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Old 11-26-2000, 03:11 PM   #1
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Join Date: Feb 2000
Location: Midlothian,VA. 23112-6108
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Car: 1982 Z-28
Engine: 5.0 w/ Holly carb
Transmission: TH-700R4

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MY TH700R4 now won't shift?

as you may recall My '86 IROC (new project car) had a bad transmission.so i took it out
found that the front pump had failed.replaced the front pump,and the cluthes with ones from a '91 60degree V6 that I had. I cleaned everything up real good.repualced the TV cable.Reintalled the trans.Then on my first test drive the trans would not shift out of first gear.played with the TV cable adjustment,even diconnected it. no luck.
here is my question;what do I check first?Maybe I have still not gotten some simple thin right?
THANX,ANDYZ28

------------------
82Z 305 w/comp 270 magnum cam,holly.TH700R4 w/B&M holeshot 2000 converter,& megashifter. 9bolt 3.27 w/1LE rear brakes 70mph@2200rpm ASE Master Tech plus L2
also recently obtained a
'69 chevelle SS396 w/Turbo 400,3.31 posi,11.0 to 1, headers,etc
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Old 11-26-2000, 03:23 PM   #2
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Could be something simple like the governer stuck or the teeth worn out, or it could be that when you dropped the input housing and reverse input housing into the trans, you forgot to make sure the 2-4 band was on the anchor or apply pin. If you redline the engine, will it eventually shift (into third maybe?).

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Old 11-26-2000, 03:39 PM   #3
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Car: 1982 Z-28
Engine: 5.0 w/ Holly carb
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No! I did not go to the redline.But when I go to the point where it shoul have shifted and let off the gas.It acts like it is in neutral(no dynamic braking).But my '82Z did the same thing after I installed the B&M shfit kit when I would let off before reaching the shift point.
If it is the anchor pin,can i reset it without pulling the trans. again?
when we first got this car,and scared the hell out of ourselves driving it home.It would not shift then either.No problem,I just unhooked the TV cable and it would shift
.Way early,but it would shift.Even with the smoked front pump.
THANX,ANDYZ28
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Old 11-26-2000, 03:47 PM   #4
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Hmm, sounds like governer problems. Take it to redline, and see if it still won't shift into any gear.

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S/D TPI retrofit including functional PassKey, 22# injectors,
JET AFPR, Ported Plenum,
TB Coolant Bypass,
SSM SFC, Boxed LCAs,
8mm Accel wires,
Flowmaster Exhaust,
16" GTA rims,
Corvette Servo,
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-->14.97 @ 94.9 MPH<--

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Old 11-26-2000, 03:57 PM   #5
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OK! Hold on I'll go out side and drive it.
I'll be right back.
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Old 11-26-2000, 04:09 PM   #6
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GMTECH,Yep! It shifted just shy of 5500 r.p.m. 1-2 and 2-3. I couldn`t get the 3-4
shift, as I was going way too fast in our
neighbourhood!(THAT WAS WITH THE TV DISCONNECTED)
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Old 11-26-2000, 04:57 PM   #7
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GMTECH,should I simply replace the governor?
my donor trans did not have one.so I reused my old one.
thanx,ANDYZ28
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Old 11-26-2000, 05:01 PM   #8
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Hmmm, well, it shouldn't be the 2-4 band since it finally did shift. How was the 2-3 shift? At what RPM did it shift. Take it out and make sure it has 3-4 shift also.

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Savannah, GA

'87 Trans Am
S/D TPI retrofit including functional PassKey, 22# injectors,
JET AFPR, Ported Plenum,
TB Coolant Bypass,
SSM SFC, Boxed LCAs,
8mm Accel wires,
Flowmaster Exhaust,
16" GTA rims,
Corvette Servo,
KYB Shocks
-->14.97 @ 94.9 MPH<--

'97 Bonneville SSE
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Old 11-26-2000, 05:54 PM   #9
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Dude this is EXACTLY what my transmission is doing! LOL YOu said removing the TV cable works ? I'm gonna go do that right now then! LOL
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Old 11-26-2000, 06:05 PM   #10
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Engine: 5.0 w/ Holly carb
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Just returned from the road test.results:
the 1-2 shift has come down by itself somehow
to 4500RPM.
the 2-3 shift is about 4100 RPM
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Old 11-26-2000, 06:07 PM   #11
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Join Date: Feb 2000
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Car: 1982 Z-28
Engine: 5.0 w/ Holly carb
Transmission: TH-700R4

