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06-27-2018, 05:17 AM | #21 |
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Join Date: Feb 2014
Location: SW PA
Posts: 87
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Re: chirp, chirp, chirp - Update
I just had that problem. Sounded like chipmunks in a cage. Only heard it when there was high vacuum, like at idle. It was a vacuum leak between the carb and manifold. I removed the Tillotson carb and checked the flange flatness with a straight edge. It showed about .040" gap. With the carb in a vise, I used a file to face off the flange. Then checked the manifold for flatness and it was ok. New gasket and sealer and back on the road.
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06-27-2018, 12:31 PM | #22 |
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Join Date: Sep 2012
Location: CA
Posts: 206
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Re: chirp, chirp, chirp - Update
My first "chirp" when I was a kid driving my A daily in the 60's turned out to be a head gasket. The car wasn't missing or exhibiting any obvious problem other than the noise. I finally pulled the head at my dad's suggestion and discovered a tiny blow out on the back end of the head. I have also had the fan belt chirp as well. I just spray it with silicone and that ends it.
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06-27-2018, 06:31 PM | #23 |
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Join Date: May 2010
Location: Alabama
Posts: 8,099
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Re: chirp, chirp, chirp - Update
I had a chirping sound that sounded like a chirping , slipping fan belt . It turned out to be the seals in the rear water pump bushing . I use the rear bushing that uses two seals in the water pumps that I rebuild for our model A's. I don't use antifreeze in warm weather because it increases cooling system temperatures . I was running water as a summer coolant .I added a small bottle of water pump lubricant , soluble oil , to the radiator and the chirp went away. Soluble oil also prevents rust in the cooling system . Works for me in all of our model A's .
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06-28-2018, 11:56 AM | #24 |
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Join Date: Dec 2011
Location: SW Idaho
Posts: 970
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Re: chirp, chirp, chirp - Update
Water spray on the edges of the belt should tell you if the belt or pulley area is the culprit.If so, look at the generator pulley. Some are cast iron and some are riveted together sheet metal. The riveted pulleys get bent sometimes so that the "v" on the pulley is pinched together and forces the belt up as the belt passes over the pulley creating a chirp sound. Also, the rivets can get loose letting the 2 halves move.
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06-28-2018, 12:07 PM | #25 |
Senior Member
Join Date: Dec 2011
Location: SW Idaho
Posts: 970
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Re: chirp, chirp, chirp - Update
I hate it when that happens. Read right over the " It's fixed" Can't have too much good answers.
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06-29-2018, 09:47 AM | #26 |
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Join Date: Sep 2012
Location: Muscatine, IA
Posts: 223
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Re: chirp, chirp, chirp - Update
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07-01-2018, 11:15 AM | #27 |
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Join Date: May 2010
Location: wheeling west virginia
Posts: 231
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Re: chirp, chirp, chirp - Update
OL JENNY. Thanks for the post..I Think you just answered my problem!!
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07-26-2018, 09:02 AM | #28 |
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Join Date: May 2010
Location: Shrewsbury,Pa
Posts: 513
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Re: chirp, chirp, chirp - Update
Old Jenny, I am trying to remove my front motor mount to replace the leather washer and springs to improve the lineup of the crank pulley to the radiator hole. I followed Les Andrews instructions but it seems he neglected to mention the crank pulley needed to be removed. Was this your experience too, or should I raise the motor more than a 'little bit" to get the mount out from under the pulley? Did you have to loosen the rear mounts? Bill G
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07-26-2018, 09:13 AM | #29 |
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Join Date: May 2010
Posts: 2,599
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Re: chirp, chirp, chirp - Update
Bill B,
Some say to remove only 1 bolt on each side. My experience is that it is safer to remove all four and only go as high as needed. You do not want to break a flywheel housing. |
07-26-2018, 09:17 AM | #30 |
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Join Date: Oct 2017
Posts: 128
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Re: chirp, chirp, chirp - Update
and away we go with a 2 yr old resolved thread morphed into a motor mount issue LOL
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07-26-2018, 09:40 AM | #31 |
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Join Date: Sep 2012
Location: Muscatine, IA
Posts: 223
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Re: chirp, chirp, chirp - Update
Yes Bill I did loosen the rear mounts when I originally changed my front motor mount. It was after having everything clean and painted (and unfortunately dry) that I had the chirp. I had removed the crank pully because I installed the matched set of gears. My chirp has not returned since I have lubricated the plate under the front motor mount.
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07-26-2018, 10:18 AM | #32 | |
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Re: chirp, chirp, chirp - Update
Quote:
They say you always remember your "first chirp"! David Serrano |
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07-26-2018, 10:30 AM | #33 |
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Join Date: Dec 2010
Location: FRESNO, CA
Posts: 12,560
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Re: chirp, chirp, chirp - Update
Can't help you, still have a CHIRP-CHIRP-CHIRP, in my Left Ear, that I brought home from a RE-HAB. Once I brought home a "floater", in my Left Eye, still there!
Bill Pathetic
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07-26-2018, 05:31 PM | #34 |
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Join Date: Apr 2015
Location: NH
Posts: 182
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Re: chirp, chirp, chirp - Update
Ditto on the dry distributor shaft.
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07-26-2018, 07:04 PM | #35 |
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Join Date: May 2010
Location: Southbridge, Ma.
Posts: 1,614
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Re: chirp, chirp, chirp - Update
Sounds like it could be the spring plunger at the end of the camshaft. remove the front cover and clean out the oil hole in the casting, clean and oil the spring plunger and it should be ok.
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07-27-2018, 04:15 AM | #36 |
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Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
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Re: chirp, chirp, chirp - Update
That's exactly what I found on an engine I started for a customer. The guy who rebuilt the engine must have put the plunger and spring together dry. It took several short runs before the squeak went away. Every moving part needs lubrication.
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07-27-2018, 07:41 AM | #37 |
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Join Date: Dec 2010
Location: FRESNO, CA
Posts: 12,560
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Re: chirp, chirp, chirp - Update
A QUICK, TEMPORARY way to quiet a fan belt: Just spray the inside of it, with PLAIN old water! When it dries, the noise will come back.
THEN, it's time to adjust or replace it. DON'T rub soap or any other GOOP, on it, fan belts only grip well, with a COMPLETELY DRY surface!!! When you replace a belt, save it in the trunk, with its' I.D. jacket, for future reference, or to use for an "EMERGENCY" spare. Same with hoses. Bill Squirt
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"THE ASSISTANT GURU OF STUFF" Last edited by BILL WILLIAMSON; 07-27-2018 at 09:03 AM. |
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