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Were is the modgual vaulve at on the tranny of.

Tiny
DRAGSTRIPIN HAWLEY
  • MEMBER
  • 1989 CHEVROLET SILVERADO
Were is the modgual vaulve at on the tranny of my 89 chevy 1500 can you please put a diagam that shows it on here so I can print it out
Monday, December 31st, 2012 AT 4:55 PM

7 Replies

Tiny
RACEFAN966
  • MECHANIC
  • 5,029 POSTS
You may not have one depends on what tranny you have. So if you would provide engine and tranny type ie-th350, 400 or 700r4(overdrive tranny). With that I will get the answer for you. Also what is it doing?
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Monday, December 31st, 2012 AT 4:57 PM
Tiny
DRAGSTRIPIN HAWLEY
  • MEMBER
  • 3 POSTS
383 stroker but still have the stock tranny in it was a 350 not sure what trany it has but it dose have over drive, drive, 2 and 1 in that order it will go in park and reverse but no other ones every now and thin it wil shift in to one but right back out I need a quick easy and cheap answere lol
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Monday, December 31st, 2012 AT 5:03 PM
Tiny
RACEFAN966
  • MECHANIC
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Ok so a 350 block, so on the trans is there 13 or 16 bolts that hold the tranny pan on? If 13 then does the pan look like the state of Nevada (meaning mostly square with one corner cut off at an angle)? I am not sure I understand the problem but thats ok one thing at a time.
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Monday, December 31st, 2012 AT 5:18 PM
Tiny
DRAGSTRIPIN HAWLEY
  • MEMBER
  • 3 POSTS
Yes its 13 bolt and it will go in reverse but no other gear
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Monday, December 31st, 2012 AT 5:26 PM
Tiny
RACEFAN966
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Ok with 13 bolts it is a standard 3 spd non overdrive tranny. So with that I need the shape of the pan it is either a th350 or th400.
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Monday, December 31st, 2012 AT 5:28 PM
Tiny
DRAGSTRIPIN HAWLEY
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  • 3 POSTS
Its got over drive
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Monday, December 31st, 2012 AT 5:34 PM
Tiny
RACEFAN966
  • MECHANIC
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Not with a 13 bolt pan. It would be a th350 or 400 and neither are overdrive sorry. It would have to be a 700r4 with 16 bolts to be overdrive and then it would be electric lock out on the converter and such. I am not trying to argue with you but that it what was offerd in that year with a 13 bolt pan. Here are pics of them below ok. The pics are th350 then th400 then 700r4.
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Saturday, January 5th, 2013 AT 3:43 AM

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