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Spark plug removal on a 2005 chevy trailblazer

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He tools needed are a straight blade screwdriver, 5/8 Spark Plug socket, 10mm and 13mm sockets, extensions and ratchet, anti-seize and new plugs.

The first step is to remove the Air Resonator and intake tube. There are two hose clamps, one on each side of the resonator that you remove. There are held on with clamps that use a straight blade screw driver. Once the hose clamps are removed you need to pull the hose off the resonator that goes to the air filter. Next there are two 13mm bolts on the passenger side that hold the resonator to the valve cover. Remove these. Next lift up the resonator from the passenger side and then pull the resonator off the throttle body. Store this, the clamps and bolts for reassembly.

Now you will have ready access to the coil packs and plugs. Each coil pack is held on with a 10mm bolt.Unscrew the 10mm bolt from the coil pack. Once the pack is loose I pull it up and set it to the side.

There is enough wiring that you can easily do this. Next use a 5/8 spark plug wrench and remove the plug. Use care that nothing falls into the spark plug hole.

Posted on Aug 26, 2010

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bunnydawg
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SOURCE: location of spark plugs

carmen.... locate the coil pack.... it has 6 wires going into the top of it. follow each of the six wires from there... they end at the spark plugs. if that motor is mounted sideways... which i doubt as i believe that is a rear wheel drive truck it should be pretty straight forward.

Robert

Posted on Sep 26, 2008

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SOURCE: replace engine coolant sensor in '04 Trailblazer

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c152800a1187

Posted on Dec 04, 2008

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SOURCE: change spark plugs

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

Posted on Feb 19, 2009

  • 62 Answers

SOURCE: where are the spark plugs on my 2003 chevy

on the both sides of the engine they probably have coils sitting on top of them instead of plug wires

Posted on May 16, 2009

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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

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