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08-31-2010, 04:21 PM
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#1 |
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Stock
Join Date: Aug 2010
Location: Detroit MI
Posts: 5
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1987 Toyota Supra 7M-GE engine whine
Hey everybody, I've recently done a rebuild on my 7M-GE 87 supra. Basically it's got a very loud an irritating engine whine coming from the intake side. The noise is excruciating when you let off the gas so I'm thinking it has something to do with vacuum. The car starts but the only way to keep it running is by peddling the throttle. PLEASE HELP!
 I have a video posted on YouTube which van be found here to listen and try to diagnose the noise http://www.youtube.com/watch?v=7U-Vt...e_gdata_player |
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08-31-2010, 04:46 PM
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#2 |
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Intake
Join Date: Jul 2010
Location: Mobile, AL/ Iquitos, Peru
Posts: 36
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It acts and sounds like a vacuum leak, get some WD-40, carb cleaner or brake clean, spray in the general area it is coming from, if it momentarily stops you know it is a vacuum leak...
__________________
88 N/A targa, 5 speed, tint, thumpin' tunes, APEXi & KYB's, tweaked AFM, Hayden fan... 5 Favorite yodas I've owned, I am a believer! 85 Supra 5 speed, tint, sunroof 77 Celica GT, 20R, 5 speed, tint, cam, header, tweaked Mikuni S/Ds, K&N 91 DX & 99 LE Camrys, for when I did the family thing 86 1 Ton P/U, 22RE, SR-5 speed, tint, buckets, 500w stereo, header, alloys, tweaked AFM, K&N 86 4x4, 22RE 5-speed, tint, 4" lift, cam, header, tweaked AFM, K&N, bored .040 500 character limit... 
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08-31-2010, 04:50 PM
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#3 |
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Stock
Join Date: Aug 2010
Location: Detroit MI
Posts: 5
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I was hoping it would be as simple as that, I have tried it and it didn't really do anything, but it's hard enough to keep the car running by peddling the throttle. :/
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09-01-2010, 02:10 AM
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#4 |
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Supra Forum Moderator
Join Date: Nov 2009
Location: Green-Ohio
Posts: 1,297
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oh for the love of god.. get that screaming kitten out of your engine!
wtf seriously? sounds like something from hell is living inside your car.
__________________
 92 Ma71 7mGTE Auto. SafcII Supra FAQ Supra MKIII FAQ Classified Section guidelines : |
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09-01-2010, 02:50 AM
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#5 |
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Stock
Join Date: Aug 2010
Location: Detroit MI
Posts: 5
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Yeah I know! That's why I'm asking for other opinions on diagnosing this hell kitten in my engine
PLEASEEEEE!!!!
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09-01-2010, 04:31 AM
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#6 |
 Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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It the throttle plate closing all the way when the throttle is released? Is there the appropriate amount of slack in the throttle cable?
Run an unlit propane torch or spray carb cleaner along the flange unions of all of the intake components while the car is idling. When it buckles/hiccups you've found a leak. BE CAREFUL!!!! You should also pull the idle speed control valve and make sure it's clean without obstruction. How is the car's idle?
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