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sorry i did not finish my last msg.
the 3-4 shift is very poitive at 4000RPM.
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Old 11-26-2000, 06:24 PM   #12
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Yeah, its almost safe to say that none of the "mechanical" components are toast or defective. My guess would be valvebody problems, but since the governer is easier to swap out than pulling a valvebody, I would try another governer.

------------------
If you live in Southeastern US, check us out!
South East Thirdgen


ASE Master Tech + L1
Savannah, GA

'87 Trans Am
S/D TPI retrofit including functional PassKey, 22# injectors,
JET AFPR, Ported Plenum,
TB Coolant Bypass,
SSM SFC, Boxed LCAs,
8mm Accel wires,
Flowmaster Exhaust,
16" GTA rims,
Corvette Servo,
KYB Shocks
-->14.97 @ 94.9 MPH<--

'97 Bonneville SSE
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Old 11-26-2000, 06:36 PM   #13
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Join Date: Feb 2000
Location: Midlothian,VA. 23112-6108
Posts: 1,458
Car: 1982 Z-28
Engine: 5.0 w/ Holly carb
Transmission: TH-700R4

Classifieds Rating: (0)

thanks GMTECH,I'll get another governor from my dealer tomorrow,install it tomorrow night
and then I'll let you know how I made out.
THANX,ANDYZ28

------------------
82Z 305 w/comp 270 magnum cam,holly.TH700R4 w/B&M holeshot 2000 converter,& megashifter. 9bolt 3.27 w/1LE rear brakes 70mph@2200rpm ASE Master Tech plus L2
also recently obtained a
'69 chevelle SS396 w/Turbo 400,3.31 posi,11.0 to 1, headers,etc. Latest project car,'86 IROC stock 305TPI hit on left side not too bad
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Old 11-27-2000, 08:48 PM   #14
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Join Date: Feb 2000
Location: Midlothian,VA. 23112-6108
Posts: 1,458
Car: 1982 Z-28
Engine: 5.0 w/ Holly carb
Transmission: TH-700R4

Classifieds Rating: (0)

GMTECH,I took the governor out tonight.And sure enough it was stuck at about 2/3 travel.
So I took it apart and found many tiny metal chips in the upper most groove.Oiled it up and put it back in.I'll road test it tomorrow night.
THANX,ANDYZ28

------------------
82Z 305 w/comp 270 magnum cam,holly.TH700R4 w/B&M holeshot 2000 converter,& megashifter. 9bolt 3.27 w/1LE rear brakes 70mph@2200rpm ASE Master Tech plus L2
also recently obtained a
'69 chevelle SS396 w/Turbo 400,3.31 posi,11.0 to 1, headers,etc. Latest project car,'86 IROC stock 305TPI hit on left side not too bad
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Old 11-28-2000, 10:04 PM   #15
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Join Date: Feb 2000
Location: Midlothian,VA. 23112-6108
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Car: 1982 Z-28
Engine: 5.0 w/ Holly carb
Transmission: TH-700R4

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Hey guys,I just finished the road test.And after cleaning the governor. The trans shifts just fine now. GM TECH thanx for all your help.

------------------
82Z 305 w/comp 270 magnum cam,holly.TH700R4 w/B&M holeshot 2000 converter,& megashifter. 9bolt 3.27 w/1LE rear brakes 70mph@2200rpm ASE Master Tech plus L2
also recently obtained a
'69 chevelle SS396 w/Turbo 400,3.31 posi,11.0 to 1, headers,etc. Latest project car,'86 IROC stock 305TPI hit on left side not too bad
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Old 11-28-2000, 10:44 PM   #16
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You better find out where those metal chips came from beforeit messes up your whole tranny.
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Old 11-28-2000, 10:44 PM
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2000, 270h, 305, 400, bonneville, comp, gear, governor, location, magnum, neutral, points, shift, stuck, th700r4, transmission, turbo
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