Chevy 2001 4.3 blazer hose melt

roy33
Posts: 2
Joined: Tue Dec 27, 2016 12:46 pm

Chevy 2001 4.3 blazer hose melt

Unread post by roy33 » Tue Dec 27, 2016 12:58 pm

I own a 2001 Chevy blazer, 4.3 liter engine. The diagram I will attach will show the failure part but none seem available. I'm sure you have seen this before. Now the wiring harness has melted half way thru. Thanks for any suggestion on how to fix this.
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carriedi
Posts: 2573
Joined: Wed Apr 10, 2013 12:42 pm

Re: Chevy 2001 4.3 blazer hose melt

Unread post by carriedi » Tue Dec 27, 2016 11:57 pm

first thing is to replace the part numbered #9 in your diagram. that should be a one way check valve. When that valve goes bad it allows hot exhaust gases back into the rubber tube and that's why the rubber parts gets burned up over time.

because the parts are over 15 years now, it could be problematic to find the exact parts you need. Check with ACdelco online cataloging to see if you can find the correct parts you need. You may not be able to buy the parts that you need individually. It may come on a set of parts.
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Re: Chevy 2001 4.3 blazer hose melt

Unread post by Guest » Wed Dec 28, 2016 3:36 pm

Thanks for the answer. Ordered the part today.

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