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1995 Lego awd auto... Makes "chirple" noise when shifting...
Posted 11 July 2013 - 07:44 PM
I called it a chirple in the title.... if you'd like to try and make the noise and you are reading this in an area where no one will hear you and think you're a mental case...... then do this: purse your lips an blow out so your lips flutter and you make a sort of fart noise (with your lips... not your farter) .... you've got to keep your lips really loose...... now, if you whistle at the same time you do that.... you would get a chirple sound. That's not exactly like the sound, but close. I would try and record it, but honestly, when I tried to make it happen, I couldn't make it replicate.
Any ideas on this? The car has 145,000 miles, 2.2L, auto, AWD. It's going to be doing some long distance runs soon.... 1,000 to 1,2000 miles.... as our son heads for grad school in New Hampshire. I'd like to know that there are no major problems.
Posted 12 July 2013 - 01:24 AM
This is a fairly unorthodox way to replictate it, but it works if the sound is coming from the muffler.
Unplug one of the fuel injectors. Doesn't really matter which, but the easiest to get to is number 1.
Start it and drive it up the road and see if that makes it make the sound. It should do it pretty much non-stop. If it doesn't change anything, plug the injector back in and clear the CEL by unhooking the battery - for a few minutes.
Posted 12 July 2013 - 04:54 AM
Posted 12 July 2013 - 06:47 AM
has the engine or trans ever been out or any major work done?
very odd that it's only while shifting, that's interesting. air pressure changes due to shifting pushing out somewhere sounds plausible...the muffler like he said, not sure if it could happen at the intake, vacuum lines, or not too?
fluid levels are good I assume? A Subaru auto trans low on ATF will make chirping noises so i'd assume one partially low could chirp only under load/acceleration?
there's a plate underneath the transmission bellhousing. when they are loose or bent...or both...the torque converter will graze the plate only at high RPM's/acceleration. i wouldn't anticipate it only happening on a shift though.
Posted 12 July 2013 - 12:46 PM
As far as I know, the tranny has never been out. I assume my son has been checking the fluid... but I'll double check.... didn't realize it would make a chirp noise. What ever happened with our wrecked "Chuck"?
Posted 12 July 2013 - 12:57 PM
chuck went to a WVU student who now lives in colorado.
any inclination on it being:
front/center/back of vehicle?
does it sound like it could be the starter being cranked while the engine is running? but maybe the starter is a little loose, sloppy, not retracting fully or moving under acceleration..then gets forced back after contact? that's a random guess.
starts fine with no noise?
Posted 12 July 2013 - 07:18 PM
Glad to hear Chuck found a good home.... Hope you made out ok on it!
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