Need Help With The 700R4 in My 68 Camaro?? - Team Camaro Tech
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post #1 of 4 (permalink) Old Feb 3rd, 01, 05:29 AM Thread Starter
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I have a 68 Camaro with a 700R4 Transmission.
A while back I jack-up the car to change the oil pan gasket and the transmission hasn't worked right ever since? I backed the car out of the garage,Rev. Works fine. But,I put it in drive and it winds out really tight and
when you think it's not going to change gears it slams in to 2nd. Then it winds out real tight before it slams into 3rd. Coming out of 3rd it goes right into 4th. It has plenty of fluid in it and I changed the filter thinking being jacked up for a couple of days it could have gotten clogged up? The transmission worked fine before I decided to change the oil pan gasket.Guess I should have put up with the oil pan leak? Someone told me the 700r4 will never work right in my 68 because it is electronically told when to switch gears? Mine has no wires going to it. I am pretty dumb when it comes to Transmissions. I need some expert help, I don't have a Clue? Thanks
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post #2 of 4 (permalink) Old Feb 3rd, 01, 06:06 AM
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I'm assuming you changed the trans pan gasket. The 700's use a throttle valve cable hooked to the carb to control upshifting and firmness of the shifts. They do have the "E" models that came out in the mid-90's which are controlled electronically through the computer. If you have the t.v. cable check the adjustment; it's very critical. My 2004R adjust differently than yours. On a Vette I had you pushed the button on the cable housing right where it fits on the bracket (up by the carb) which allowed the housing to shorten completely (it's spring-loaded). Then you went inside the car and floored the gas pedal once which self-adjusted the cable. You could actually fine-tune it from there but generally that was about right. Get ahold of a service manual or talk to a trans guy to be sure. Like I said, it's a critical adjustment which if done wrong CAN burn up the trans before you get a block down the road.

Since it was working fine until you changed the pan gasket, it seems like you may have knocked something loose/dis-connected or maybe bent it when removing/installing the pan. Did you have any clips or ? in the pan when you removed it? My guess is something is bent or binding. Probably the t.v. cable or internal linkage. Does the cable move freely up at the carb?

Jody
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post #3 of 4 (permalink) Old Feb 3rd, 01, 10:00 AM
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jody
Is absolutely correct about the TV cable adjustment. You don't want to drive too long with it mis adjusted, it can ruin the tranny. There are several 700r4 pages listed HERE , including one that explains the adjustment. Read them all & you may learn a bit about your tranny.
The 700 does work fine in earlier cars, but it needs to set up correctly. There is also a link there to wire the torque converter lockup.

------------------
Rick Schaefer
72 El Camino
TPI350/700r4

68 Camaro
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post #4 of 4 (permalink) Old Feb 4th, 01, 11:45 AM Thread Starter
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Thanks Guys,
I am going to adjust the TV Cable and give it a try. This is the greatest WEB Site ever!!!! Many Thanks....
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