12-06-2003, 07:29 PM | #1 |
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Join Date: Oct 2003
Location: CT
Posts: 315
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TH400 Not shifting
The 400 in my dads plow truck (84K30 6.2L Diesel NP208) shifts into second hard, and wont shift into third. Its not slipping at all. I was thinking it the Vac. modulator, but where under the hood does it hook up? Is there a pump or something that makes vacuum?
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Anthony 07 Tahoe LT 70 Chevelle 450HP 383-TH400 77 GMC Royal Sierra~Resto in progress~ |
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