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88 chevy thm700-r4 wont shift into 2nd gear

I drove my 88 k2500 to my hunting cabin last week. It drove great all the way there, when we left a half hour later to make the hour trip home the thm700-r4 transmission would not shift out of 1st gear. I checked the fluid level, its good. I checked the shift lever at the transmission and everything was tight and moving freely. I checked the TV cable, it was a little out of adjustment but not much, I readjusted anyway.

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  • 103 Answers

Check the modulator and the vacuum line to it.

Posted on Jul 17, 2017

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: 1992 tracker automatic transmission shifting

I have the same problem also. Hope someone has the answer.

Posted on Oct 16, 2008

SOURCE: Automatic Transmission shifts late and rough after warm

If it has over 60000 miles it may need a transmission service, which includes a filter and fluid change, fluid may look fine but if filter is clogged and not picking up fluid fast enough when u give it gas the pump spins faster and forces fluid thru to shift, more fluid is needed to shift into higher gear.than to drive

Posted on Jan 06, 2009

  • 1 Answer

SOURCE: 1998 chevy k1500 4x4 4

first of all your truck is already in first gear when your going down the road....lol

Posted on Mar 06, 2009

csmock132
  • 4669 Answers

SOURCE: Transmission won't shift!

Does it just not shift up to 3rd or when it shifts to 3rd it is just like neutral?

Posted on Mar 06, 2009

maygemini
  • 147 Answers

SOURCE: Rough shifting automatic transmission on Honda Accord from 1st to 2nd gear

it has a problem with the second gear drum it cracks and does not fully engauge the n shifts to 3rd ..many honda owners also learn the 8 bucks a quart is the only fluid to pour in a honda..but remember 3 qaurts per drain and fill the tranny holds 7q ....it will take a case to do a drain flush...a high pressure flush will ruin a automatic tranny with alot of miles or metal deposits floating around inside..DRAIN AND FILL 3 QUARTS AT A TIME NO GASKET NEEDED ITS BUILT AND DESIGNED LIKE A MANUAL TRANNY

Posted on May 07, 2009

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