4L80e Help
4L80e Help OK I need a little help diagnosing an issue I'm having with my 4L80e trans
I recently rebuilt this 99 core with Jakes rebuild kit. The trans had been performing flawlessly for a few months up until recently.
Sometimes but not all the time when shifting into reverse or drive from park their is a 2-3 second delay engaging.
Also when the trans has had time to cool overnight and I mildly accelerate I get a quick slip into neutral then back into gear. It doesn't seem to be consistent with any gear/clutch pack.
It will only do this once then be perfect the rest of the day.
The trans is able to hold WOT shifts in every gear and shifts just as firm as it always has.
Does anyone have any ideas before I try too hook up a pressure gauge to this thing?
Would a Boost valve sticking cause this??
I recently rebuilt this 99 core with Jakes rebuild kit. The trans had been performing flawlessly for a few months up until recently.
Sometimes but not all the time when shifting into reverse or drive from park their is a 2-3 second delay engaging.
Also when the trans has had time to cool overnight and I mildly accelerate I get a quick slip into neutral then back into gear. It doesn't seem to be consistent with any gear/clutch pack.
It will only do this once then be perfect the rest of the day.
The trans is able to hold WOT shifts in every gear and shifts just as firm as it always has.
Does anyone have any ideas before I try too hook up a pressure gauge to this thing?
Would a Boost valve sticking cause this??
As soon as I can get it on the lift I will pull the pan and report back.
