Question about 2005 Chevrolet TrailBlazer

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I NEED AN UNDER THE HOOD DIAGRAM FOR A 2005 CHEVY TRAILBLAZER. NEED TO KNOW WHERE THE SPARK PLUGS ARE LOCATED.

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6 Suggested Answers

  • 541 Answers

SOURCE: where is the horn located under the hood of my 2008 chevy truck?

Have a friend, (or in-law) someone you're not too fond of, stand in front of the truck while you honk the horn and have them pinpoint it for you.

Posted on Dec 29, 2008

  • 107 Answers

SOURCE: change spark plugs

remove coil on plug and change like you would on any other engine

Posted on Feb 19, 2009

  • 1 Answer

SOURCE: location of spark plugs in 2005 dodge dakota

To change the sparks on a 2005 4.7L Dodge Dakota you will need the following:

  • Spark plug socket
  • Ratchet
  • Torque wrench
  • Extension
  • Flat-tip screwdriver
  • Make sure the truck is cold!!!

Note you will have to remove the air intake located at the top of the engine, and will have to move some of the coolant lines out of the way.

At the top of the engine there are 4 sparks on each side. The coils are held in place with a 10mm bolt. Undo the 10mm bolt and unclip the coil. Next pull out the coil.

Insert the socket, with extension into the spark plug hole.

Remove spark plug.

Check the gap on new spark plug, it should match stock.

tighten to approximately 25ft.lbs. (check spark-plug packaging for exact torque requirements).

repeat this process with all other sparks.

be sure that no dirt gets into the spark plug holes.



Posted on May 11, 2009

  • 73 Answers

SOURCE: how to replace spark plugs on 2005 chevy silverado

spark plug wrench and alot of patients with the very back ones hard to get to

Posted on Oct 02, 2009

michigan man
  • 3533 Answers

SOURCE: How to change spark plugs of Chevy cavalier 2002

for the most part they are in between the fuel injector the best thing for you to do is stop by your local GM dealership in the part department and they be able to print you off the pictures and diagrams you need if all fails stop by your local library and get your hands on a Haynes auto repair manual for your car Merry Christmas and Happy New Year as always wish you the best of luck Michigan Man.

Posted on Dec 21, 2009

Testimonial: "great thanks for the info. bobbotg2005"

clifford224
  • 1975 Answers

SOURCE: where is the thermostat located on my 2005 chevy

You didn't mention what size engine you had. I am going to go with the most common engine and that would be the 4.2 liter engine. If this is your engine then the location of the thermostat is in the housing that the lower radiator hose connects to the engine. Just follow the lower hose and you will find the housing. Now you can't just buy a thermostat for it. The thing comes as a whole assembly housing and all and you can find it at your local auto parts store for about 25 dollars. Below is a picture of its location for you. The bottom bolt is not a problem to get off. The top one is another story and you have to get at it with a wrench and turn it a little at a time because you don't have much room to turn it. A little pointer is to do the top one first. trust me on this. Also when putting the O-ring which is the gasket for it you will need to use a VERY little bit of RTV to help hold it in place on the new housing when installing because it will fall out. remember to only use a little bit, just enough to hold it in place. If you use to much RTV it will leak. I hope this helps and is the engine you have and good luck.


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Posted on Jul 26, 2011

Testimonial: "this was a great response from the expert -- telling me and showing me the diagram made it alot easier -- thank-you"

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Is there any where on the internet that show a picture of under the hood. Where the coil and spark plugs is located?


Chevrolet TrailBlazer 5.3 liter V-8 VIN "P"

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Chevrolet TrailBlazer 4.2 liter L6 DOHC VIN "S"

The cylinders are numbered from front to back, 1 2 3 4 5 and 6.
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Hope this helps (remember to rate and commet this answer).

May 10, 2011 | 2005 Chevrolet TrailBlazer

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I need to know what tools i need to change the spark plugs in my 2005 chevy trailblazer ext Lt 5.3liter


Thanks for choosing FixYa and welcome to the site. In order to change your spark plugs, you will need a spark plug socket with an extension. You need the extension because the plugs are deep. Thanks for using FixYa. If you have any questions, feel free to ask.

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Where are the spark plugs on a 2005 Chevrolet Trailblazer?


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Dec 12, 2010 | 2005 Chevrolet TrailBlazer

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Nov 29, 2010 | 2003 Chevrolet Trailblazer Ext

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I am looking for a diagram of the 2005 4200 vortec engine to change the spark plugs... Exploded view if possible


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Apr 11, 2010 | 2005 Chevrolet TrailBlazer

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M y radio stopped working on my 2004 trail blazer


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Good luck and hope this helps.

May 26, 2009 | 2004 Chevrolet TrailBlazer

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2005 cavalier - where are the spark plugs located?


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Mar 15, 2009 | 2005 Chevrolet Cavalier

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