90 Bonneville Vacuum System - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 08-18-2005, 05:29 AM   #1
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Default 90 Bonneville Vacuum System

All of the rubber hoses in my vaccuum system were dry rotted all the way through, I replaced them tonight and right away I noticed my transmission shifting better and just riding better in general. It costed me $1.50 in hose and a box cutter to cut it up.
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Old 08-18-2005, 06:26 AM   #2
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Imagine that. A little bit of maintenance can make a huge difference. Good deal, glad to hear your vacum lines are once again intact.
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Old 08-19-2005, 02:36 AM   #3
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Yeah did the same on mine about 3 weeks goes my car now get 28 mpg on highway. ANd of courses sound real nice. 28 is diffenetly has to be descent mpg on 3800 series 1
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Old 08-19-2005, 03:51 AM   #4
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I've squeaked 31.5 out of mine once, and 29 a few times also. Usually a bit less though. 27-28 on most highway trips.
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Old 08-21-2005, 01:29 AM   #5
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just noitce another mi bonnieville club member diffenetly have to have gr meet
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Old 08-21-2005, 05:20 AM   #6
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i'm from michigan here too - greets!
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