700R4 Tranny Issue - The 1947 - Present Chevrolet & GMC Truck Message Board Network

86 Silver · 02-28-2013, 01:23 AM

I've had it into a tranny shop and they adjusted TV cable & changed oil. Also an accumulator valve was plugged so they fixed that. No change in issue. No shift kit installed.

My tranny issues?

1. Tranny constantly downshifts for any incline no matter how severe to maintain speed.

2. Tranny slams from 1st to 2nd gear. Letting off of throttle eases slam, but steady acceleration always causes loud "KACHUNG" and you can feel it hit 2nd.

Ideas?
Posted via Mobile Device

02-28-2013, 01:23 AM	#1
86 Silver Registered User Join Date: Jun 2011 Location: Minot, ND Posts: 36	700R4 Tranny Issue I've had it into a tranny shop and they adjusted TV cable & changed oil. Also an accumulator valve was plugged so they fixed that. No change in issue. No shift kit installed. My tranny issues? 1. Tranny constantly downshifts for any incline no matter how severe to maintain speed. 2. Tranny slams from 1st to 2nd gear. Letting off of throttle eases slam, but steady acceleration always causes loud "KACHUNG" and you can feel it hit 2nd. Ideas? Posted via Mobile Device



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