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Old 01-06-2007, 10:19 AM
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TH350 -which is main line pressure port?

Which is the main line pressure port on TH350? I see 2 ports on right side - one by vacuum modulator and one towards front. I found some pictures of TH350 with features numbered which I attached. If you can see the pics - which number is correct port?
Thanks!
Ed
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Old 01-06-2007, 12:20 PM
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What do you mean pressure port?? Port one is vacuum from manifold source, I think #7 is the kickdown/passing gear cable,hooks to the Carb linkage,#8 and #9 are the trans cooler line hookups supply and return,#4 is Dipstick tube hole,#10 is for a vent line can be left as is or you can hook up a small pc of hose to route it away from mud and trash if it is going to be in a 4wd application. Nothing hooks up to any of the other things you have labeled.I hope this answers your question......Brian
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Old 01-06-2007, 12:41 PM
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Thanks for reply.
I wanted to measure transmission oil pressure to set up transmission. There are tables on correct trans oil pressure at various RPM, etc. + I'm following some advice on setting up vaccum modulator which requires measureing pressure. From reading some stuff - it appears that one of the measuring points is after governor and one is pressure right from pump. I can find anything on which is which.
Thanks
Ed
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Old 01-06-2007, 12:58 PM
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Quote:
Originally Posted by sabino56
Which is the main line pressure port on TH350? I see 2 ports on right side - one by vacuum modulator and one towards front. I found some pictures of TH350 with features numbered which I attached. If you can see the pics - which number is correct port?
Thanks!
Ed

2



I wish you luck. I have never set the tranny up as the info was posted.
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Old 01-06-2007, 01:07 PM
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Thank you
I have some questions about the transmission - bought it cheap and it's of questionable heritage. I think it's worth checking trans oil pressure. I've screwed around with vacuum modulator so much - I'd like to get it back to nominal and start again. I appreciate any adivce.
Ed
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Old 01-06-2007, 11:35 PM
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I can't say for sure I have never set up a trans like that either. I have always just used a stock non adjustable modulator,and pulled and plugged the vacuum line at the track. I know it's not the best way but it did work for me. Brian
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Old 01-07-2007, 02:35 PM
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Well, it turns out it's a real pain to get to the pressure port - I have headers which block easy access - so I just left it alone for now. I'll have to get some other fitting & hose to get to it and without burning myself when it's running.
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