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Sherlock Ohms

What Made the Mustang Squeak?

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wbswenberg
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Gold
Squeaks
wbswenberg   11/15/2013 7:11:36 PM
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My best freind as a teenage, Carl, had gone though a number of cars.  Finaly his parents helped him with a nicer car Chevy Malibu.  He was not alowed to make changes.  For the squeeking dash he wedged in match book covers.  And they were all over the dash.  He had an electrical problem and put foil gum wrapper behind the blown fuses.  One evening a 100 yds from home his head lights went blue wihite and then darkness as we rolled to a stop.  The wire to the head lights which he draped across the engine had insulation dripping from it.  

His folks helped him get a gas station.  A few years after moving to Seattle to work for the B company my folks came to vist.  They had driven from Mn to UT and pickup up some things left in the house they sold.  The broulght news that Carl had been murdered at his gas station.  The police had said probably over drugs.  It remains an unsolved murder.  Such a big gentle guy.  My eyes are wet.  Dead at 34.  

J. Williams
User Rank
Platinum
Re: The long squeak chase
J. Williams   11/1/2013 5:34:03 PM
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Did anyone check to see if the squirrels were hungry?

Larry M
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Platinum
Re: The long squeak chase
Larry M   10/30/2013 10:04:04 AM
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I put "rubber" in quotes because I didn't have those proper terms at hand. It's always been my assumption that any materials used in proximity to automotive fluids would be resistant to those fluids. I doubt that the bushings in question were natural rubber, of course.

Critic
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Platinum
Re: The long squeak chase
Critic   10/30/2013 9:51:32 AM
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Larry, natural rubber and brake fluid are not compatible.  I believe that dishonest auto service establishments would lubricate rubber bushings with brake fluid to cause them to fail prematurely.  Why do this?  So the customer will bring the vehicle back to have the bushings replaced.  The "rubber" used in brake systems is synthetic material that is compatible with brake fluid. 

Materials that are compatible with brake fluid include Butyl "rubber," Ethylene-Propylene, Styrene Butadiene, and Teflon.

Materials that are NOT compatible with brake fluid include Nitrile, Fluorocarbons, Fluorosilicones, Natural Rubber, and Neoprene.

Reference:  http://www.efunda.com/glossary/design/oring/design--oring--chemical--brake_fluid.cfm

Rob Spiegel
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Blogger
Re: The long squeak chase
Rob Spiegel   10/29/2013 3:50:43 PM
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There's also another side to this noise-as-warning concept: sometimes the noise goes away. There are times when I hear a noise and I'm reluctant to take it to the shop. I figure the shop guy will find some reason to fix something whether it's necessary or not. When the noise simply goes away, I'm always relieved I didn't take it to the shop.

Charles Murray
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Blogger
Re: The long squeak chase
Charles Murray   10/28/2013 6:37:03 PM
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I agree, Rob. The author's determination was impressive. I'm not kidding when I say that only an engineer, or at least someone who's really technically saavy, would go to such lengths. In my house, I'm accused of constantly hearing shakes and rattles in our cars that no one else cares about. But as subtle as those noises may be, they drive me crazy.

doug_linkhart
User Rank
Iron
Re: Another SQUEAL (Whistle)
doug_linkhart   10/25/2013 8:12:38 PM
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The bushings help with gasket location, and they can also locate the manifold so the port openings match up.  If the ports are not aligned, it can impact performance.  Those bushings are often used on cylinder heads (head to block) as well.

Rob Spiegel
User Rank
Blogger
Re: The long squeak chase
Rob Spiegel   10/25/2013 1:25:21 PM
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That's pretty good, networksguy. I guess that website really understood its audience.

Ann R. Thryft
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Blogger
Re: The long squeak chase
Ann R. Thryft   10/25/2013 12:44:43 PM
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I know what you mean, Rob. Usually I hear a few squeaks and then some grinding before failure. In other words, lots of warning. The first two times were on the same car, a '73 Toyota, which otherwise had a great repair record. The last time was on my '96 Nissan Sentra: that model has had the best repair record in its class for decades. That one really surprised me: because of the model's history, and because of my own experience with it and a previous Sentra (that one had no severe brake problems and lots of warning before they did go).



OLD_CURMUDGEON
User Rank
Platinum
Re: Another SQUEAL (Whistle)
OLD_CURMUDGEON   10/25/2013 11:53:54 AM
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Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaah!!!!  The GOOD 'OL days!  Remember them well!  I'd give anything (reasonable) to turn the hands of the clock back a few decades for a host of reasons!!!!

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