1992 Chevy Suburban holds gear -transmission not electronic

1992 CHEVROLET SUBURBAN
116,000 MILES • V8 • 4WD • AUTOMATIC
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HALBERGLAW
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  • 1 POST
Cahnged fluid and filter every year since new
when cold- holds 1st gear to 3500 rpm then slams into 2nd gear
after driving 2-3 hours its smooth as silk
vaccum ok
no trouble codes
help
Nov 27, 2008 at 8:38 PM
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