Question about 2003 Chevrolet TrailBlazer
Guessing you have the 4.2 liter engine and are trying to figure out how to "release" the oil pan from the engine block as it is on there even though all the oil pan bolts holding on the transmission bellhousing (4 of them) are out and you have everything out of your way like the compressor and differential etc. Take the 2 bolts that were holding the oil pan to the engine block. There are 2 "jack screws" on the oil pan. Take those 2 bolts and put them in the "jack screws and tighten the evenly in to remove/loosen the oil pan. Hope this is what you were talking about as this is kind of a tricky one if you haven't done one before.
Posted on Nov 03, 2012
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Posted on Jan 02, 2017
If you have bearing problems MAP sensor codes are the least of your worries. Check on the cost of getting a new engine. I hope this is not the problem. Good luck Moe
Posted on Apr 24, 2009
I just replaced the low-beam bulb on my 2003 Chevy Trailblazer. The grill just needs to be loosed slightly. Then, raise two L shaped brackets, one on each side. For the inside one, I needed to use a flathead screwdriver to get to it. The light assembly can then be pulled out. Remove the rubber cover and rotate the bulb one quarter turn left to release it. Pull out the bulb, replace with a new one ($11.50) from Advance Auto Parts, and reverse the process. Once I figured it out, took about 10 minutes total.
Posted on Nov 06, 2009
this is an exploded view of the diff assembly. i'm not sure if it'll help you or not. good luck!
Posted on Feb 17, 2010
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