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05-31-2010, 07:05 PM | #1 |
Registered User
Join Date: Nov 2005
Location: sc
Posts: 1
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transmission shifts late
My transmission shifts late on every gear. it just started this some days its perfect others it revs way to high on every shift. not sure what trans I have someone put an 85 305 firebird motor into my 72 truck and I dont have a clue what it is.
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05-31-2010, 07:16 PM | #2 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: transmission shifts late
welcome to the board vheck your tranny fluid level
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06-01-2010, 05:06 PM | #3 |
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Join Date: Mar 2010
Location: Cheyenne Wy
Posts: 208
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Re: transmission shifts late
x2 on fluid level. Not a whole lot of fluid in there so a little loss can make a big difference when sloshing around.
If fluid level is good check your vacuum hoses to the trans for cracks? Depending on the type of tranny (if applicable)
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05-31-2010, 10:27 PM | #4 |
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Join Date: Jan 2005
Location: Kalamazoo, Michigan
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Re: transmission shifts late
Here is a diagram of the pans on most of the auto trannys.
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06-01-2010, 05:32 PM | #5 |
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Join Date: Apr 2005
Location: Pensacola, FL
Posts: 17,862
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Re: transmission shifts late
Modulator valve?
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06-01-2010, 06:23 PM | #6 |
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Join Date: Mar 2003
Location: San Francisco, CA USA
Posts: 2,454
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Re: transmission shifts late
Governor sticking?
Ray |
06-11-2010, 07:32 PM | #7 |
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Join Date: Nov 2009
Location: stoddard nh
Posts: 693
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Re: transmission shifts late
does it have a detent cable? i had a truck with 700-r4 it would shift horrible took me forever to figure out the detent cable was broke. i cant remember if it affected upshifts but it hated downshifts. just my .02
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