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need repair book or repair diagram of fuel/air system
Sent to Car Experts April 29 06:16 PM

no one wants to fix the "tampers" (Disconnected Vacuume lines, pcv sys, & fuel evaporation control sys) on my propane step-van, 1 ton so i want 2 fix it myself. it's a chevy 1981 & i need the manual so i know which PART to ask for at the store.

Customer (name blocked for privacy)
Status:  Closed   Value: $5
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April 30 10:33 AM (16 hours and 17 minutes and 22 seconds later)
         
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Edited by diablo666 on April 30 2005 at 10:36 AM
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Davo -- Master technician -- 99% Positive Feedback on 1931 Car Accepts
ASE Master Technician/Advanced Automotive Diagnostic Technician
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April 30 10:37 AM (3 minutes and 52 seconds later)
         
 Images available only to Customers.

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Davo -- Master technician -- 99% Positive Feedback on 1931 Car Accepts
ASE Master Technician/Advanced Automotive Diagnostic Technician
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April 30 10:42 AM (5 minutes and 39 seconds later)
         
 I have made these 2 diagrams free to see if they are what you need.If they represent the engine components in the van let me know.I will tell you what the parts are called as needed to try to get it where it needs to be.A step van can be a whole different animal as far as emission controls go.Is it failing the CA emission test?
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Davo -- Master technician -- 99% Positive Feedback on 1931 Car Accepts
ASE Master Technician/Advanced Automotive Diagnostic Technician
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May 2 1:56 PM (2 days and 3 hours later)
         
You're not kidding when you say "whole different animal"!!! i've gotten so many refusals to work on it that it's blowing my mind!!! So I really appreciate your help. I will take a look at it this week when I get a chance. I'll compare to see if it matches. ....& no it didn't fail smog since it runs on propane(i'll double check to be sure). It was the visual inspection part. They saw the disconnected parts & I beleive that's what made it fail. People mess with 02 system to get better performance & since they tampered with the emissions system the disconnections are called "tampers". (i'm learning this stuff as i go!) I don't know why they were disconnected though....I inherited this vehicle from my father. uggggh! what a pain!
Customer (name blocked for privacy)
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May 2 5:12 PM (3 hours and 15 minutes and 36 seconds later)
         
 Thats what I meant if it was failing emissions because of diconnected controls.I wish you luck finding emission parts for something that old.
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Davo -- Master technician -- 99% Positive Feedback on 1931 Car Accepts
ASE Master Technician/Advanced Automotive Diagnostic Technician
Reply
May 10 11:45 AM (7 days and 18 hours later)
         
Dear Davo,

Hi! Thank you for your responses. I have not had a chance to look underneath my step-van yet. I will use the diagrams that you sent & I did find out that the only reason that it failed was because of the missing/disconnected parts. In any case I'm sure it wil help. Thanks again.
Customer (name blocked for privacy)
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