31Buick80 Posted October 9, 2023 Share Posted October 9, 2023 After my step-son acquired his long sought after 1985 Buick Riveria and got it home, it is clear that all the smog tubes have deteriorated and/or are brittle and in need of replacement. Several have come loose and detached from their original component, (EGR valve, solenoid, & beyond) and I am searching for a good source (pictures, drawings, diagrams, or specifications) that describes where they all go and which components connect to the next in line, etc. Can someone recommend a good place to look, or have details they are willing to share? The original label on top of the radiator is still there but it does not give enough detail to rework all the tubes/hoses. Thanks in advance. Link to comment Share on other sites More sharing options...
SpecialEducation Posted October 10, 2023 Share Posted October 10, 2023 I would look for a factory service manual on eBay. 2 Link to comment Share on other sites More sharing options...
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