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Old 07-09-2016, 04:47 PM   #1
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1991 25' Airstream 250
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Vacuum hose replacement TBI 89-92?

Hi chaps,

Can anyone point me in the direction of the best place to source those small vacumn lines (shown) which feed in and out of the Throttle Body/EGR valve etc?

They should be consistent for the 89-92 250/290/200/350 series, but I can't seem to easily find them. I am assuming they are all shaped hoses i.e. pre-made, not just off the shelf hose.

thanks!!

Nick
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Old 07-09-2016, 06:57 PM   #2
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Nick, due to the age of the motorhome I doubt those plastic tubes are available anymore.

You might considering buying some hard plastic tubing and using a heat gun to shape them to fit. Sorry but that's the only suggestion I can come up with!

Brad
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Old 07-10-2016, 05:30 AM   #3
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Okies, thanks Brad


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Old 07-10-2016, 07:23 AM   #4
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Brad is correct, The plastic tubing is still available from Napa and other parts stores, however you would need a heat gun to make the proper bends and you would still need regular vacuum line for the termination points, If you really want to stay original you could possibly get the OE part numbers and Goggle them, on second thought I would try places like GM parts direct or Rock Auto. Regards, Bob
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Old 07-10-2016, 08:42 AM   #5
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Thanks guys, I'll continue hunting around for the OEM parts numbers. They must be in one of the Chevy repair, service or parts manuals, but I am yet to find them! I shall post the relevant details should I manage to find them.
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