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Safari/Astro Noises, Rattles, and Squeaks

12 messages,  Last post on May 13, 2008 at 10:30 AM

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#9 of 12 Loud whistle/scream noise by wildrescue May 13, 2008 (10:30 am)
#10 of 12 Loud whistle/scream noise by wildrescue May 05, 2008 (7:12 pm)
I have a 1993 GMC Safari with 216000 miles but she runs strong. Today she started with an ear piercing whistle. We took off the serpentine belt to eliminate all front engine componants. We also checked all vacuume lines we could find. We then removed one injector at a time. The whistle is still there. Sometimes with engine fluxuation there is change in pitch of scream/whistle and every once in a while it stops all together but returns soon. Any idea's of where to turn to next? It is very loud and I am concerned that it will strand me some place. Has anyone had this? All help welcomed Replies to this message: jane7042 (May 12, 2008 9:43 pm) wildrescue (May 13, 2008 10:30 am)
#11 of 12 Re: Loud whistle/scream noise [wildrescue] by jane7042 May 12, 2008 (9:43 pm)
Replying to: wildrescue (May 05, 2008 7:12 pm) I have the same problem. I have a 2002 AWD Safari with 65000 miles on it. Previously owned a AWD Astro. On the Safari I have a very sharp whistle coming from the drivers side starting at about 35 mph. I also had it on the Astro but it just went away. However on the Safari it persist. When I open the window it is louder. I moved the mirror housing in and it quit, put it back and it started again. I then put my hand over the gaps in the housing and it stopped. I then put some black duct tape over the gaps on the back side of the mirror housing to stop the wind from going in and causing the whistle. Now it is not as loud but still persist and I can not find out where it is coming from. It does not do it consistently but has a very high pitch and is very irritating. It seems to happen more when I am driving into a head wind. Can anyone help. Replies to this message: wildrescue (May 13, 2008 10:30 am)
#12 of 12 Re: Loud whistle/scream noise [jane7042] by wildrescue May 13, 2008 (10:30 am)
Replying to: jane7042 (May 12, 2008 9:43 pm) The whistle/scream happens even when the van is parked. It seems to go away when the engine is under power. When I step on the gas it goes away, but when I take my foot off the gas it returns. Still have no idea what this is. It isn't the wind because if it was it wouldn't do it sitting in the garage just running. No performance problems, it is running great just sound annoying. When the dog house is off the noise is deafening so as long as the radio can be turned up and up I guess until I find it we will be ok. Still if anyone has any other idea's that would be great. Thanks

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