Go Back   The Ford Barn > General Discussion > Model A (1928-31)

Sponsored Links (Register now to hide all advertisements)

Reply
 
Thread Tools Display Modes
Old 10-05-2016, 05:58 PM   #1
bunnyc
Senior Member
 
bunnyc's Avatar
 
Join Date: Apr 2015
Location: KY
Posts: 296
Default chirp, chirp, chirp - Update

The last time I started my A, this is the sound coming from my engine at idle (best way to describe it). Rhythmic and intermittent. Stops, then starts again as throttle increases.

At first I thought it was coming from the water pump. Now, I don't think so. Maybe a manifold leak?

I'll let you know what I find out. Working on it tomorrow.

Last edited by bunnyc; 10-06-2016 at 03:17 PM.
bunnyc is offline   Reply With Quote
Old 10-05-2016, 06:11 PM   #2
1955cj5
Senior Member
 
1955cj5's Avatar
 
Join Date: Apr 2015
Location: Boise, Idaho
Posts: 1,434
Default Re: chirp, chirp, chirp

Possibly the fan belt.

Adjust the tension or with the engine off rub a small amount of candle wax on the belt to help diagnose. I'll probably catch heck for saying it though....
__________________
Early '29 CCPU that had a 4-speed, but not any more.......in the family since '62
1955cj5 is offline   Reply With Quote
Sponsored Links (Register now to hide all advertisements)
Old 10-05-2016, 06:19 PM   #3
C26Pinelake
BANNED
 
Join Date: May 2010
Location: Michigan / Ontario border, Sarnia, Ontario. 50 miles from Detroit and 150 from Toronto.
Posts: 5,800
Default Re: chirp, chirp, chirp

Quote:
Originally Posted by 1955cj5 View Post
Possibly the fan belt.

Adjust the tension or with the engine off rub a small amount of candle wax on the belt to help diagnose. I'll probably catch heck for saying it though....
I agree that it may be fan belt and who cares if you catch heck! Wayne
C26Pinelake is offline   Reply With Quote
Old 10-05-2016, 06:21 PM   #4
jthomas6
Senior Member
 
jthomas6's Avatar
 
Join Date: May 2013
Location: E Tn.
Posts: 160
Default Re: chirp, chirp, chirp

Possibly the generator needs a couple drops of oil??
__________________
If at first you don't succeed, skydiving isn't for you!
You don't need a parachute to skydive, you only need a parachute to skydive twice.
jthomas6 is offline   Reply With Quote
Old 10-05-2016, 06:38 PM   #5
BudP
Senior Member
 
BudP's Avatar
 
Join Date: Jun 2011
Location: Oakton, VA
Posts: 430
Default Re: chirp, chirp, chirp

I had a similar noise. It was a dry distributor shaft.
BudP is offline   Reply With Quote
Old 10-05-2016, 06:45 PM   #6
Mitch//pa
BANNED
 
Join Date: May 2010
Location: Bucks County, PA
Posts: 11,454
Default Re: chirp, chirp, chirp

Take the belt off and see if the noise goes away. This will narrow it down
Mitch//pa is offline   Reply With Quote
Old 10-05-2016, 06:49 PM   #7
tbirdtbird
BANNED
 
Join Date: May 2012
Location: inside your RAM
Posts: 3,134
Default Re: chirp, chirp, chirp

removing belt is always step 1 as Mitch points out. If you want to not do that I would not use wax, I would use a small spray bottle of water. And never use belt dressing
__________________
'31 180A
tbirdtbird is offline   Reply With Quote
Old 10-05-2016, 06:51 PM   #8
Mitch//pa
BANNED
 
Join Date: May 2010
Location: Bucks County, PA
Posts: 11,454
Default Re: chirp, chirp, chirp

I don't like putting anything on a belt as Dave mentioned. It usually makes it worse, or causes slippage especially on how loose we run them. That's not the cure
Mitch//pa is offline   Reply With Quote
Old 10-05-2016, 06:53 PM   #9
Ian in Mississauga
Senior Member
 
Join Date: May 2010
Posts: 116
Default Re: chirp, chirp, chirp

I have had that sound twice just before a head gasket failed.
Ian in Mississauga is offline   Reply With Quote
Old 10-05-2016, 06:56 PM   #10
SeaSlugs
Senior Member
 
SeaSlugs's Avatar
 
Join Date: May 2010
Location: Central, IL
Posts: 3,920
Default Re: chirp, chirp, chirp

Agreed with the above.

remove belt and see if its still there

Have a good listener try to pinpoint it

listen close - does it follow engine rpm exactly or does it just change or go away or come back etc.

theres about a million points where two pieces of metal come together on a model A so check for loose fasteners, splash pans, etc.

try it with it in neutral with the clutch out and in. my s10 chirps due to the clutch throw-out fork lightly resting on the bearing retainer. Barely touch the clutch pedal and it goes away - only chirps with the clutch out.

If you cant pin point it and its not the distributor shaft but sound slike sheetmetal start spraying suspected areas and see if it goes away.

Check the choke shaft too - i think someone not too long ago had a squeak from dry hard rubber rubbing on the shaft.
__________________
1929 Model AA - Need long splash aprons!
SeaSlugs is offline   Reply With Quote
Old 10-05-2016, 06:59 PM   #11
sommcain
Junior Member
 
Join Date: Nov 2015
Location: Adelaide Australia
Posts: 5
Default Re: chirp, chirp, chirp

My chirp was cured by greasing the clutch throw-out bearing.
Neil in Oz.
sommcain is offline   Reply With Quote
Old 10-05-2016, 07:04 PM   #12
Benson
Senior Member
 
Benson's Avatar
 
Join Date: May 2010
Location: Central Highlands, Cen~Col.
Posts: 1,896
Default Re: chirp, chirp, chirp

I have heard a similar noise, first time was more than 45 years ago ... took a lot of trial and error to find it.

