechanic books--if u guttagit unda the vehicle make sure u use jackstands cause jack alone can move n fall
Posted on Oct 12, 2013
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Posted on Jan 02, 2017
On most GM V6/V8 engines the oil sending unit is on top of the engine near the firewall possibly under/behind the distributor. Look at the extreme rear of the intake manifold. On some others it is mounted near the oil filter. If you have a light it will just be a single wire. If you have a true gauge it may have a very small hose/line connected to it.
Posted on Feb 09, 2009
It sure sounds like the oil sending unit is at fault,now sometimes,not always,the oil sending unit will seep oil or leak oil if they go bad,but like I said,not always,change the unit,and the oil and filter just for precaution.
Posted on Apr 21, 2010
The oil sending unit is located on the engine block behind the drivers cylinder head area.You have to climb up on the motor to see it cause it is hard to see behind the wiring harness.You may also want to purchase a new sending unit because it is very long and you might need to buy the sending unit socket to replace it.Hope this helps.Good luck.
Posted on Jul 20, 2010
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