Clunking Into Drive........... 4L65E
#1
Clunking Into Drive........... 4L65E
i have a performabuilt 4L65E level 3 trans with yanks py3400 converter all with 580 miles on it, i just got a speed density tune last week and noticed the shifts were a little stiffer and it clunks into drive from neutral or park now, what should i do or check???? any help is appreciated!!
#2
LS1Tech Sponsor
iTrader: (25)
Well if it happened after the density tune bear in mind several things.
With that set up air flow is calculated not measured the trans line presure uses the air flow to calculate load and affects line presure. So its likley you actual line presure at idle is higher causing the clunk feel
With that set up air flow is calculated not measured the trans line presure uses the air flow to calculate load and affects line presure. So its likley you actual line presure at idle is higher causing the clunk feel
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