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#1 |
Registered User
![]() Join Date: Nov 2015
Location: Boise, Idaho
Posts: 229
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TH350 Modulator Vacuum line for 4x4 pictures
Anyone have a picture of the modulator vacuum line for a TH350 in a 4x4? I bought one from www.inlinetube.com and they say it's for my 71 GMC K15 4x4 but it doesn't look anything like what I have on it now.
Thanks for the help 18Z |
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#2 |
Registered User
![]() Join Date: Nov 2015
Location: Boise, Idaho
Posts: 229
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Re: TH350 Modulator Vacuum line for 4x4 pictures
Is this a correct TH350 Transmission modulator vacuum line for a 4x4?
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#3 |
Senior Member
![]() Join Date: Mar 2003
Location: Colfax-California
Posts: 8,504
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Re: TH350 Modulator Vacuum line for 4x4 pictures
doesn't look correct to me
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#4 |
Registered User
Join Date: Apr 2011
Location: Klein Texas
Posts: 3,852
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Re: TH350 Modulator Vacuum line for 4x4 pictures
I think it should have 180 degree turns at both ends. I have one at work
__________________
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 |
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#5 |
Registered User
![]() Join Date: Nov 2015
Location: Boise, Idaho
Posts: 229
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Re: TH350 Modulator Vacuum line for 4x4 pictures
Anybody have a picture of how the right one for 4x4's looks like?
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#6 |
Carpe manana
![]() ![]() Join Date: Dec 2010
Location: Eau Claire, WI
Posts: 12,357
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Re: TH350 Modulator Vacuum line for 4x4 pictures
Here one I have loose. Will try to compare w one on a k5 this weekend to confirm it matches. Did 4wds use a different line for sure? I can't recall.
__________________
1972 K5 CST Highlander Blazer: http://67-72chevytrucks.com/vboard/s...d.php?t=708547 1972 K20 Cheyenne Super: http://67-72chevytrucks.com/vboard/s...d.php?t=528308 ![]() |
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#7 |
Senior Member
![]() Join Date: Mar 2003
Location: Colfax-California
Posts: 8,504
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Re: TH350 Modulator Vacuum line for 4x4 pictures
It should be the same line 2wd and 4wd
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#8 |
Registered User
![]() Join Date: Nov 2015
Location: Boise, Idaho
Posts: 229
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Re: TH350 Modulator Vacuum line for 4x4 pictures
When I looked around for one, the sites always had 2wd on the listing or both 2wd and 4wd to order, www.inlinrtube.com has both 2wd and 4wd so I ordered the 4wd and it doesn't look like the one I have on my 4wd truck but doesn't look like it would work right either. The one I have on there now gets in the way of my transfer case shifter which is why I thught the PO might of put the wrong one on.
18Z |
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#9 |
Carpe manana
![]() ![]() Join Date: Dec 2010
Location: Eau Claire, WI
Posts: 12,357
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Re: TH350 Modulator Vacuum line for 4x4 pictures
Others have had fitment issues w inline tube products so it wouldn't surprise me if it wasn't 100% correct. Does the 2wd part # differ?
__________________
1972 K5 CST Highlander Blazer: http://67-72chevytrucks.com/vboard/s...d.php?t=708547 1972 K20 Cheyenne Super: http://67-72chevytrucks.com/vboard/s...d.php?t=528308 ![]() |
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#10 |
Registered User
![]() Join Date: Nov 2015
Location: Boise, Idaho
Posts: 229
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Re: TH350 Modulator Vacuum line for 4x4 pictures
Yes the part#'s are different.
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#11 |
Registered User
![]() Join Date: Nov 2015
Location: Boise, Idaho
Posts: 229
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Re: TH350 Modulator Vacuum line for 4x4 pictures
Surely someone on here has a picture of a 4x4 TH350 transmission modulator vacuum line!
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#12 |
Registered User
Join Date: Jan 2015
Location: Los Angeles California
Posts: 927
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Re: TH350 Modulator Vacuum line for 4x4 pictures
Here is a pic of the one I pulled out of my 72 K20, might have a few extra bends in it as I just yanked it out and wasnt all gentle like.
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#13 |
Registered User
![]() Join Date: Nov 2015
Location: Boise, Idaho
Posts: 229
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Re: TH350 Modulator Vacuum line for 4x4 pictures
Thanks RedRoad, that looks more like it should look to me, I will send this photo to inlinetube and see what they say.
Thanks again 18Z |
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#14 |
Registered User
Join Date: Apr 2011
Location: Klein Texas
Posts: 3,852
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Re: TH350 Modulator Vacuum line for 4x4 pictures
Here is mine out of my '72. Looks a little different that the others in the thread but I'm pretty sure it's original to the truck.
edit to add there use to be a clip holding the modulator line to the dipstick but it's likely under the table.
__________________
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 |
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#15 |
Registered User
![]() Join Date: Nov 2015
Location: Boise, Idaho
Posts: 229
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Re: TH350 Modulator Vacuum line for 4x4 pictures
Thanks Everyone, I hooked up the one I got from inline tube and it works but I think I will make my own to make it a bit more streamline.
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