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Old 10-22-2007, 06:39 AM
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TH-200 wont go into reverse

I have a 85 Buick Regal with a TH-200 Transmission. When I bought the car 20,000 miles ago when you would put it into reverse it would have a 1-2sec delay and then engage reverse very solidly. A week ago that began to take longer5-10-15 seconds but would always engage reverse solidly just like you shifted it just had a dealy. a few day ago it took close to a min and since then it wont go into reverse, doesnt even load the motor just idles like its in park. All 3 of my forward gears work great, very firm 1-2 and 2-3 shifts and ZERO slipping.

Any idea what could be happening? I always though 1st and rev shared a gear so it doesnt seem likes it the clutches?

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Old 10-22-2007, 07:17 AM
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200r4 had 4 foreward gears maybe it never was working right
Shane
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Old 10-22-2007, 08:15 AM
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Quote:
Originally Posted by Chevrolet4x4s
200r4 had 4 foreward gears maybe it never was working right
Shane
Its a Turbo Hydramatic 200 not a 200r4
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Old 10-22-2007, 08:49 PM
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Quote:
Originally Posted by ChevyIIMan
I always though 1st and rev shared a gear so it doesnt seem likes it the clutches?

Are you a transmission repair person? I would guess not since that information is incorrect.


You possibly heard the term; " low - reverse clutches" ? the term applies to the clutch pack in the back of the trans.. they apply in reverse and MANUAL low gear when the shifter is in "1"...

the reverse frictions seem to be a failure point of the t-200 trans.

in reverse the high gear (direct) clutch is applied , also the low/reverse clutch.

So ... does the three (3) forward gears work properly? " 2 " distinct shifts from the trans?

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Old 10-22-2007, 09:20 PM
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Yes when I put it in "D" and accelerate I feel a firm 1-2 and 2-3. 2 very distinct shift points.
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