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01-02-2014, 12:34 PM | #1 |
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700R4 makiing strange noise when I put it in park
The problem is intermittent, occurring once every 20 or so times I put my truck in park. It makes a sound similar to a playing card in a bicycle spokes. It lasts about a second or two and winds down. I am fully stopped when this happens. Any ideas?
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01-02-2014, 12:37 PM | #2 |
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Re: 700R4 makiing strange noise when I put it in park
Is it fast, almost a buzzing?
It could be the pressure regulator valve shuttling. Usually not a problem except for the noise. There is a fix by grinding this land off
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01-02-2014, 12:41 PM | #3 |
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Re: 700R4 makiing strange noise when I put it in park
Pretty fast, kind of like putting a screwdriver on the flywheel until it stops or winds down.
Last edited by ubtripn; 01-02-2014 at 01:07 PM. |
01-02-2014, 01:16 PM | #4 |
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Re: 700R4 makiing strange noise when I put it in park
as the doctor says when you go into his office and you tell him "my arm hurts when I lift it" Doc says "then don't lift your arm"
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01-02-2014, 01:44 PM | #5 |
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Re: 700R4 makiing strange noise when I put it in park
so..don't put it in park? =)
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01-02-2014, 01:45 PM | #6 |
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Re: 700R4 makiing strange noise when I put it in park
I am about to drop a new engine in anyway, I was wondering if the torque converter could cause this?
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01-02-2014, 02:56 PM | #7 |
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Re: 700R4 makiing strange noise when I put it in park
Parking pawl? May have gotten bent from placing in park before completely stopped?
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1970 Longhorn, Front Disc, 350/4 bolt, 882 heads, HEI, Edelbrock, 700R4, HO-52/4.11. 1996 Corvette, Collector Roadster, LT4, 396, 450RWHP, 6sp, 4.11/Dana44/posi 5 point roll bar And let us not grow weary of doing good, for in due season we will reap, if we do not give up. Gal 6:9 |
01-02-2014, 03:03 PM | #8 |
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Re: 700R4 makiing strange noise when I put it in park
Thank you! I have no idea how to check that. Any suggestions?
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01-02-2014, 03:28 PM | #9 |
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Re: 700R4 makiing strange noise when I put it in park
First I'd check to make sure the linkage is adjusted.
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1970 Longhorn, Front Disc, 350/4 bolt, 882 heads, HEI, Edelbrock, 700R4, HO-52/4.11. 1996 Corvette, Collector Roadster, LT4, 396, 450RWHP, 6sp, 4.11/Dana44/posi 5 point roll bar And let us not grow weary of doing good, for in due season we will reap, if we do not give up. Gal 6:9 |
01-02-2014, 03:28 PM | #10 |
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Re: 700R4 makiing strange noise when I put it in park
ok, will do and thanks!
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01-02-2014, 06:10 PM | #11 |
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Re: 700R4 makiing strange noise when I put it in park
X2 on parking pawl. to check to see if the linkage may be the problem [and it mostly is on this problem]take the shifter out of the trans hole and if it moves ever so slightly it is the problem. You will be able to tell it will like fall in to park once the linkage is unhooked
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01-02-2014, 06:40 PM | #12 |
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Re: 700R4 makiing strange noise when I put it in park
Sounds good, so it may not be an expensive issue then,thats good news.
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01-02-2014, 06:45 PM | #13 |
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Re: 700R4 makiing strange noise when I put it in park
If the truck is not moving the parking pawl cannot make noise. The gear is integral part of the output ring gear.
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My Classics: '72 K20 Suburban + '65 Dodge Town Wagon '72 Corvette Roadster +'67 Corvette Roadster '73 Z-28 Camaro '63 Ford SWB Uni Pickup '50 Ford Coupe |
01-02-2014, 07:02 PM | #14 |
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Re: 700R4 makiing strange noise when I put it in park
My fear was a bad torque converter, as I said I am about to install a new engine and my radiator is new so I did not want to send metal shavings through all the passages.
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