09-02-2024, 11:47 AM | #1 |
Registered User
Join Date: Mar 2002
Location: Fairdale, Kentucky
Posts: 50
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`99 S10 Blazer noise
Not sure if this is the right area for this question. I have a `99 S10 Blazer with the 4.3 V6. There is a noise like a howling vacuum cleaner coming from the hose that runs from the manifold to the brake booster. I`m wondering if there is some kind of valve in that fitting or just what I will find when I pull this apart. Anyone ever experience this problem ? Thanks
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09-03-2024, 09:41 AM | #2 |
Registered User
Join Date: Mar 2022
Location: Surrey BC
Posts: 916
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Re: `99 S10 Blazer noise
sounds like a vacuum leak, hose or fitting is loose, cracked badly
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09-06-2024, 02:49 PM | #3 |
Post Whore
Join Date: Feb 2016
Location: Portland Oregon
Posts: 11,362
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Re: `99 S10 Blazer noise
I'd say the same. My 91 had a hose develop a hole on the underside that made a similar noise. The hose looked good from above but until I ran my fingers down the hose with the engine running I didn't know what the issue was. The hose simply had a 1/4 inch spot that rotted away.
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Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help. RIP Bob Parks. 1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo If it breaks I didn't want it in the first place The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377 |
09-07-2024, 05:13 PM | #4 |
Registered User
Join Date: Mar 2002
Location: Fairdale, Kentucky
Posts: 50
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Re: `99 S10 Blazer noise
Thanks guys. I`m going to check it out again tomorrow.
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