Question about 2002 Chevrolet TrailBlazer

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Valve cover issues

This trailblazer is an 02 with the inline 6 i can't figure out how to remove the valve cover to replace the gasket due to the throttle body and plenim bieng over top of the valve cover on the driver side how do i remove that piece i can't see any bolts from the top

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  • rcbonner Apr 21, 2009

    oil leak from the valve cover on a chevy trailblazer inline 6. Need info on the best way to replace the gasket.

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So how do you remove the plastic cover over the plenium?

Posted on Jun 15, 2009

  • Kim Martinez Sep 24, 2013

    remove the hose that is located in the middle of the plastic cover and you will see the bolt.

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Trailvoy.com for trailblazer owners found them to be very helpful. They have pics and videos.

Posted on Jun 08, 2014

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ALL DATA Labor requires 1.7 hr. to R&R valve cover .the upper plenium along with the throttle body must be removed to gain access to v/c cover. there is a plate over the spark plugs that comes off. then you can get to the v/c bolts. be carefull with the plenium gasket/seal so you re-use it. make sure there is no brackets attached to side of valve cover when ready to raise off of head. you may have to use a rubber mallet and gently tap on side of cover. good luck! RON.

Posted on Jan 18, 2009

  • Joe V
    Joe V Oct 14, 2013

    does anyone havepctures or video on how to replace the valve gaskets on a trailblazer NF 5.3L? your help would be very appreciated.

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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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http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-oil-pan-gasket.html
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http://howtobyme.blogspot.com/2011/11/oil-pan-gasket-on-1998-toyota-tercel.html

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

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

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

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

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http://schematicsdiagram.blogspot.com/2011/12/car-oil-leak.html

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http://schematicsdiagram.blogspot.com/2011/12/car-oil-leaks-from-valve-cover-gasket.html

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http://schematicsdiagram.blogspot.com/2011/12/oil-light-blinks-on-dashboard.html

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http://repairhelpcenter.blogspot.com/2012/01/oil-pressure-issuers-on-toyota-tundra.html

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http://technoanswers.blogspot.com/2012/01/oil-leaks-from-air-filter-on-ford.html

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http://technoanswers.blogspot.in/2012/02/wire-running-from-oil-pan-to-alternator.html

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

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http://schematicsdiagram.blogspot.in/2012/02/2008-scion-xb-24l-engine-is-consuming.html

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http://schematicsdiagram.blogspot.in/2012/02/maint-reqd-message-on-2008-lexus-rx350.html

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http://repairhelpcenter.blogspot.in/2012/03/remove-volkswagen-sump-oil-pan.html

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This will help.

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1 Answer

I have a 2002 Chevy Trailblazer and need to know how to go about replaceing the valve cover gasket.The engine is the inline 6.


intake must be removed on these 4.2L I6 to access the RH side valve cover bolts. Hopefully this helps

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1 Answer

1983 AMC Concord gasket


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