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Tim's Auto Repair
Tim's Auto Repair, mechanic
Category: Chevy
Satisfied Customers: 15880
Experience:  Have owned a repair shop for 25 yrs.
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what does the egr valve look loke on a 2003 chevy trailblazer

Customer Question

what does the egr valve look loke on a 2003 chevy trailblazer
Submitted: 7 years ago.
Category: Chevy
Expert:  Tim's Auto Repair replied 7 years ago.


this may help you


Service and Repair


IMPORTANT: Note the orientation of the EGR valve at the BASE before removing. Do not use the electrical connector as an indication of valve orientation. It is possible to install this EGR valve backwards. An EGR valve installed backwards may cause a rough idle and set DTCs.


  1. Disconnect the EGR valve electrical connector.



  1. Remove the EGR valve retaining bolts.



  1. Remove the EGR valve and gasket.



  1. Clean any remaining gasket material from the EGR mounting surface. IMPORTANT: Ensure the EGR valve is oriented in the proper direction.
  2. Place the EGR gasket between the EGR valve and the intake manifold EGR mounting location. NOTE: Refer to Fastener Notice in Service Precautions.



  1. Insert the retaining bolts through the EGR valve and gasket into the mounting holes. Tighten First tighten the bolts to 10 N.m (89 lb in) , then tighten the bolts to 25 N.m (18 lb ft) .



  1. Connect the EGR valve harness connector.
EGR Valve
icon_note_blank.gif Locations View
icon_note_blank.gif Locations View
Customer: replied 7 years ago.
what all should i have to remove to get to it?
Expert:  Tim's Auto Repair replied 7 years ago.

if you have the4.3 shold be able to just take out two bolts and remove it..look at the pictures above