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Thread Tools | Display Modes |
03-28-2003, 01:09 PM
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#1 |
Join Date: Jan 2003
Location: Modesto, CA
Posts: 1,321
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What is this solenoid on my TH350?
It's a little like solenoid looking thingy. It's on the passenger side, rear of the transmission. It faces the rear and it has a vacuum line going from it, up to the back of the intake manifold...last night when I was pulling my headers off, I noticed that the vacuum line was not connected! Maybe this is why my truck was idling so rough, and also wouldn't shift...what is that thing?
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03-28-2003, 01:12 PM
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#2 |
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A work in progress
Join Date: Mar 2003
Location: Marion, NC
Posts: 104
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Vacuum modulator
__________________
 Marc Cook 1986 Chevy Silverado C-10 LWB Gunmetal Grey Metallic 5.0L HO, 700-R4, '73 12-bolt rear Long tube headers, 2.5" dual exhaust dumped before the axle. 1988 GMC Sierra SLE 4WD 5.7L, 700-R4, stock everything 6000LB winch |
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03-28-2003, 01:19 PM
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#3 | |
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Join Date: Jan 2003
Location: Modesto, CA
Posts: 1,321
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03-28-2003, 01:22 PM
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#4 | |
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Registered User
Join Date: Jan 2002
Location: Houston, TX
Posts: 2,144
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Quote:
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'51 F100, backhalf with a narrowed 9 and coil overs, 18.5" mickeys, monte front clip, +400" sbc in the works '05 1500 Crew Cab RIP '84 swb 5/7 drop, solid cammed 408 w/ fully ported dart heads, th350 w/ 10 inch hughes, 12 bolt w/ 3.73 richmonds and a locker '80 swb 4x4 in progress: 7" lift, 350 th350/np205, d44 and 1.5" ORD tie rod, 14BFF w/discs , armored diff covers, 40" MTR's |
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03-28-2003, 01:24 PM
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#5 |
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A work in progress
Join Date: Mar 2003
Location: Marion, NC
Posts: 104
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All I know about it is that it moves a valve in relation to manifold vacuum. I think it might control the throttle valve. It could cause the truck to idle rough if there is a vacuum leak. Don't know about your shifting problem though.
__________________
Marc Cook 1986 Chevy Silverado C-10 LWB Gunmetal Grey Metallic 5.0L HO, 700-R4, '73 12-bolt rear Long tube headers, 2.5" dual exhaust dumped before the axle. 1988 GMC Sierra SLE 4WD 5.7L, 700-R4, stock everything 6000LB winch |
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03-28-2003, 01:27 PM
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#6 | |
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Join Date: Jan 2003
Location: Modesto, CA
Posts: 1,321
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03-28-2003, 02:28 PM
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#7 |
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Registered User
Join Date: Jun 2002
Location: DFW, TX
Posts: 1,680
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Free headers!? How do you go about getting some of those.
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Scott Shelbourne |
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03-28-2003, 03:06 PM
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#8 | |
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Join Date: Jan 2003
Location: Modesto, CA
Posts: 1,321
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