Funny squeely sound
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Senior User
Joined: Jul 2003
Posts: 218
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From: Spokane, WA
Funny squeely sound
My '62 292 4-speed has developed a fan belt kind of noise comming from the rear of the engine. It's affected by engine revs (speeds up/slows down), warm or cold as well. I put a bar along the distributer and cap, as well as various other areas and oil pump too, with the other end in my ear. Other than tapping, knocking, whirrling sounds, I can't locate the wacky squeelie noise. I know it isn't the fan belt. Any suggestions? Thanks!
Postmaster
Joined: Dec 1999
Posts: 2,813
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From: Connecticut
Put a broom stick handle on the bellhousing and listen. Does it go away if you push the clutch pedal down? If so , it's the Throw out bearing. Is there a inspection cover on the bottom of the bellhousing? If so, remove and listen with it running and you underneath. Make sure you block the tires and use the emerg brake( don't need any squished member's here! ) if you don't want to crawl under with it running, use the broom handle and touch the lower area of the bellhousing and have someone push the pedal down and up while you listen. You could also have a bad front bearing on the tranny. An outside possiblity the pilot bearing needs grease.
Postmaster
Joined: Nov 2000
Posts: 2,557
Likes: 2
From: Texas
Don't overlook that belt! I replaced clutch, pressure plate, pilot bearing, and throwout bearing in my truck before finding the stupid belt on the alternator. I still swear I heard the noise from under the truck being louder near the bellhousing and not the front. Expensive lesson.
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Senior User
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From: Spokane, WA
I'll give all your suggestions a try tomorrow - too late tonight; the inspection cover is missing, and I should've mentioned I pushed in the clutch pedal in and out with no difference. Now that you mention it, I had an experience with my Bronco II's pilot bearing squeeling after replacing the clutch a few years ago'n, gawd, what an awuful experience that turned out to be. Full detailed report tomorrow - thanks!!!
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Senior User
Joined: Jul 2003
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From: Spokane, WA
Ok, after sticking my ear against a rod in all sorts of various places, I really can't find anywhere that stupid noise is coming from. Checked fan belt again too. I hear some really unlikable sounds though. I've already come to the conclusion an engine swap is gonna happen anyway. Before I started crawling around the ground, I spotted a '61 for sale for 2,500. Wouldn'tcha know, it's already been turned into a 302/5speed, with all the hard stuff done - frame off and just needs finishing. Owner has back problems and can't finish his project with nearly 7 grand into it! How come forsight can't be 20/20 too??? I'll just keep plugging on - thanks!
Postmaster
Joined: Dec 1999
Posts: 2,813
Likes: 6
From: Connecticut
Take the belt off and start the truck. Run it for a few seconds and see if it's still there. If not, the noise is in front, possibly a belt. If still there, I'd say it's in the rear area. A bad bearing on a generator can do the same thing. Waterpumps can do this also before they spring a leak. Just some sugesstions.
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Senior User
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From: Spokane, WA
Yeah, those are good ideas. PO installed an alternator with a homemade bracket, that could be a possibility. Seems like I'd hear the squeel in there, but I'll give'r a try - thanks - everything helps!
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Thread Starter
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Senior User
Joined: Jul 2003
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From: Spokane, WA
Yesterday I removed the fan belt, which was an adventure in itself, and wouldn'tcha know it - the noise is still there. I'm starting to get that sinking feeling that the pilot bearing may be the problem - or that forward bearing. Oh well. Thanks again!
Postmaster
Joined: Dec 1999
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From: Connecticut
Let us know what you find. If it's the pilot bushing, it's probably a bronze bushing, not a bearing. They do wear and can cause the front bearing in tranny to go bad if the bushing is worn. You can replace it with a actual bearing . make sure when you put the tranny back in that you put some grease on the end of the imput shaft. Not too much otherwise it will get on the flywheel and cause slippage.
Barry
Barry
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Joined: May 2002
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From: Boise USA
Before pulling the tranny, check the pilot bearing once more. If it is the bearing (or bushing), the noise will be present when the clutch pedal is pushed in and gone when the clutch is engaged. When the clutch is engaged, the crank and input shaft turn at the same rate so there should be no bearing movement and therefore no noise. I know this sounds over simple but just thought you should give it another listen.