Sounds like a "chirp ... chirp "OR a metallic "Ching ... Ching" comes and goes.

If it goes away while troubleshooting ... stop engine and restart ...

1. Does it make the noise more often with the car pointing UP hill?

Engine idling while troubleshooting of course.

2. If so try jacking up REAR of car ... Should have less noise or it goes away.

3. When I have found this problem it was the Bendix gear on the starter hitting the teeth on the flywheel gear.

From OLD Ford Barn

Re: chirping throw out bearing? sound like a bendix problem.


[Follow Ups] [Post Followup] [Fordbarn Model A Discussion Forum]

Posted by Benson from h-68-164-105-249.dnvtco56.dynamic.covad.net (68.164.105.249) on Monday, June 01, 2009 at 8:35AM :
In Reply to: chirping throwout bearing? posted by modeleh/bc from ? (99.199.129.156) on Monday, June 01, 2009 at 0:09AM :

Sounds to me like it might be the Starter bendix gear hitting the flywheel.

If you have another starter the easiest way is to swap them.

There is a small spring loaded plunger (on the gear near the counter weighted part of the sliding gear) which is supposed to drop into another groove when gear is totally retracted. This holds the gear away from the flywheel while engine is running.

This plunger is INSIDE the bore of the moving gear that retracts when starter stops. The plunger rubs on the high part of the spiral on the matching grooves.

This plunger and spring is perpendicular to the starter shaft and about 1/16 diameter and 5/16ths inch long.

Many times the spring is broken or the plunger is rusted and stuck.

Benson

I used to have a photo of this but it got lost somehow.

Note: New design uses the black spring (at bottom of shaft) in this Bratton photo if spring breaks it will do same thing ...

https://www.brattons.com/stock-bendi...ter-drive.html

Last edited by Benson; 10-05-2016 at 07:44 PM. Reason: Several changes made since original posting
Benson is offline   Reply With Quote
Old 10-05-2016, 07:46 PM   #13
Benson
Senior Member
 
Benson's Avatar
 
Join Date: May 2010
Location: Central Highlands, Cen~Col.
Posts: 1,896
Default Re: chirp, chirp, chirp

Note many changes/corrections have been made to my original post since it was first posted at 0604 PM!
Benson is offline   Reply With Quote
Old 10-05-2016, 08:09 PM   #14
Barber31
Senior Member
 
Barber31's Avatar
 
Join Date: Jul 2013
Location: San Antonio, Texas
Posts: 683
Default Re: chirp, chirp, chirp

A rubber hose can be used as a "stethoscope". One end to your ear and the other moved slowly about the engine bay. That can also help narrow down noises to specific areas. It should go with out saying don't get too close to anything moving like the fan blades!
Barber31 is offline   Reply With Quote
Old 10-05-2016, 08:11 PM   #15
H. L. Chauvin
Senior Member
 
Join Date: May 2010
Posts: 4,179
Default Re: chirp, chirp, chirp

If all else fails, try bird seed on both running boards ....... even though it may not work, you will at least have peace of mind that you did all you could.

But, on a serious note, do not rule out sheet metal like maybe the metal hood or front fender vibrating metal to metal & rubbing.
H. L. Chauvin is offline   Reply With Quote
Old 10-05-2016, 10:39 PM   #16
Greg Jones
Senior Member
 
Greg Jones's Avatar
 
Join Date: Jul 2010
Location: Aiken, South Carolina
Posts: 587
Default Re: chirp, chirp, chirp

I have had engine splash pans do that where the bolts were not quite tight.
Greg Jones is offline   Reply With Quote
Old 10-06-2016, 03:20 PM   #17
bunnyc
Senior Member
 
bunnyc's Avatar
 
Join Date: Apr 2015
Location: KY
Posts: 296
Default Re: chirp, chirp, chirp - Update

Neil in Oz (sommcain) nailed it with his first post to Ford Barn!

Greased the throw out bearing and the noise went away. Happy.

Thanks Neil!
bunnyc is offline   Reply With Quote
Old 10-06-2016, 04:29 PM   #18
H. L. Chauvin
Senior Member
 
Join Date: May 2010
Posts: 4,179
Default Re: chirp, chirp, chirp - Update

I was hoping for the bird seeds on the running boards .............

Thanks for your reply .... it helps everyone tremendously to find out what can cause chirping.
H. L. Chauvin is offline   Reply With Quote
Old 06-27-2018, 12:11 AM   #19
frmhrt
Member
 
Join Date: Jul 2017
Location: Sacramento, CA
Posts: 43
Default Re: chirp, chirp, chirp - Update

How does one grease the throw out bearing without removing radiator, fan, generator, clutch housing bolts, and detaching and moving motor forward from drive train?
Alan
frmhrt is offline   Reply With Quote
Old 06-27-2018, 05:15 AM   #20
Patrick L.
Senior Member
 
Patrick L.'s Avatar
 
Join Date: May 2010
Location: Upstate NY and western Florida
Posts: 5,204
Default Re: chirp, chirp, chirp - Update

Quote:
Originally Posted by frmhrt View Post
How does one grease the throw out bearing without removing radiator, fan, generator, clutch housing bolts, and detaching and moving motor forward from drive train?
Alan

The originals were greased by the fitting under the inspection. The carrier and bearing would receive grease. Some newer replacement bearings however can't be greased.
Patrick L. is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Sponsored Links (Register now to hide all advertisements)


All times are GMT -5. The time now is 07:52 AM.