Ford 3600 chirping noise

Chaz7795 · Apr 4, 2020

I have a Ford 3600 diesel. After pulling a tillage tool for about three hours today I got out the trailer to load some fire wood and while backing the trailer up to a shed I noticed a chirping noise coming from the front of the engine. It is not the water pump or the alternator because I took off the belt and it still chirped. I have held or pushed on every piece of sheet metal and it did not make a difference the chirp was still there. When I crank the tractor warm sometime it takes a few seconds for it to start chirping. Most of the time when you throttle down below 800 rpms it stops chirping. I have a video if someone can tell me how to post it. It is louder on left hand side of engine. The only other thing I think of is a rocker arm but it sounds like it is coming from down low. Any help would be greatly appreciated.

Bern · Apr 4, 2020

Without hearing it myself, I'm going to say rod bearing. If true, you'd better stop running it. Pull an oil sample to confirm.

Chaz7795 · Apr 4, 2020

I don t understand it but I got it stopped. My Dad stopped by who is a lot more def than I and we put a little oil behind the crank pulley and in front of the seal, and it stopped. Just ran it for 30 mins. To confirm. It wouldn t be a rod bearing in this case because I just had crank thrust welded up and ground .010" under last May and put new rods and mains in because of a worn thrust. The guy who owned it before me ran it up on a stump or something and bent the small clutch linkage rod. I just straitened it and used the tractor. One day while watching the engine coast to a stop I noticed crank pulley walking in and out. I thought oh crap, anyway he had been riding it around for a long time just as though the pedal were slightly pushed in. This tractor only had 1500 hours on it when I bought it. The cam and cylinder walls look like new. I hated to have the crank welded on, but it was done by a reputable shop that works on diesels. The cranks in these little ford diesels make a V8 crank look like a bent wire.

Chaz7795 · Apr 4, 2020

Oh yeah after I rebuilt the bottom end I screwed a little oil pressure gauge into the oil galley so I could keep an eye on it, and it s got good oil pressure. Only thing I can figure is that the little white plastic seal that sets in front of the main oil seal, along with the very dusty conditions today had something to do with it.Sorry for the long winded ramble and thanks for the reply.

Ford 3600 chirping noise

Chaz7795

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Bern

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Chaz7795

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Chaz7795

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